{"as_of":"2026-08-08T16:46:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:73f4d3b8c548b81ed2169c03abc3a1276974208bf762b66232a0d70757c451d4","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":15,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":15,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-08T06:32:00.761636+00:00","state":"measured"},{"denominator":15,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":15,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T15:17:18.889105Z","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":"2026-07-04T07:29:39.289003Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-08-07T15:17:18.889105Z","title":"Towards string theory expectations for photon couplings to axionlike particles,","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2505.15884","last_updated":"2025-05-21T18:00:00Z","snapshot_observed_at":"2026-08-07T21:35:18.449473Z","submitted_at":"2025-05-21T18:00:00Z","title":"String Theory and Grand Unification Suggest a Sub-Microelectronvolt QCD Axion","version":1},"reference_index":61,"source":"pdf_text","source_observed_at":"2026-08-07T15:17:18.889105Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2505.15884"},"observation_digest":"sha256:a6c05cedafcb4d38a695f1d57b0dfa9b03ed75610e0142eb8491c654142bc99d","observation_id":"340335b1-fc29-4e86-91fe-2703e6fc9ba8","resolution":{"observed_at":"2026-08-07T15:17:18.889105Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-08-06T19:16:03.679968Z","title":"Halverson, C","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2507.06287","last_updated":"2025-07-08T18:00:00Z","snapshot_observed_at":"2026-08-08T11:17:57.615441Z","submitted_at":"2025-07-08T18:00:00Z","title":"Resonant Landau-Zener Conversion In Multi-Axion Systems","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-06T19:16:03.679968Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2507.06287"},"observation_digest":"sha256:c751d19f5d267427d8dae2f928a59bc9944d1c22691508528af4cae42897c9ff","observation_id":"d1493d0f-f006-4fff-a298-91c5dce3006b","resolution":{"observed_at":"2026-08-06T19:16:03.679968Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-08-06T16:53:22.662071Z","title":"Halverson, C","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2507.12516","last_updated":"2025-07-16T18:00:00Z","snapshot_observed_at":"2026-08-07T10:33:28.909063Z","submitted_at":"2025-07-16T18:00:00Z","title":"Universality in the Axiverse","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-06T16:53:22.662071Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2507.12516"},"observation_digest":"sha256:32d434f7030fad7e103cebdf00b03b22d3202b3e4fd97efe01c68c661877bde7","observation_id":"13196097-594b-40de-b08e-d20ce664ca23","resolution":{"observed_at":"2026-08-06T16:53:22.662071Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-08-05T10:57:49.061389Z","title":"Halverson, C","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2509.03569","last_updated":"2025-09-03T18:00:00Z","snapshot_observed_at":"2026-08-08T07:40:07.324750Z","submitted_at":"2025-09-03T18:00:00Z","title":"Axion lines from nuclear de-excitations in galactic stellar populations","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-05T10:57:49.061389Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2509.03569"},"observation_digest":"sha256:28dee9026edb1845836ba0453e61304e6c1e3db008d4d32ce633a16311f6eb5e","observation_id":"2b45fd72-0799-4b30-b597-2eae26edf03b","resolution":{"observed_at":"2026-08-05T10:57:49.061389Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-08-04T09:58:16.751532Z","title":"Halverson, C","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2510.12874","last_updated":"2026-05-29T08:12:44Z","snapshot_observed_at":"2026-08-08T08:17:01.385296Z","submitted_at":"2025-10-14T18:00:01Z","title":"The String Theory Photoverse","version":3},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-04T09:58:16.751532Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2510.12874"},"observation_digest":"sha256:ba378ded9990a494a02fd6b34da4ffcee544b3130c3885b9dea7dfc5e5c62715","observation_id":"2542b1db-377b-4133-835b-b1a89bdc106f","resolution":{"observed_at":"2026-08-04T09:58:16.751532Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-08-02T20:29:28.254793Z","title":"Halverson, C","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2602.23424","last_updated":"2026-05-30T18:22:37Z","snapshot_observed_at":"2026-08-07T22:20:06.742214Z","submitted_at":"2026-02-26T19:00:01Z","title":"Axiverse