{"as_of":"2026-08-10T20:43:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:eb636f941ea899b1ee2ab9a0f77e5b691c6f00e85c7a5182cb6133109d6f1d8c","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":2,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":2,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-10T06:31:04.303077+00:00","state":"measured"},{"denominator":2,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":2,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T15:03:44.629638Z","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":"2026-05-12T22:18:15.712525Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1901.08106","last_updated":"2019-05-13T16:53:45Z","snapshot_observed_at":"2026-08-10T11:57:29.551946Z","submitted_at":"2019-01-23T19:56:17Z","title":"Open-ended Learning in Symmetric Zero-sum Games","version":2},"cited_work":{"arxiv_id":"1901.08106","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1901.08106","snapshot_observed_at":"2026-07-04T23:37:22.023184Z","title":"M., Pérolat, J., Jaderberg, M","venue":null,"work_id":"94ecd462-a648-4544-acc1-e667a23d4d21","year":1901},"citing_paper":{"arxiv_id":"1912.06680","last_updated":"2019-12-13T19:56:40Z","snapshot_observed_at":"2026-07-06T02:11:23.670680Z","submitted_at":"2019-12-13T19:56:40Z","title":"Dota 2 with Large Scale Deep Reinforcement Learning","version":1},"reference_index":62,"source":"pdf_text","source_observed_at":"2026-05-12T22:18:15.591361Z"},"links":{"cited_paper":"/paper/1901.08106","citing_paper":"/paper/1912.06680"},"observation_digest":"sha256:ff7662a9a530ea31c8cad36176cf487a10681904e71a293300d691b1190fc839","observation_id":"1bf96935-235e-4f37-a673-78d362900d30","resolution":{"observed_at":"2026-07-04T23:37:22.023184Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1901.08106","last_updated":"2019-05-13T16:53:45Z","snapshot_observed_at":"2026-08-10T11:57:29.551946Z","submitted_at":"2019-01-23T19:56:17Z","title":"Open-ended Learning in Symmetric Zero-sum Games","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1901.08106","snapshot_observed_at":"2026-08-07T15:03:44.629638Z","title":"and Graepel, T","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2505.16388","last_updated":"2026-08-07T06:49:22Z","snapshot_observed_at":"2026-08-10T20:09:01.145348Z","submitted_at":"2025-05-22T08:41:37Z","title":"Serious Games: Human-AI Interaction, Evolution, and Coevolution","version":2},"reference_index":80,"source":"pdf_text","source_observed_at":"2026-08-07T15:03:44.629638Z"},"links":{"cited_paper":"/paper/1901.08106","citing_paper":"/paper/2505.16388"},"observation_digest":"sha256:9ae6b8a3540cbc74e791e1b918a6d5eba43498281ace54e49da1e2fc55e1f250","observation_id":"674db07a-4d7a-48e1-b98e-fcc5d3833c78","resolution":{"observed_at":"2026-08-07T15:03:44.629638Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1901.08106/citation-record","integrity":"/paper/1901.08106/integrity","json":"/paper/1901.08106/citation-record.json","paper":"/paper/1901.08106"},"outbound":[],"paper":{"arxiv_id":"1901.08106","last_updated":"2019-05-13T16:53:45Z","latest_version":2,"primary_category":"cs.LG","snapshot_observed_at":"2026-08-10T11:57:29.551946Z","submitted_at":"2019-01-23T19:56:17Z","title":"Open-ended Learning in Symmetric Zero-sum Games"},"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":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"thesis":"As of 10 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1901.08106."}