{"as_of":"2026-08-15T09:56:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:461e1cc7dce21d611bea756cc1a9fe4e6e330d648dfcda95fce93272bc6e415f","coverage":[{"denominator":23,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":23,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T14:00:18.810558Z","state":"measured"},{"denominator":23,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":23,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-15T06:32:42.880941+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/1908.04232/citation-record","integrity":"/paper/1908.04232/integrity","json":"/paper/1908.04232/citation-record.json","paper":"/paper/1908.04232"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.158990Z","title":"Arora and B","venue":null,"work_id":"5b81f09f-bd0b-498b-a321-660514eb39d3","year":2009},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":1,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.728442Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:4cb79ee8cb06bd69acd36f7354b6565e509ad94ffb2b2f3e1ebb2661ab60fac8","observation_id":"f89ed55f-58b7-47c9-ad99-751a8947a289","resolution":{"observed_at":"2026-08-14T14:00:19.163391Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1511.01937","last_updated":"2019-07-09T17:53:01Z","snapshot_observed_at":"2026-08-14T22:24:36.185307Z","submitted_at":"2015-11-05T22:31:22Z","title":"Separations in query complexity using cheat sheets","version":2},"cited_work":{"arxiv_id":"1511.01937","doi":null,"metadata_source":"pith","pith_arxiv_id":"1511.01937","snapshot_observed_at":"2026-08-14T14:00:18.938454Z","title":"Separations in query complexity using cheat sheets","venue":"quant-ph","work_id":"25c31336-b40e-48cd-9945-208185f772ff","year":2015},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":2,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.732514Z"},"links":{"cited_paper":"/paper/1511.01937","citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:e4970912796e6d36b5b8ceef8c427de6028676c76c66f68daf1a9f031fb6c706","observation_id":"03075f35-3f68-4919-9a00-6790929c96a8","resolution":{"observed_at":"2026-08-14T14:00:18.943438Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.147208Z","title":null,"venue":null,"work_id":"fe9f4c52-fb9e-43ec-93b8-146c763d59ea","year":2013},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":3,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.736615Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:bec49782c6fe3d2056a166b82ec1bec6fd46fef23231e07e5c775a32f4128fd5","observation_id":"684ebf92-7591-49f6-bd30-cd6124f76655","resolution":{"observed_at":"2026-08-14T14:00:19.150968Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.134607Z","title":"Babai, A","venue":null,"work_id":"705b6225-b47a-4128-99a5-529e73a4e137","year":1999},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":4,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.740505Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:e658fbd68427cec9b015f91e5a58420f1967059f7fecb3119cfb59513c296337","observation_id":"22f62852-1399-486b-a679-890349cdc777","resolution":{"observed_at":"2026-08-14T14:00:19.138979Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"quant-ph/0005055","last_updated":"2000-05-15T18:19:59Z","snapshot_observed_at":"2026-07-07T07:03:25.387553Z","submitted_at":"2000-05-15T18:19:59Z","title":"Quantum Amplitude Amplification and Estimation","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"quant-ph/0005055","snapshot_observed_at":"2026-08-14T14:00:18.744210Z","title":"Brassard, P","venue":null,"work_id":null,"year":2002},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":5,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.744210Z"},"links":{"cited_paper":"/paper/quant-ph/0005055","citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:b195f541cc4ac01c1006fe38534eb9edaa74235b353bff3f6b0bd4f2b04d0e65","observation_id":"4f657354-4bbc-49dc-b4f3-0f283e218a92","resolution":{"observed_at":"2026-08-14T14:00:18.744210Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1703.05784","last_updated":"2017-03-16T18:18:51Z","snapshot_observed_at":"2026-08-14T21:11:27.918045Z","submitted_at":"2017-03-16T18:18:51Z","title":"A Nearly Optimal Lower Bound on the Approximate Degree of AC$^0$","version":1},"cited_work":{"arxiv_id":"1703.05784","doi":null,"metadata_source":"pith","pith_arxiv_id":"1703.05784","snapshot_observed_at":"2026-08-14T14:00:18.906100Z","title":"A Nearly Optimal Lower Bound on the Approximate Degree of AC$^0$","venue":"cs.CC","work_id":"fc3b6865-c6ba-4fc4-a0e6-f1bb00b5c94a","year":2017},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":6,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.748276Z"},"links":{"cited_paper":"/paper/1703.05784","citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:44d4a664457ce870ebe67d0ddbe71c2a9ec1cf5e27116c6dcebb5ad1c0c732d0","observation_id":"46e0dd98-0ca0-445b-a8f6-d85f837dfe00","resolution":{"observed_at":"2026-08-14T14:00:18.911198Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1604.01384","last_updated":"2016-11-21T18:41:33Z","snapshot_observed_at":"2026-08-14T22:02:57.752633Z","submitted_at":"2016-04-05T19:48:48Z","title":"A Complete Characterization of Unitary Quantum Space","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1604.01384","snapshot_observed_at":"2026-08-14T14:00:18.752689Z","title":"Fefferman