Lampposts","version":2},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-02T20:29:28.254793Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2602.23424"},"observation_digest":"sha256:f34943025b641fc05876d115ce1c33894e7aaa4b01fed41243d52d3cd56f05cd","observation_id":"b31401e3-01cf-496c-985c-85544f1760d5","resolution":{"observed_at":"2026-08-02T20:29:28.254793Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":"1909.05257","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-07-04T07:29:39.289003Z","title":"Halverson, C","venue":null,"work_id":"4ade8ae7-f042-4c4b-92e0-7dbb4e76c3bc","year":2019},"citing_paper":{"arxiv_id":"2604.16602","last_updated":"2026-07-09T18:26:06Z","snapshot_observed_at":"2026-08-02T23:45:34.325030Z","submitted_at":"2026-04-17T18:00:03Z","title":"DMRadio-Core: A new approach for GUT-scale axion searches","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-05-10T06:57:14.084969Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2604.16602"},"observation_digest":"sha256:5f971105f00e7f058366daa09eb81de4fbdb4f64cdc700d04a58c8c21bab9583","observation_id":"8a9f0445-077c-423b-b3ce-fb567a66b4ef","resolution":{"observed_at":"2026-05-10T07:01:49.395191Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"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"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":"1909.05257","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-07-04T07:29:39.289003Z","title":"Halverson, C","venue":null,"work_id":"4ade8ae7-f042-4c4b-92e0-7dbb4e76c3bc","year":2019},"citing_paper":{"arxiv_id":"2605.06787","last_updated":"2026-06-02T14:12:28Z","snapshot_observed_at":"2026-07-06T23:19:10.574595Z","submitted_at":"2026-05-07T18:00:05Z","title":"The structure of multi-axion solutions to the strong CP problem","version":1},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-05-11T01:11:15.807017Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2605.06787"},"observation_digest":"sha256:80d071a902148983e0d1e99f4bb1545fc52867c6c94a3d8dec58e04c49e96e37","observation_id":"ad1d8473-cb15-497d-832f-ed583fd926bc","resolution":{"observed_at":"2026-05-11T04:40:57.566580Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"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"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":"1909.05257","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-07-04T07:29:39.289003Z","title":"Halverson, C","venue":null,"work_id":"4ade8ae7-f042-4c4b-92e0-7dbb4e76c3bc","year":2019},"citing_paper":{"arxiv_id":"2605.06787","last_updated":"2026-06-02T14:12:28Z","snapshot_observed_at":"2026-07-06T23:19:10.574595Z","submitted_at":"2026-05-07T18:00:05Z","title":"The structure of multi-axion solutions to the strong CP problem","version":2},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-06-30T23:04:44.919157Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2605.06787"},"observation_digest":"sha256:3f473167c597aad3b2cbfa3a43f6ac5ec12bcfb20c6ddff845c4eb899b612130","observation_id":"4a315a13-5923-4a9d-9647-67b56a041c80","resolution":{"observed_at":"2026-06-30T23:05:07.022369Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"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"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":"1909.05257","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-07-04T07:29:39.289003Z","title":"Halverson, C","venue":null,"work_id":"4ade8ae7-f042-4c4b-92e0-7dbb4e76c3bc","year":2019},"citing_paper":{"arxiv_id":"2605.15261","last_updated":"2026-05-14T18:00:00Z","snapshot_observed_at":"2026-08-01T08:16:14.472825Z","submitted_at":"2026-05-14T18:00:00Z","title":"Magnetic Turbulence Boosts Supernova Signals of Axion-Photon Conversion","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-05-19T16:10:46.102334Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2605.15261"},"observation_digest":"sha256:c60b4168dfb7e723035869c7f460453f858c47e40e5ff8564b1643c09acc39c5","observation_id":"5458b956-f703-4ef4-b6d1-6bcbdb1d3fbe","resolution":{"observed_at":"2026-05-19T16:12:39.067542Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"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"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":"1909.05257","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-07-04T07:29:39.289003Z","title":"Halverson, C","venue":null,"work_id":"4ade8ae7-f042-4c4b-92e0-7dbb4e76c3bc","year":2019},"citing_paper":{"arxiv_id":"2606.07739","last_updated":"2026-06-05T18:00:02Z","snapshot_observed_at":"2026-07-06T23:47:19.773490Z","submitted_at":"2026-06-05T18:00:02Z","title":"Searches for GeV-Scale ALPs at