{"as_of":"2026-08-12T16:15:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:7fc88dc535844f77de885d9318b43821da3c26dd60570089ce22196120905be3","coverage":[{"denominator":0,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":6,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":6,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-12T06:34:41.77262+00:00","state":"measured"},{"denominator":6,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":6,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-12T13:09:57.840376Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"arxiv_reference","source_observed_at":"2026-05-22T05:14:37.961958Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2101.08796","last_updated":"2023-06-19T13:02:02Z","snapshot_observed_at":"2026-08-12T05:56:08.884073Z","submitted_at":"2021-01-21T19:00:06Z","title":"Quantum circuits with classical versus quantum control of causal order","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2101.08796","snapshot_observed_at":"2026-08-12T13:09:57.840376Z","title":"Wechs, H","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2411.16504","last_updated":"2024-11-25T15:42:07Z","snapshot_observed_at":"2026-08-12T12:59:47.500502Z","submitted_at":"2024-11-25T15:42:07Z","title":"Subsystem decompositions of quantum evolutions and transformations between causal perspectives","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-12T13:09:57.840376Z"},"links":{"cited_paper":"/paper/2101.08796","citing_paper":"/paper/2411.16504"},"observation_digest":"sha256:f1e09f8d5696838d9033cd595ca1e67f65802e800aadedfc8b9256170997a659","observation_id":"0c44bb8e-7aef-41f2-9be1-cf2c7ea68037","resolution":{"observed_at":"2026-08-12T13:09:57.840376Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2101.08796","last_updated":"2023-06-19T13:02:02Z","snapshot_observed_at":"2026-08-12T05:56:08.884073Z","submitted_at":"2021-01-21T19:00:06Z","title":"Quantum circuits with classical versus quantum control of causal order","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2101.08796","snapshot_observed_at":"2026-08-07T10:30:39.342012Z","title":"back in time","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2506.05187","last_updated":"2025-08-20T12:45:08Z","snapshot_observed_at":"2026-08-12T00:30:38.833405Z","submitted_at":"2025-06-05T16:00:36Z","title":"Classical and Quantum Query Complexity of Boolean Functions under Indefinite Causal Order","version":2},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-08-07T10:30:39.342012Z"},"links":{"cited_paper":"/paper/2101.08796","citing_paper":"/paper/2506.05187"},"observation_digest":"sha256:27e473463523d9a141546a0846b7d4b9d2af5dc231ddbb11b72871b9934b16fe","observation_id":"03865126-b0ee-426a-90a4-08950f67fd7a","resolution":{"observed_at":"2026-08-07T10:30:39.342012Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2101.08796","last_updated":"2023-06-19T13:02:02Z","snapshot_observed_at":"2026-08-12T05:56:08.884073Z","submitted_at":"2021-01-21T19:00:06Z","title":"Quantum circuits with classical versus quantum control of causal order","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2101.08796","snapshot_observed_at":"2026-08-07T05:03:23.894750Z","title":"Wechs, H","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2506.09436","last_updated":"2025-11-03T07:34:53Z","snapshot_observed_at":"2026-08-09T23:02:37.121347Z","submitted_at":"2025-06-11T06:37:14Z","title":"Optimal quantum metrology under energy constraints","version":3},"reference_index":41,"source":"pdf_text","source_observed_at":"2026-08-07T05:03:23.894750Z"},"links":{"cited_paper":"/paper/2101.08796","citing_paper":"/paper/2506.09436"},"observation_digest":"sha256:f8252c558d84336976f0b98ea17748befbc174202a8e23d1788afa712dff20a4","observation_id":"8acc6098-3ba0-4b51-8a13-5455d171d377","resolution":{"observed_at":"2026-08-07T05:03:23.894750Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2101.08796","last_updated":"2023-06-19T13:02:02Z","snapshot_observed_at":"2026-08-12T05:56:08.884073Z","submitted_at":"2021-01-21T19:00:06Z","title":"Quantum circuits with classical versus quantum control of causal