{"as_of":"2026-08-09T02:06:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:9212d3461e815b0cf1d38f721e29d14b83f873c17e9fdf0cb0bd720e1719c130","coverage":[{"denominator":30,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":30,"source":"paper_references, paper_reference_links","source_observed_at":"2026-07-14T13:00:43.508451Z","state":"measured"},{"denominator":30,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":30,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-08T06:32:00.761636+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/2607.10272/citation-record","integrity":"/paper/2607.10272/integrity","json":"/paper/2607.10272/citation-record.json","paper":"/paper/2607.10272"},"outbound":[{"citation":{"cited_paper":{"arxiv_id":"hep-ex/0602020","last_updated":"2006-09-28T08:47:50Z","snapshot_observed_at":"2026-08-04T06:53:31.623483Z","submitted_at":"2006-02-09T19:55:16Z","title":"An Improved Experimental Limit on the Electric Dipole Moment of the Neutron","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"hep-ex/0602020","snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":null,"venue":null,"work_id":null,"year":2006},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"cited_paper":"/paper/hep-ex/0602020","citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:7ca8b394a6080199c0085f4c7095c84f2f721d478c3c9d283d66d53b70ab215a","observation_id":"6db1ee1a-2072-4e79-9e22-7132f1e44914","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2001.11966","last_updated":"2020-01-31T17:31:29Z","snapshot_observed_at":"2026-08-07T00:24:32.922850Z","submitted_at":"2020-01-31T17:31:29Z","title":"Measurement of the permanent electric dipole moment of the neutron","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2001.11966","snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Abelet al., Phys","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"cited_paper":"/paper/2001.11966","citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:2cf1a0b6d0c953e1a4cb56731badcca65420b7912bd350cd01c99306cb1f134f","observation_id":"2adb67b2-8980-4eca-b42a-1f3edd709d18","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Witten, Nucl","venue":null,"work_id":null,"year":1979},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:020ddc48574b3ffeb638b502f1cb0218b82acbd05afc711ccf581d6086a1069a","observation_id":"521f7a5c-8e63-4df1-b9d8-5de7024ac06d","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":null,"venue":null,"work_id":null,"year":1979},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:3a66f268259b154fd686d05f468951c63f4a827a993d6db3af12e160f6a5f1e8","observation_id":"e8254f18-41ec-449c-a85c-644f55fcd3ce","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Vafa and E","venue":null,"work_id":null,"year":1984},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:bc6bfd351a649a0ef13d060eb67d1f9073f1b9bf2d8310d3e458b1a742c910b4","observation_id":"908b81c1-d6d9-4b02-bb0e-40211de1c0e7","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":null,"venue":null,"work_id":null,"year":1977},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:56e31a6a256c5bc4fb610369b9ad4f1fd7b7cd76a89a7cf94da1c667324d86a6","observation_id":"cf91b0f3-26af-4ca4-86b3-f19b61e5f1c3","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Nelson, Physics Letters B136, 387 (1984)","venue":null,"work_id":null,"year":1984},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:fd939754efcab7915b0d654fa29117291ed8bf850b5e499200b04525a8b68aec","observation_id":"396cbdff-b7a8-42be-9bda-b1520beaccd6","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":null,"venue":null,"work_id":null,"year":1984},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:91cebf40d678ab8f475adf4efa5bd575872b4686ec37652f34b30eee7d75b446","observation_id":"3ed7dd19-d390-42d0-a63e-f5eeae909fdc","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":null,"venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:9fd287a5e3710ddb547ca2bbffbbd28f65a86bce58360be336056f53ae47e61b","observation_id":"5ab83f36-c388-4801-9397-2794f2b1e6e5","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2505.08358","last_updated":"2025-05-13T09:06:21Z","snapshot_observed_at":"2026-08-07T15:45:49.583483Z","submitted_at":"2025-05-13T09:06:21Z","title":"What can solve the Strong CP