{"as_of":"2026-08-10T03:54:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:ed101365e12a7bf80b64e4c16ff337de60c4f5c78ee914ed5b20500d573dc572","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":3,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":3,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-09T06:31:02.800959+00:00","state":"measured"},{"denominator":3,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":3,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-06T14:50:04.724248Z","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":"2026-05-10T15:14:44.163043Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2111.09967","last_updated":"2023-01-05T19:00:54Z","snapshot_observed_at":"2026-07-06T12:10:02.594443Z","submitted_at":"2021-11-18T23:06:34Z","title":"Differentiable quantum computational chemistry with PennyLane","version":3},"cited_work":{"arxiv_id":"2111.09967","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2111.09967","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Differentiable quantum computational chemistry with pennylane","venue":null,"work_id":"5806d354-945c-4cf0-833a-042d2acc8fa4","year":2021},"citing_paper":{"arxiv_id":"1811.04968","last_updated":"2022-07-29T22:39:54Z","snapshot_observed_at":"2026-07-06T07:14:13.912107Z","submitted_at":"2018-11-12T19:18:57Z","title":"PennyLane: Automatic differentiation of hybrid quantum-classical computations","version":4},"reference_index":66,"source":"pdf_text","source_observed_at":"2026-05-10T15:14:44.070015Z"},"links":{"cited_paper":"/paper/2111.09967","citing_paper":"/paper/1811.04968"},"observation_digest":"sha256:3479ffb3c5aabbb1487e62a3bc4a53ebd55c1940cdb96dee6b4ee137e9bbc693","observation_id":"5db88934-9fb0-45c8-ac3f-a8ba394f893d","resolution":{"observed_at":"2026-05-10T15:14:44.165141Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-09T06:31:02.800959+00:00","source":"crossref"},{"observed_at":"2026-08-09T06:30:57.326959+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2111.09967","last_updated":"2023-01-05T19:00:54Z","snapshot_observed_at":"2026-07-06T12:10:02.594443Z","submitted_at":"2021-11-18T23:06:34Z","title":"Differentiable quantum computational chemistry with PennyLane","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2111.09967","snapshot_observed_at":"2026-08-06T14:50:04.724248Z","title":"Differentiable quantum computational chemistry with pennylane,","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2507.17614","last_updated":"2025-07-23T15:46:54Z","snapshot_observed_at":"2026-08-08T12:09:30.080906Z","submitted_at":"2025-07-23T15:46:54Z","title":"Comparing performance of variational quantum algorithm simulations on HPC systems","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-06T14:50:04.724248Z"},"links":{"cited_paper":"/paper/2111.09967","citing_paper":"/paper/2507.17614"},"observation_digest":"sha256:fbc80aeafb2c562236fea7df19e06609e192c54a57366114a55882d71ad7d394","observation_id":"b271e4d1-e87c-457e-a581-a25adb5e2cf7","resolution":{"observed_at":"2026-08-06T14:50:04.724248Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2111.09967","last_updated":"2023-01-05T19:00:54Z","snapshot_observed_at":"2026-07-06T12:10:02.594443Z","submitted_at":"2021-11-18T23:06:34Z","title":"Differentiable quantum computational chemistry with PennyLane","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2111.09967","snapshot_observed_at":"2026-08-02T02:42:57.529209Z","title":null,"venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2607.14263","last_updated":"2026-07-21T23:17:30Z","snapshot_observed_at":"2026-08-02T02:42:53.417370Z","submitted_at":"2026-07-15T18:17:03Z","title":"AutoHF: a general Hartree-Fock solver utilizing direct energy minimization with automatic differentiation","version":2},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-02T02:42:57.529209Z"},"links":{"cited_paper":"/paper/2111.09967","citing_paper":"/paper/2607.14263"},"observation_digest":"sha256:a2c4d961b69986d04cfb86c0690b87cf12d3920a75667aff3d8d76f4c6f66a48","observation_id":"92ad2ca8-9034-498f-a681-5758621f4783","resolution":{"observed_at":"2026-08-02T02:42:57.529209Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2111.09967/citation-record","integrity":"/paper/2111.09967/integrity","json":"/paper/2111.09967/citation-record.json","paper":"/paper/2111.09967"},"outbound":[],"paper":{"arxiv_id":"2111.09967","last_updated":"2023-01-05T19:00:54Z","latest_version":3,"primary_category":"quant-ph","snapshot_observed_at":"2026-07-06T12:10:02.594443Z","submitted_at":"2021-11-18T23:06:34Z","title":"Differentiable quantum computational chemistry with PennyLane"},"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":"2026-08-09T06:31:02.800959+00:00","source":"crossref"},{"observed_at":"2026-08-09T06:30:57.326959+00:00","source":"retraction_watch"}],"thesis":"As of 10 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 3 inbound Pith citation observations for arXiv:2111.09967."}