{"as_of":"2026-08-16T12:47:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:5ef3e2c45c46b9a7669252b833792665e46c651cddc0702fabc6066df25bbb33","coverage":[{"denominator":7,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":7,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T15:30:06.639361Z","state":"measured"},{"denominator":7,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":7,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-16T06:30:59.297886+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/1908.01705/citation-record","integrity":"/paper/1908.01705/integrity","json":"/paper/1908.01705/citation-record.json","paper":"/paper/1908.01705"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:30:06.780011Z","title":"Chv´ atal, A combinatorial theorem in plane geometry, J","venue":null,"work_id":"f327de4a-17b4-4e60-b3ce-e12ddb735ee1","year":1975},"citing_paper":{"arxiv_id":"1908.01705","last_updated":"2019-08-05T15:57:25Z","snapshot_observed_at":"2026-08-16T10:27:27.219699Z","submitted_at":"2019-08-05T15:57:25Z","title":"The smallest art gallery not guarded by every third vertex","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T15:30:06.604875Z"},"links":{"citing_paper":"/paper/1908.01705"},"observation_digest":"sha256:4ad5b5d9efc75fb34b1c17281427b6ce4bf3e7ce2d96feca916678c5633c0fbf","observation_id":"9a81a606-1e38-4695-a21a-80b6f78dc827","resolution":{"observed_at":"2026-08-14T15:30:06.785574Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T15:30:06.761017Z","title":"Devadoss, J","venue":null,"work_id":"3503426e-e312-40be-bbb3-c4c309f52a18","year":2011},"citing_paper":{"arxiv_id":"1908.01705","last_updated":"2019-08-05T15:57:25Z","snapshot_observed_at":"2026-08-16T10:27:27.219699Z","submitted_at":"2019-08-05T15:57:25Z","title":"The smallest art gallery not guarded by every third vertex","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T15:30:06.610818Z"},"links":{"citing_paper":"/paper/1908.01705"},"observation_digest":"sha256:c091ae3fdedc98169c3bd2b7fca164fb678437e5dfb18542dfa1436b6a04cfdf","observation_id":"9e879f2c-74ab-4c57-adf3-4a02cc9c71a7","resolution":{"observed_at":"2026-08-14T15:30:06.766212Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T15:30:06.743707Z","title":"Guggenheimer, The Jordan curve theorem and an unpublished manuscript by Max Dehn, Arch","venue":null,"work_id":"4a2f86e7-2420-4d9c-a9b6-feb5e52362e5","year":1977},"citing_paper":{"arxiv_id":"1908.01705","last_updated":"2019-08-05T15:57:25Z","snapshot_observed_at":"2026-08-16T10:27:27.219699Z","submitted_at":"2019-08-05T15:57:25Z","title":"The smallest art gallery not guarded by every third vertex","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T15:30:06.616041Z"},"links":{"citing_paper":"/paper/1908.01705"},"observation_digest":"sha256:821089122d5843fc7a12fb4ed0d3153f7c94918d83d3b84d43dd3e848b71e657","observation_id":"bc151ae7-5e57-4132-a845-acdd1caed674","resolution":{"observed_at":"2026-08-14T15:30:06.748733Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T15:30:06.724995Z","title":"Fisk, A short proof of Chvtal’s watchman theorem, J","venue":null,"work_id":"fb32a2b5-ba34-4a5b-9ee5-eafcf7f616e9","year":1978},"citing_paper":{"arxiv_id":"1908.01705","last_updated":"2019-08-05T15:57:25Z","snapshot_observed_at":"2026-08-16T10:27:27.219699Z","submitted_at":"2019-08-05T15:57:25Z","title":"The smallest art gallery not guarded by every third vertex","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T15:30:06.621650Z"},"links":{"citing_paper":"/paper/1908.01705"},"observation_digest":"sha256:54d0da2af06e38157ed36339d90a58b31522d35eee290fed1d42ba2d99420668","observation_id":"c2ca3f8d-3690-44cb-9d1a-1cb951a61560","resolution":{"observed_at":"2026-08-14T15:30:06.730283Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T15:30:06.705460Z","title":"Meisters, Polygons have ears, Amer","venue":null,"work_id":"910a38f0-1dad-462f-98d1-aea382206223","year":1975},"citing_paper":{"arxiv_id":"1908.01705","last_updated":"2019-08-05T15:57:25Z","snapshot_observed_at":"2026-08-16T10:27:27.219699Z","submitted_at":"2019-08-05T15:57:25Z","title":"The smallest art gallery not guarded by every third vertex","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T15:30:06.627733Z"},"links":{"citing_paper":"/paper/1908.01705"},"observation_digest":"sha256:eff74ae5a2881e8b5af461ae46857e2b947e5b2745848c2eab8bfff5791206f8","observation_id":"ab6d7daa-941f-4d40-ab3d-f5303c53fc9c","resolution":{"observed_at":"2026-08-14T15:30:06.710813Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T15:30:06.688601Z","title":null,"venue":null,"work_id":"2e778b45-0a3b-45ae-ad44-fe187f01c735","year":2009},"citing_paper":{"arxiv_id":"1908.01705","last_updated":"2019-08-05T15:57:25Z","snapshot_observed_at":"2026-08-16T10:27:27.219699Z","submitted_at":"2019-08-05T15:57:25Z","title":"The smallest art gallery not guarded by every third vertex","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T15:30:06.633286Z"},"links":{"citing_paper":"/paper/1908.01705"},"observation_digest":"sha256:6a128ee32458ec7bd14a275c969b90098173285555a703bf3a5c2c454eb71a8b","observation_id":"28b47d02-4007-465f-97e5-5f18f5fa3787","resolution":{"observed_at":"2026-08-14T15:30:06.693741Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+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":"2026-08-14T15:30:06.670428Z","title":"O’Rourke, Art gallery theorems and algorithms, International Series of Monographs on Computer Science, The Clarendon Press, Oxford Uni- versity Press, New York, 1987","venue":null,"work_id":"0fc19143-cf36-45fc-9ee4-ac394969ee1a","year":1987},"citing_paper":{"arxiv_id":"1908.01705","last_updated":"2019-08-05T15:57:25Z","snapshot_observed_at":"2026-08-16T10:27:27.219699Z","submitted_at":"2019-08-05T15:57:25Z","title":"The smallest art gallery not guarded by every third vertex","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T15:30:06.639361Z"},"links":{"citing_paper":"/paper/1908.01705"},"observation_digest":"sha256:5f8c21d9b6b051bd7a0e5d8873483e342065a28a4b3fe8ee1926d91115e8ac59","observation_id":"ca16c2bd-1cc0-4f50-9b7b-21835befc11e","resolution":{"observed_at":"2026-08-14T15:30:06.677355Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"1908.01705","last_updated":"2019-08-05T15:57:25Z","latest_version":1,"primary_category":"math.CO","snapshot_observed_at":"2026-08-16T10:27:27.219699Z","submitted_at":"2019-08-05T15:57:25Z","title":"The smallest art gallery not guarded by every third vertex"},"reference_resolution":{"displayed":7,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":1,"verified_exact":0,"verified_fuzzy":6},"total_outbound_references":7},"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":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 16 August 2026, this Paper Citation Record lists 7 of 7 outbound references and 0 inbound Pith citation observations for arXiv:1908.01705."}