problem?","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2505.08358","snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":null,"venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"cited_paper":"/paper/2505.08358","citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:95cf3aeaf2edfb08505b81e54e7e75d63de0e49b068ac346a5d4d902d70aa470","observation_id":"5c56959f-a693-4c35-8191-413915516fa2","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Dvali, L","venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:166917b334e4795c17754bc7fa091f6f10f91a65d87547af9b1280c66cdd0d9c","observation_id":"c47e50b9-e92a-4442-adfd-78d964e38998","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2501.16427","last_updated":"2025-01-27T19:00:02Z","snapshot_observed_at":"2026-08-04T20:17:52.075755Z","submitted_at":"2025-01-27T19:00:02Z","title":"Solving the strong CP problem","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2501.16427","snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Strumia, arXiv (2025), arXiv:2501.16427 [hep-ph]","venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"cited_paper":"/paper/2501.16427","citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:191476f0124267961c9754b816890f3abea4270e758564858450bbafbfaa6f55","observation_id":"033c8ed9-550c-47ce-a3a1-abaae1782921","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2106.11369","last_updated":"2023-01-04T14:49:14Z","snapshot_observed_at":"2026-07-06T11:21:30.713389Z","submitted_at":"2021-06-21T18:57:34Z","title":"The strong CP problem solved by itself due to long-distance vacuum effects","version":4},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2106.11369","snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Nakamura and G","venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"cited_paper":"/paper/2106.11369","citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:8fd7eb1f3c4dc9d6450f10e7faecd2de02a808274808b9f297e335a98ed37776","observation_id":"020cb6c0-c8ee-43fe-86f5-9fb14b26707f","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2403.13508","last_updated":"2025-03-25T12:53:33Z","snapshot_observed_at":"2026-08-08T19:02:37.787999Z","submitted_at":"2024-03-20T11:07:00Z","title":"Absence of strong CP violation","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2403.13508","snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Schierholz, J","venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"cited_paper":"/paper/2403.13508","citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:5f5281bdc9606922a5a496bfbe2f48c4cc9f122d02cd9128a8506d9259d78d1f","observation_id":"13779d45-62c1-4929-935f-983f8adee568","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2004.03837","last_updated":"2020-06-22T05:45:05Z","snapshot_observed_at":"2026-07-06T09:10:51.624651Z","submitted_at":"2020-04-08T06:49:00Z","title":"Density of states approach for lattice gauge theory with a $\\theta$-term","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2004.03837","snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Gattringer and O","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"cited_paper":"/paper/2004.03837","citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:098ed7506525e9d9f13337595bd6f1bb034331b5e073e880def78869af009573","observation_id":"679737d2-c32e-43ae-a6e7-7eed5fa0d7ab","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2405.20566","last_updated":"2024-07-24T10:10:27Z","snapshot_observed_at":"2026-08-07T18:39:54.267938Z","submitted_at":"2024-05-31T01:08:00Z","title":"Lattice study on finite density QC$_2$D towards zero temperature","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2405.20566","snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":null,"venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"cited_paper":"/paper/2405.20566","citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:c7929d236f8a3c9a28cae2ed3316dbdc6b89ff725f1fefb709f66737408cd216","observation_id":"a25cadcf-68f0-4d5a-b78e-a27d1e4a90ef","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":null,"venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:410b53626a0204eea7e1a35d285b78485cb703397498995c203764d87803da6e","observation_id":"8aea6699-f2a7-424f-8c98-e38b026acec1","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Strong cp problem, theta term and qcd topological properties,","venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:87a0bb0331e680accd615375060a389d51e9941ff60f21bb84e0d281b31dcf4f","observation_id":"57930730-5aeb-4382-9f3a-3df44565b893","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Strong CP and the QCD Axion: