{"as_of":"2026-08-15T07:46:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:99abc1bdbd0825ad5aa8579881513195a4bfe154b3b1399bd488d79c583c32ad","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":1,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":1,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-15T06:32:42.880941+00:00","state":"measured"},{"denominator":1,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":1,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-05T15:39:28.520513Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"pith","source_observed_at":"2026-08-05T15:39:28.856927Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1310.6203","last_updated":"2013-11-20T10:57:43Z","snapshot_observed_at":"2026-08-15T00:23:00.572908Z","submitted_at":"2013-10-23T12:27:33Z","title":"If vacuum energy can be negative, why is mass always positive?: Uses of the subdominant trace energy condition","version":2},"cited_work":{"arxiv_id":"1310.6203","doi":null,"metadata_source":"pith","pith_arxiv_id":"1310.6203","snapshot_observed_at":"2026-08-05T15:39:28.856927Z","title":"If vacuum energy can be negative, why is mass always positive?: Uses of the subdominant trace energy condition","venue":"quant-ph","work_id":"c56842d6-a0f6-462c-a9d8-2f77448256d0","year":2013},"citing_paper":{"arxiv_id":"2508.19823","last_updated":"2025-09-14T01:22:39Z","snapshot_observed_at":"2026-08-09T06:53:04.635058Z","submitted_at":"2025-08-27T12:14:20Z","title":"The existence and upper bound for stable photon spheres in static spherically symmetric black holes","version":2},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-05T15:39:28.520513Z"},"links":{"cited_paper":"/paper/1310.6203","citing_paper":"/paper/2508.19823"},"observation_digest":"sha256:57046f4bebc082001b879af40264e6753df9d0ba83eb20bded2390fa2a6030e2","observation_id":"812169f7-14e5-47b6-ae3c-5424e0a84fd9","resolution":{"observed_at":"2026-08-05T15:39:28.866924Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1310.6203/citation-record","integrity":"/paper/1310.6203/integrity","json":"/paper/1310.6203/citation-record.json","paper":"/paper/1310.6203"},"outbound":[],"paper":{"arxiv_id":"1310.6203","last_updated":"2013-11-20T10:57:43Z","latest_version":2,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-15T00:23:00.572908Z","submitted_at":"2013-10-23T12:27:33Z","title":"If vacuum energy can be negative, why is mass always positive?: Uses of the subdominant trace energy condition"},"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":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"thesis":"As of 15 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1310.6203."}