order","version":3},"cited_work":{"arxiv_id":"2101.08796","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2101.08796","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Wechs, H","venue":null,"work_id":"34c8874f-6eb1-4e6b-a910-074658192104","year":2021},"citing_paper":{"arxiv_id":"2507.10784","last_updated":"2026-04-17T07:38:57Z","snapshot_observed_at":"2026-08-01T16:33:33.147819Z","submitted_at":"2025-07-14T20:18:12Z","title":"Quantum Advantage in Storage and Retrieval of Isometry Channels","version":4},"reference_index":90,"source":"pdf_text","source_observed_at":"2026-05-19T04:21:16.169640Z"},"links":{"cited_paper":"/paper/2101.08796","citing_paper":"/paper/2507.10784"},"observation_digest":"sha256:09ea704099725e5be833e56aa1058622a84b70a48cb1bc34ac52e36eb8ea27cb","observation_id":"57dc3b07-d4fa-4fb2-90a1-c70a5628ee2d","resolution":{"observed_at":"2026-05-19T04:22:03.528910Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2101.08796","last_updated":"2023-06-19T13:02:02Z","snapshot_observed_at":"2026-08-12T05:56:08.884073Z","submitted_at":"2021-01-21T19:00:06Z","title":"Quantum circuits with classical versus quantum control of causal order","version":3},"cited_work":{"arxiv_id":"2101.08796","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2101.08796","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Wechs, H","venue":null,"work_id":"34c8874f-6eb1-4e6b-a910-074658192104","year":2021},"citing_paper":{"arxiv_id":"2604.09192","last_updated":"2026-04-10T10:23:46Z","snapshot_observed_at":"2026-08-09T17:43:55.360113Z","submitted_at":"2026-04-10T10:23:46Z","title":"Order structure and signalling in higher order quantum maps","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-05-10T17:19:05.351387Z"},"links":{"cited_paper":"/paper/2101.08796","citing_paper":"/paper/2604.09192"},"observation_digest":"sha256:3068abd19141460fec5a113fd20fcfad77f1437349c856dd8666e4923a18d993","observation_id":"63aa59c5-1606-4861-b345-daf3fe6bf889","resolution":{"observed_at":"2026-05-11T07:06:00.488734Z","resolver_source":"arxiv_id","status":"metadata_mismatch"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2101.08796","last_updated":"2023-06-19T13:02:02Z","snapshot_observed_at":"2026-08-12T05:56:08.884073Z","submitted_at":"2021-01-21T19:00:06Z","title":"Quantum circuits with classical versus quantum control of causal order","version":3},"cited_work":{"arxiv_id":"2101.08796","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2101.08796","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Wechs, H","venue":null,"work_id":"34c8874f-6eb1-4e6b-a910-074658192104","year":2021},"citing_paper":{"arxiv_id":"2605.22807","last_updated":"2026-05-21T17:56:44Z","snapshot_observed_at":"2026-08-01T15:33:44.512382Z","submitted_at":"2026-05-21T17:56:44Z","title":"How many systems can be dephased before the quantum switch becomes causally definite?","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-05-22T05:11:29.024905Z"},"links":{"cited_paper":"/paper/2101.08796","citing_paper":"/paper/2605.22807"},"observation_digest":"sha256:19ab1f6b0e3859a4ab8e5547c4df1f8cdcb7ad018c890a87ece4b01c867797d4","observation_id":"692c439e-a6ee-44a5-bc18-dc909ee279ff","resolution":{"observed_at":"2026-05-22T05:14:37.964676Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2101.08796/citation-record","integrity":"/paper/2101.08796/integrity","json":"/paper/2101.08796/citation-record.json","paper":"/paper/2101.08796"},"outbound":[],"paper":{"arxiv_id":"2101.08796","last_updated":"2023-06-19T13:02:02Z","latest_version":3,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-12T05:56:08.884073Z","submitted_at":"2021-01-21T19:00:06Z","title":"Quantum circuits with classical versus quantum control of causal order"},"reference_resolution":{"displayed":0,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":0,"verified_exact":0,"verified_fuzzy":0},"total_outbound_references":0},"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":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"thesis":"As of 12 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 6 inbound Pith citation observations for arXiv:2101.08796."}