and C","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":7,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.752689Z"},"links":{"cited_paper":"/paper/1604.01384","citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:d7c48e142773f496d80a853bb9ae80ceb54a64535e6d74b0c7f5c5324c9ac5a7","observation_id":"b396b1b8-f614-4721-88aa-4922cf8906c6","resolution":{"observed_at":"2026-08-14T14:00:18.752689Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.122754Z","title":null,"venue":null,"work_id":"3c81f6ed-7397-4f86-a5d2-418c075795c0","year":2001},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":8,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.756686Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:24520797caf2b38509d60c202ac1ff65d0dbf03ee709698c757d9fe81e70022b","observation_id":"c3d86ea4-6ae3-420e-a1af-f62cdbd1d463","resolution":{"observed_at":"2026-08-14T14:00:19.126639Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1507.00432","last_updated":"2015-07-02T05:45:53Z","snapshot_observed_at":"2026-08-14T22:42:04.572666Z","submitted_at":"2015-07-02T05:45:53Z","title":"Approximate Span Programs","version":1},"cited_work":{"arxiv_id":"1507.00432","doi":null,"metadata_source":"pith","pith_arxiv_id":"1507.00432","snapshot_observed_at":"2026-08-14T14:00:18.875753Z","title":"Approximate Span Programs","venue":"quant-ph","work_id":"d39cd157-165a-4fbf-b79d-da3e995ec364","year":2015},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":9,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.760529Z"},"links":{"cited_paper":"/paper/1507.00432","citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:336fa59d8735fd958b736e423c0a1bdba536d0d943ca965d6b640ebdf89c381f","observation_id":"5c3ecec0-97b2-40d9-8707-44544b1cba74","resolution":{"observed_at":"2026-08-14T14:00:18.880036Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.110658Z","title":null,"venue":null,"work_id":"989b76ca-c364-4ca7-952c-472c2795710e","year":2014},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":10,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.764652Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:5ee6a0c7080b4606102f967c05f9c28658ed7b7fe6036cd830f3def102b74e1f","observation_id":"96c56edd-8428-48f6-be28-2652afd25829","resolution":{"observed_at":"2026-08-14T14:00:19.114420Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.097678Z","title":"Jozsa, B","venue":null,"work_id":"fed09fd6-839b-4d78-b6da-4e76384c2273","year":2009},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":11,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.768165Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:31a10b1eaf1ee883a571336792f1152ca383150d15ba770ab2a2fa8a12729b69","observation_id":"f708775c-2dfe-4620-a367-53fd0717998e","resolution":{"observed_at":"2026-08-14T14:00:19.101473Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"quant-ph/9511026","last_updated":"1995-11-20T20:39:33Z","snapshot_observed_at":"2026-07-07T07:25:58.693900Z","submitted_at":"1995-11-20T20:39:33Z","title":"Quantum measurements and the Abelian Stabilizer Problem","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"quant-ph/9511026","snapshot_observed_at":"2026-08-14T14:00:18.771813Z","title":"Quantum measurements and the A belian stabilizer problem, 1995","venue":null,"work_id":null,"year":1995},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":12,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.771813Z"},"links":{"cited_paper":"/paper/quant-ph/9511026","citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:e622d4dc7fdb7b209b6827f81b6a5240e332965fd2a53d5ac426cfad738ad833","observation_id":"37554a9b-e7da-417d-bedd-d496fa89fcea","resolution":{"observed_at":"2026-08-14T14:00:18.771813Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.084730Z","title":"Karchmer and A","venue":null,"work_id":"c3f8247f-40c0-42d9-9ee3-467b92467f4f","year":1993},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":13,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.775555Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:f3af2b0b814e39b555539a0ecc78f49cdaac195615497f610c47790cf5acb1d0","observation_id":"4d18258f-28d8-4b66-ab5f-241132b70752","resolution":{"observed_at":"2026-08-14T14:00:19.088680Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.072686Z","title":null,"venue":null,"work_id":"b07b26e2-1379-4f95-956e-298a99428483","year":2011},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":14,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.779063Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:c8e7ac256468c782fc93315905e23d154cb637d26b10410f4a4973dac06750d5","observation_id":"272d86ec-bbe1-43d3-b9cb-742f86527d16","resolution":{"observed_at":"2026-08-14T14:00:19.076589Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.059182Z","title":null,"venue":null,"work_id":"33568bb7-b8af-434c-b0c3-1bf725052706","year":2009},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":15,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.782666Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:49158c30bcd4b852ecd3228fc36a780dfabebab7e33b781d4fb076f7d141c204","observation_id":"310b4440-521d-41b1-ba1d-75b33a63c9d5","resolution":{"observed_at":"2026-08-14T14:00:19.063339Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.045331Z","title":"Pitassi