{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:Y2IJS2YWIFWI6DANWA2HUKNQBL","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"4e9580b7cfe019de4802cd4c2f389aa920e17c00cbbf01ae6bad8433b8a27b40","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.OT","submitted_at":"2026-02-04T09:22:40Z","title_canon_sha256":"1a97d06f466c0462d368b97a3770e60daa455331df5c7b0a72bf5aaa2b3eaf45"},"schema_version":"1.0","source":{"id":"2602.04353","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.04353","created_at":"2026-05-20T00:03:04Z"},{"alias_kind":"arxiv_version","alias_value":"2602.04353v1","created_at":"2026-05-20T00:03:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.04353","created_at":"2026-05-20T00:03:04Z"},{"alias_kind":"pith_short_12","alias_value":"Y2IJS2YWIFWI","created_at":"2026-05-20T00:03:04Z"},{"alias_kind":"pith_short_16","alias_value":"Y2IJS2YWIFWI6DAN","created_at":"2026-05-20T00:03:04Z"},{"alias_kind":"pith_short_8","alias_value":"Y2IJS2YW","created_at":"2026-05-20T00:03:04Z"}],"graph_snapshots":[{"event_id":"sha256:40f663eb554aac461ac242c9ff632914494db70a1065ec909c51781f3dd7043d","target":"graph","created_at":"2026-05-20T00:03:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2602.04353/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Suppose some cleverness score parameter is sufficiently\n  interesting to be defined and then measured, perhaps for\n  different strata of specialists or for the broader population.\n  Such phenomena could have Gaussian distributions,\n  when it comes to all players in a stratum, but when interest\n  focuses on the very tails, for the top few percent,\n  those above certain high thresholds,\n  different models are called for, along with the need\n  to analyse such based on the listed top scores only.\n  In this note I develop such models and tools,\n  and apply them to the top-100 and above 2100 points\n","authors_text":"Nils Lid Hjort","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.OT","submitted_at":"2026-02-04T09:22:40Z","title":"Anyone for chess? Analysing chess ratings above high thresholds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.04353","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:3c46183de62d0465a5c96531d1dce56faae7e0164da7af0454e73bb9d5f417a7","target":"record","created_at":"2026-05-20T00:03:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"4e9580b7cfe019de4802cd4c2f389aa920e17c00cbbf01ae6bad8433b8a27b40","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.OT","submitted_at":"2026-02-04T09:22:40Z","title_canon_sha256":"1a97d06f466c0462d368b97a3770e60daa455331df5c7b0a72bf5aaa2b3eaf45"},"schema_version":"1.0","source":{"id":"2602.04353","kind":"arxiv","version":1}},"canonical_sha256":"c690996b16416c8f0c0db0347a29b00adf490078bed4155415dacbbf20b891a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c690996b16416c8f0c0db0347a29b00adf490078bed4155415dacbbf20b891a9","first_computed_at":"2026-05-20T00:03:04.517514Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:03:04.517514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qQH20yxuOVdOc653wzYYQfuY4upkHNYTG0K19prDc1Qi/o5qZ/eAqgsWuV0x9OKMPzshhFbZl/a+rXGPjuwMCg==","signature_status":"signed_v1","signed_at":"2026-05-20T00:03:04.518421Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.04353","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3c46183de62d0465a5c96531d1dce56faae7e0164da7af0454e73bb9d5f417a7","sha256:40f663eb554aac461ac242c9ff632914494db70a1065ec909c51781f3dd7043d"],"state_sha256":"cac6f27069531286bee03fe23fbd2e5e65434271c18b7eac1f239522ea8a4bb6"}