Lecture Notes via Effective Field Theory,","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:d1bdb5edc4bdce54b8b62866dc13d71f068be959575f4b7c2f675905ee8ea7b7","observation_id":"3f76f030-e7e5-4093-9252-e932463a021e","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Ringwald, PoSCOSMICWISPers2025, 001 (2026), arXiv:2601.04718 [hep-ph]","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:5eb30ba89d446490f261842b09f72a300487faf2f2bb4b74c6d39c9d9a0c8e8a","observation_id":"a29a7a63-06a9-4391-a4d5-d7ac618c21ec","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":null,"venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:834846f8d4d94c2e8e049b1539ad4483aecccf3b4f8d095398d43d5f1475ffbd","observation_id":"68c6c569-75aa-4ea9-ad80-6388d2fe1a4b","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":null,"venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:e5ed60cdd32094bcfb960b5642fa4956a4e8a6dced714cca62ed2621f150810d","observation_id":"fcfd8353-b8c7-4959-b004-61188b06d09d","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Zinn-Justin,Quantum Field Theory and Critical Phenomena, 4th ed","venue":null,"work_id":null,"year":2002},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:3da5a746da3af263411f1c222becccef6749293a45e3cf48b63322510621911f","observation_id":"6973fcf6-9000-46f2-8cf9-9d089725ff6c","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Brezis,Functional Analysis, Sobolev Spaces and Partial Differential Equations(Springer, 2011)","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:0930fd87d10f1460756f4e5f4359b7ba135b3e9c8cb2dfd9732156fdfa37b1cd","observation_id":"4fe250ab-e54d-46f3-9cbf-87ef6aed6387","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":null,"venue":null,"work_id":null,"year":1984},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:d3165ea27fab1ed02501dec211ab624f788ca1fcc2b4276de7e41c3c36da1bba","observation_id":"3953af48-bb62-45ee-b0ba-b412d3d2b2ce","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Glimm and A","venue":null,"work_id":null,"year":1987},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:1d4e635bde938d303d4875b14e9cdaffd11fd1c44d8ad3986a4235f0e4e3e936","observation_id":"f0dd4d95-5134-46e7-ab94-ab50827a13b8","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Simon,The P (Φ) 2 euclidean (Quantum) Field Theory(Princeton University Press, 2015)","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:979906a1ba6edf79a67fda86319971cfb4a4c3a068792ea6463b22f0f25f1680","observation_id":"20732cf7-6a44-4641-857c-1b071a09dc7f","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Simon,Functional Integration and Quantum Physics, 2nd ed., AMS Chelsea Publishing (American Mathematical Society, 2005)","venue":null,"work_id":null,"year":2005},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:321b52ef7365e88f7f649184ab4411bbbaf393bc9d9ffe18d9a1fd5b8c280b5a","observation_id":"c8a5712b-ccc7-4d20-9f52-bb9c98d97a5d","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Neuberger, Physics Letters B417, 141–144 (1998)","venue":null,"work_id":null,"year":1998},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:1d257430afbf976465c54bee8200823d07e937cb928ea24e25d67b762261e193","observation_id":"06396d99-3cf5-47c7-84fe-3b72967474c2","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-14T13:00:43.508451Z","title":"Hasenfratz, V","venue":null,"work_id":null,"year":1998},"citing_paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-07-14T13:00:43.508451Z"},"links":{"citing_paper":"/paper/2607.10272"},"observation_digest":"sha256:8f708fc4b7851188193c0bc242191d0f34b6854806a154e16306f0b280c4ea73","observation_id":"cdad1cf2-26b5-4d71-b6a1-b6f249d53b7f","resolution":{"observed_at":"2026-07-14T13:00:43.508451Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"paper":{"arxiv_id":"2607.10272","last_updated":"2026-07-11T12:05:21Z","latest_version":1,"primary_category":"hep-ph","snapshot_observed_at":"2026-08-08T15:03:49.905931Z","submitted_at":"2026-07-11T12:05:21Z","title":"On the Origins of the Strong CP Problem"},"reference_resolution":{"displayed":30,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":30,"verified_exact":0,"verified_fuzzy":0},"total_outbound_references":30},"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":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"thesis":"As of 9 August 2026, this Paper Citation Record lists 30 of 30 outbound references and 0 inbound Pith citation observations for arXiv:2607.10272."}