and R","venue":null,"work_id":"fdcd4e66-dfa1-4a40-88f9-8c1952e6981a","year":2017},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":16,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.786123Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:a075f54852a4637515b50f48fcc25a0c341d7e82adcd23788824b3f07093a141","observation_id":"3d430b68-7cb6-414b-9b97-b09003ad88cf","resolution":{"observed_at":"2026-08-14T14:00:19.049670Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.030729Z","title":null,"venue":null,"work_id":"f2affe0f-3460-4324-82c1-00860435800e","year":1990},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":17,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.789413Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:4176f245659919403dd15d2c8903dd4556a2ec5a4ea2921795f03e66bcb24ac0","observation_id":"55c4a7af-77b0-43c7-8d08-5080d81b0ae9","resolution":{"observed_at":"2026-08-14T14:00:19.035171Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.015995Z","title":null,"venue":null,"work_id":"c49f5a4f-d1f9-4c70-a017-3f6c10039ab9","year":1992},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":18,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.792999Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:92ca038697cd04824831417fdc618a954073e5f842799491a7b77d86337256ab","observation_id":"81c88be0-6f1c-4cde-a310-6e7a383ce69a","resolution":{"observed_at":"2026-08-14T14:00:19.020425Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"0904.2759","last_updated":"2009-04-17T18:41:43Z","snapshot_observed_at":"2026-08-15T05:50:19.019592Z","submitted_at":"2009-04-17T18:41:43Z","title":"Span programs and quantum query complexity: The general adversary bound is nearly tight for every boolean function","version":1},"cited_work":{"arxiv_id":"0904.2759","doi":null,"metadata_source":"pith","pith_arxiv_id":"0904.2759","snapshot_observed_at":"2026-08-14T14:00:18.842103Z","title":"Span programs and quantum query complexity: The general adversary bound is nearly tight for every boolean function","venue":"quant-ph","work_id":"2f35982c-0240-41d1-9794-8b3716a64866","year":2009},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":19,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.796484Z"},"links":{"cited_paper":"/paper/0904.2759","citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:6649b77a99376ae320f0ded35c9978f3bcde134be10b007f0c29166ca71e319f","observation_id":"ba5a2c06-3bac-490e-b28d-feb977350a94","resolution":{"observed_at":"2026-08-14T14:00:18.848761Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:19.002401Z","title":"Robere , T","venue":null,"work_id":"40c67026-710f-44b8-83d3-c48c8f7d10f4","year":2016},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":20,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.800270Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:0a296bb06f190491e85e15d245df773a23c96fd5e84aacebb9500854e1109bdb","observation_id":"512bb969-4691-4a0b-931e-4b7a1f267fc1","resolution":{"observed_at":"2026-08-14T14:00:19.007184Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:18.987056Z","title":"Span-program-based quantum algorithm for evaluating formulas","venue":null,"work_id":"0617e289-4d8c-41ba-83b4-857bbd48906a","year":2012},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":21,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.803543Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:9de21f35db9162fe9421b1500993956573e57112dce84a4d77e205d13b0c3f28","observation_id":"d1a90c27-e353-4bd8-9a25-dfab4b22de5c","resolution":{"observed_at":"2026-08-14T14:00:18.991602Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:18.970005Z","title":"Sherstov","venue":null,"work_id":"42680e1a-0c8c-4404-a9fa-198f3229498a","year":1969},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":22,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.806802Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:83ac851db0f5eea36076a631c4e8e9f58dfca3d1f62a85d2b3e3dc62083e4eb4","observation_id":"184e1e61-930c-4925-b8a2-e4d9322124d1","resolution":{"observed_at":"2026-08-14T14:00:18.975473Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:00:18.953095Z","title":null,"venue":null,"work_id":"aaa42a3c-4f1a-4d3f-90fe-b4e005004ddb","year":1999},"citing_paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity","version":2},"reference_index":23,"source":"arxiv_source","source_observed_at":"2026-08-14T14:00:18.810558Z"},"links":{"citing_paper":"/paper/1908.04232"},"observation_digest":"sha256:ed0a05236373cf2b21e95d379d6d45f6ede408a6c9397b96cc41c719f30cb83f","observation_id":"c29346fa-0ad3-44bb-96b1-50add56041a5","resolution":{"observed_at":"2026-08-14T14:00:18.958192Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"1908.04232","last_updated":"2019-08-29T11:23:23Z","latest_version":2,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-15T08:20:41.431528Z","submitted_at":"2019-08-12T16:32:33Z","title":"Span Programs and Quantum Space Complexity"},"reference_resolution":{"displayed":23,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":11,"verified_exact":4,"verified_fuzzy":8},"total_outbound_references":23},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"thesis":"As of 15 August 2026, this Paper Citation Record lists 23 of 23 outbound references and 0 inbound Pith citation observations for arXiv:1908.04232."}