{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:D4DZ4DORXISKHONT5VAM4EJXWC","short_pith_number":"pith:D4DZ4DOR","canonical_record":{"source":{"id":"2606.25176","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-23T21:06:24Z","cross_cats_sorted":[],"title_canon_sha256":"9a1a642970025ab88f51f0ac876739d63a9e2d8ad5ead99610e0b427c52834b9","abstract_canon_sha256":"800d22a05a106633c536b737e3b93a068dd15b9d07077ada2e40a00d94a3c6a6"},"schema_version":"1.0"},"canonical_sha256":"1f079e0dd1ba24a3b9b3ed40ce1137b0b96421819a72b4494806268b269851fd","source":{"kind":"arxiv","id":"2606.25176","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25176","created_at":"2026-06-25T00:18:20Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25176v1","created_at":"2026-06-25T00:18:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25176","created_at":"2026-06-25T00:18:20Z"},{"alias_kind":"pith_short_12","alias_value":"D4DZ4DORXISK","created_at":"2026-06-25T00:18:20Z"},{"alias_kind":"pith_short_16","alias_value":"D4DZ4DORXISKHONT","created_at":"2026-06-25T00:18:20Z"},{"alias_kind":"pith_short_8","alias_value":"D4DZ4DOR","created_at":"2026-06-25T00:18:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:D4DZ4DORXISKHONT5VAM4EJXWC","target":"record","payload":{"canonical_record":{"source":{"id":"2606.25176","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-23T21:06:24Z","cross_cats_sorted":[],"title_canon_sha256":"9a1a642970025ab88f51f0ac876739d63a9e2d8ad5ead99610e0b427c52834b9","abstract_canon_sha256":"800d22a05a106633c536b737e3b93a068dd15b9d07077ada2e40a00d94a3c6a6"},"schema_version":"1.0"},"canonical_sha256":"1f079e0dd1ba24a3b9b3ed40ce1137b0b96421819a72b4494806268b269851fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T00:18:20.060673Z","signature_b64":"HWQLYfsdiqRKA2x3wAruzTWlH9l28wnuvrXrm7a9OTfTnuixPAsbdWnJpkTv10SagUD73cDqYk15JVMQiGJPCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f079e0dd1ba24a3b9b3ed40ce1137b0b96421819a72b4494806268b269851fd","last_reissued_at":"2026-06-25T00:18:20.060302Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T00:18:20.060302Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.25176","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-25T00:18:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NpvyBwHhAusZU30DSt0zEKMucBHO9VrLbXhN5l8AXUHz+dG4WGwlpTuIuwORfUTI7Nv7exTpK0k/FXK3gw4WBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T15:49:47.258937Z"},"content_sha256":"e2702db1b2b47427651f7cdd9e4827c904d89a57decaaeb42ac58d6a3280079e","schema_version":"1.0","event_id":"sha256:e2702db1b2b47427651f7cdd9e4827c904d89a57decaaeb42ac58d6a3280079e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:D4DZ4DORXISKHONT5VAM4EJXWC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Elo-Disentangled Player-Style Embeddings for Human Chess via Rating-Conditioned Residual Move Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Jason Carlson","submitted_at":"2026-06-23T21:06:24Z","abstract_excerpt":"We study representation learning for individual human chess style: a per-player embedding learned from a player's move history such that inner products measure stylistic similarity, while being approximately disentangled from playing strength (Elo). Our key design is a residual formulation: a rating-conditioned base move model (Maia-3 policy logits plus Stockfish-derived features, scored over Maia-2-proposed candidates) captures what a typical player of a given strength would play, and a frozen copy of it anchors a learned move encoder and a per-player vector z, so that z explains only deviati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25176","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.25176/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-25T00:18:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9SPp4fEcLNtpEmMv66NcZEG25hsN0KuhGsVp+emb0oFlJsHVccNoNHBCAxoLVjhg6LI1DLKmfv5mqcwvrEH5Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T15:49:47.259612Z"},"content_sha256":"42158fc459c2efed9800ad22a5b45b5c887886ccdb87efb38efdb72f5eb53320","schema_version":"1.0","event_id":"sha256:42158fc459c2efed9800ad22a5b45b5c887886ccdb87efb38efdb72f5eb53320"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D4DZ4DORXISKHONT5VAM4EJXWC/bundle.json","state_url":"https://pith.science