{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:FJS5FSF5Q5PEI2VQL5JGM72FCY","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":"61921aa851283ea0114bd7b0d959c07b6c6011b0f7d1736ac5174392aa19f4c8","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2005-10-19T07:07:03Z","title_canon_sha256":"224f56612672e70f4bc563f40f1fbd8c4b6b81de3c1d1171ca8b7fc0e3206d8f"},"schema_version":"1.0","source":{"id":"hep-th/0510161","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0510161","created_at":"2026-07-04T15:22:37Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0510161v2","created_at":"2026-07-04T15:22:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0510161","created_at":"2026-07-04T15:22:37Z"},{"alias_kind":"pith_short_12","alias_value":"FJS5FSF5Q5PE","created_at":"2026-07-04T15:22:37Z"},{"alias_kind":"pith_short_16","alias_value":"FJS5FSF5Q5PEI2VQ","created_at":"2026-07-04T15:22:37Z"},{"alias_kind":"pith_short_8","alias_value":"FJS5FSF5","created_at":"2026-07-04T15:22:37Z"}],"graph_snapshots":[{"event_id":"sha256:b0cdd768a3ef1eea8960b4a5fbca73b2787c1721c012c38ecb635bb5964887c4","target":"graph","created_at":"2026-07-04T15:22:37Z","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/hep-th/0510161/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider a relativistic particle model in an enlarged relativistic phase space M^{18} = (X_\\mu, P_\\mu, \\eta_\\alpha, \\oeta_\\dalpha, \\sigma_\\alpha, \\osigma_\\dalpha, e, \\phi), which is derived from the free two-twistor dynamics. The spin sector variables (\\eta_\\alpha, \\oeta_\\dalpha, \\sigma_\\alpha,\\ osigma_\\dalpha) satisfy two second class constraints and account for the relativistic spin structure, and the pair (e,\\phi) describes the electric charge sector. After introducing the Liouville one-form on M^{18}, derived by a non-linear transformation of the canonical Liouville one-form on the two-","authors_text":"Andrzej Frydryszak, Cesar Miquel-Espanya, Jerzy Lukierski, Jose A. de Azcarraga","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2005-10-19T07:07:03Z","title":"Massive relativistic particle model with spin from free two-twistor dynamics and its quantization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0510161","kind":"arxiv","version":2},"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":"sha256:85e3e977bd177898a8086a08a31c28cce098673d84f63efe4b38826cb0a56e87","target":"record","created_at":"2026-07-04T15:22:37Z","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":"61921aa851283ea0114bd7b0d959c07b6c6011b0f7d1736ac5174392aa19f4c8","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2005-10-19T07:07:03Z","title_canon_sha256":"224f56612672e70f4bc563f40f1fbd8c4b6b81de3c1d1171ca8b7fc0e3206d8f"},"schema_version":"1.0","source":{"id":"hep-th/0510161","kind":"arxiv","version":2}},"canonical_sha256":"2a65d2c8bd875e446ab05f52667f45161d41e5ba9f29b431ac91080906036188","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a65d2c8bd875e446ab05f52667f45161d41e5ba9f29b431ac91080906036188","first_computed_at":"2026-07-04T15:22:37.236350Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:22:37.236350Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8PP7KKZkLOdJkfK5iSGjah7Gq6tptFERnwM9sQpuwev2rp38aPfGhOPcuH17MTdeIFHwTYD43bxRbygiJdC7Bw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:22:37.236739Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0510161","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85e3e977bd177898a8086a08a31c28cce098673d84f63efe4b38826cb0a56e87","sha256:b0cdd768a3ef1eea8960b4a5fbca73b2787c1721c012c38ecb635bb5964887c4"],"state_sha256":"61d74d989f2d99c9889b420e5d0f837104a161dc4afb10247b4a3ba34299e649"}