RHIC","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-06-27T21:40:28.792173Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2606.07739"},"observation_digest":"sha256:9c53fd88c9e92b850d94e74c7cf251b55dfe985b35a4042246ac69dbd8525994","observation_id":"cc4ce0ea-b1bf-46e9-a093-2568d83c6e3f","resolution":{"observed_at":"2026-07-02T19:07:17.809741Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"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"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":"1909.05257","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-07-04T07:29:39.289003Z","title":"Halverson, C","venue":null,"work_id":"4ade8ae7-f042-4c4b-92e0-7dbb4e76c3bc","year":2019},"citing_paper":{"arxiv_id":"2606.09982","last_updated":"2026-06-08T18:00:01Z","snapshot_observed_at":"2026-08-07T05:46:12.891056Z","submitted_at":"2026-06-08T18:00:01Z","title":"Testing F-theory GUTs with the Axiverse","version":1},"reference_index":96,"source":"pdf_text","source_observed_at":"2026-06-27T15:22:57.298376Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2606.09982"},"observation_digest":"sha256:eaeaeed1f1921941aa51885a8f6ec9f6bf224090f0082547ddf83e55e2370da8","observation_id":"d5c1af2e-1889-4104-8df1-f77ee787aaef","resolution":{"observed_at":"2026-07-03T03:17:36.324916Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"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"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":"1909.05257","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-07-04T07:29:39.289003Z","title":"Halverson, C","venue":null,"work_id":"4ade8ae7-f042-4c4b-92e0-7dbb4e76c3bc","year":2019},"citing_paper":{"arxiv_id":"2606.21650","last_updated":"2026-06-19T18:00:00Z","snapshot_observed_at":"2026-07-06T23:56:35.743669Z","submitted_at":"2026-06-19T18:00:00Z","title":"Quantum Gravity Cutoff from Axions: A Type IIB Landscape Study","version":1},"reference_index":57,"source":"pdf_text","source_observed_at":"2026-06-26T13:22:57.662072Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2606.21650"},"observation_digest":"sha256:450b0cef77a55c1a5ad8e1b16d796cfa44e8c6a704e78dc9dc079897d001ec95","observation_id":"f75e927e-bd80-4511-a570-1aa2b992c995","resolution":{"observed_at":"2026-07-04T07:29:39.290466Z","resolver_source":"arxiv_id","status":"metadata_mismatch"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"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"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":"1909.05257","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-07-04T07:29:39.289003Z","title":"Halverson, C","venue":null,"work_id":"4ade8ae7-f042-4c4b-92e0-7dbb4e76c3bc","year":2019},"citing_paper":{"arxiv_id":"2607.01317","last_updated":"2026-07-01T18:00:00Z","snapshot_observed_at":"2026-07-07T00:06:54.595410Z","submitted_at":"2026-07-01T18:00:00Z","title":"No Evidence for Superradiant Axions in LIGO-Virgo-KAGRA GWTC-5 Binary Black Hole Spins","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-07-03T19:50:04.119640Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2607.01317"},"observation_digest":"sha256:e1799dc20d4822e7002637aeb9e4404a592286e76320d70017b210a64c658fc7","observation_id":"cd12b113-647d-4584-b7a6-a1241c772bfb","resolution":{"observed_at":"2026-07-03T19:58:53.936953Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"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"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1909.05257","snapshot_observed_at":"2026-08-01T08:54:41.137676Z","title":"Halverson, C","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2607.27361","last_updated":"2026-07-29T18:13:28Z","snapshot_observed_at":"2026-08-07T18:15:02.346879Z","submitted_at":"2026-07-29T18:13:28Z","title":"Spectator Axions in String Inflation and Primordial Black Holes","version":1},"reference_index":70,"source":"pdf_text","source_observed_at":"2026-08-01T08:54:41.137676Z"},"links":{"cited_paper":"/paper/1909.05257","citing_paper":"/paper/2607.27361"},"observation_digest":"sha256:ea30d34db5567ac5ec95b0c233f6fc74b7a883097549e0d299ed460eba017e92","observation_id":"3ce554af-1e97-48dc-b226-a798370138c3","resolution":{"observed_at":"2026-08-01T08:54:41.137676Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1909.05257/citation-record","integrity":"/paper/1909.05257/integrity","json":"/paper/1909.05257/citation-record.json","paper":"/paper/1909.05257"},"outbound":[],"paper":{"arxiv_id":"1909.05257","last_updated":"2019-09-11T18:00:01Z","latest_version":1,"primary_category":"hep-th","snapshot_observed_at":"2026-07-06T08:20:58.515955Z","submitted_at":"2019-09-11T18:00:01Z","title":"On String Theory Expectations for Photon Couplings to Axion-Like Particles"},"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":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"thesis":"As of 8 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 15 inbound Pith citation observations for arXiv:1909.05257."}