/pith/D4DZ4DORXISKHONT5VAM4EJXWC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D4DZ4DORXISKHONT5VAM4EJXWC/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-08T15:49:47Z","links":{"resolver":"https://pith.science/pith/D4DZ4DORXISKHONT5VAM4EJXWC","bundle":"https://pith.science/pith/D4DZ4DORXISKHONT5VAM4EJXWC/bundle.json","state":"https://pith.science/pith/D4DZ4DORXISKHONT5VAM4EJXWC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D4DZ4DORXISKHONT5VAM4EJXWC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:D4DZ4DORXISKHONT5VAM4EJXWC","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":"800d22a05a106633c536b737e3b93a068dd15b9d07077ada2e40a00d94a3c6a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-23T21:06:24Z","title_canon_sha256":"9a1a642970025ab88f51f0ac876739d63a9e2d8ad5ead99610e0b427c52834b9"},"schema_version":"1.0","source":{"id":"2606.25176","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25176","created_at":"2026-06-25T00:18:20Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25176v1","created_at":"2026-06-25T00:18:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25176","created_at":"2026-06-25T00:18:20Z"},{"alias_kind":"pith_short_12","alias_value":"D4DZ4DORXISK","created_at":"2026-06-25T00:18:20Z"},{"alias_kind":"pith_short_16","alias_value":"D4DZ4DORXISKHONT","created_at":"2026-06-25T00:18:20Z"},{"alias_kind":"pith_short_8","alias_value":"D4DZ4DOR","created_at":"2026-06-25T00:18:20Z"}],"graph_snapshots":[{"event_id":"sha256:42158fc459c2efed9800ad22a5b45b5c887886ccdb87efb38efdb72f5eb53320","target":"graph","created_at":"2026-06-25T00:18:20Z","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/2606.25176/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study representation learning for individual human chess style: a per-player embedding learned from a player's move history such that inner products measure stylistic similarity, while being approximately disentangled from playing strength (Elo). Our key design is a residual formulation: a rating-conditioned base move model (Maia-3 policy logits plus Stockfish-derived features, scored over Maia-2-proposed candidates) captures what a typical player of a given strength would play, and a frozen copy of it anchors a learned move encoder and a per-player vector z, so that z explains only deviati","authors_text":"Jason Carlson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-23T21:06:24Z","title":"Elo-Disentangled Player-Style Embeddings for Human Chess via Rating-Conditioned Residual Move Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25176","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:e2702db1b2b47427651f7cdd9e4827c904d89a57decaaeb42ac58d6a3280079e","target":"record","created_at":"2026-06-25T00:18:20Z","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":"800d22a05a106633c536b737e3b93a068dd15b9d07077ada2e40a00d94a3c6a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-23T21:06:24Z","title_canon_sha256":"9a1a642970025ab88f51f0ac876739d63a9e2d8ad5ead99610e0b427c52834b9"},"schema_version":"1.0","source":{"id":"2606.25176","kind":"arxiv","version":1}},"canonical_sha256":"1f079e0dd1ba24a3b9b3ed40ce1137b0b96421819a72b4494806268b269851fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f079e0dd1ba24a3b9b3ed40ce1137b0b96421819a72b4494806268b269851fd","first_computed_at":"2026-06-25T00:18:20.060302Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-25T00:18:20.060302Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HWQLYfsdiqRKA2x3wAruzTWlH9l28wnuvrXrm7a9OTfTnuixPAsbdWnJpkTv10SagUD73cDqYk15JVMQiGJPCw==","signature_status":"signed_v1","signed_at":"2026-06-25T00:18:20.060673Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.25176","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e2702db1b2b47427651f7cdd9e4827c904d89a57decaaeb42ac58d6a3280079e","sha256:42158fc459c2efed9800ad22a5b45b5c887886ccdb87efb38efdb72f5eb53320"],"state_sha256":"77b9622811c65e9729eacc6b2ef870e3fa606cb1d80015a61726101e666b8f13"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D85xW2VtX+BgFpWyLe2IJSPr6GaLmBo8H6rw0S5wW3kBdeqGCSrELo+SVYLgcCT6leBDYxDVeqvf6GFUnCPoDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T15:49:47.266549Z","bundle_sha256":"9b334a960e84f9c9ec604c7a1175b99e99b9ac30c6ed197bc111129036f1a8f8"}}