{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:IGPOJU5QFFH6PNC7APEOC6C42X","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":"8bd125e4c367ff6958ccf0841d83bf0e597eb7512ff8d921252257a792d82636","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2004-08-13T09:42:18Z","title_canon_sha256":"17f2bc8b9f4772f3ce6020e28c79076f9f33d36e874056367dfc8ced734ed488"},"schema_version":"1.0","source":{"id":"gr-qc/0408040","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0408040","created_at":"2026-05-18T01:06:47Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0408040v1","created_at":"2026-05-18T01:06:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0408040","created_at":"2026-05-18T01:06:47Z"},{"alias_kind":"pith_short_12","alias_value":"IGPOJU5QFFH6","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"IGPOJU5QFFH6PNC7","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"IGPOJU5Q","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:68a55cd47e38202e3b28c21ae23ea7585f8d9190047b9c3953974a86bbb4b12f","target":"graph","created_at":"2026-05-18T01:06:47Z","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"},"paper":{"abstract_excerpt":"The speciality index, which has been mainly used in Numerical Relativity for studying gravitational waves phenomena as an indicator of the special or non-special Petrov type character of a spacetime, is applied here in the context of Mixmaster cosmology, using the Belinski-Khalatnikov-Lifshitz map. Possible applications for the associated chaotic dynamics are discussed.","authors_text":"Christian Cherubini, Donato Bini, Marco Bruni, Zoltan Perjes","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2004-08-13T09:42:18Z","title":"The Speciality Index as invariant indicator in the BKL Mixmaster Dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0408040","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":"sha256:258231caabbf9f3fa59fb6c617b843f6ffba9a3016956ade52edc709e5694862","target":"record","created_at":"2026-05-18T01:06:47Z","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":"8bd125e4c367ff6958ccf0841d83bf0e597eb7512ff8d921252257a792d82636","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2004-08-13T09:42:18Z","title_canon_sha256":"17f2bc8b9f4772f3ce6020e28c79076f9f33d36e874056367dfc8ced734ed488"},"schema_version":"1.0","source":{"id":"gr-qc/0408040","kind":"arxiv","version":1}},"canonical_sha256":"419ee4d3b0294fe7b45f03c8e1785cd5e8dff8a73e72f25d9a7617c48a6e7261","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"419ee4d3b0294fe7b45f03c8e1785cd5e8dff8a73e72f25d9a7617c48a6e7261","first_computed_at":"2026-05-18T01:06:47.229845Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:47.229845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XRioA/94Hi+k/aw9TNlvyKzYnp/kUMKQYcqrcj3k16sfRJY6NzhuleWt5hsvuNMmV5vAPfCo9mWGhtFXV01PBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:47.230499Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0408040","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:258231caabbf9f3fa59fb6c617b843f6ffba9a3016956ade52edc709e5694862","sha256:68a55cd47e38202e3b28c21ae23ea7585f8d9190047b9c3953974a86bbb4b12f"],"state_sha256":"1ff54b9c8e68a983c44c43ca83e88c053b8ec69ff488c2eb21b9f89d3623d89c"}