{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZTLZBCKKSJDIIW3KY7OGLR4MIU","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":"773f18b3dd829eef8964467b7fdf9972d10e3453a846c753205c7237c3348510","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.GT","submitted_at":"2017-11-18T16:00:33Z","title_canon_sha256":"3f6e236afb0b1137862b33ac50146895395e9d3943fbf26357b36a460ba0e34f"},"schema_version":"1.0","source":{"id":"1711.06881","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.06881","created_at":"2026-05-18T00:29:36Z"},{"alias_kind":"arxiv_version","alias_value":"1711.06881v2","created_at":"2026-05-18T00:29:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.06881","created_at":"2026-05-18T00:29:36Z"},{"alias_kind":"pith_short_12","alias_value":"ZTLZBCKKSJDI","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZTLZBCKKSJDIIW3K","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZTLZBCKK","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:dc49eaa4f5d9478d4dbd55a3d64aa096f40f59f10427d4fc9ac0f3d851a1346c","target":"graph","created_at":"2026-05-18T00:29:36Z","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":"In this paper we provide a negative answer to a question of Farb about the relation between the algebraic degree of the stretch factor of a pseudo-Anosov homeomorphism and the genus of the surface on which it is defined.","authors_text":"Alan W. Reid, Christopher J Leininger","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.GT","submitted_at":"2017-11-18T16:00:33Z","title":"Pseudo-Anosov homeomorphisms not arising from branched covers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.06881","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":"sha256:2361e1404b7278dd1b2e5f3a598160c150023423d66b7da93ce2edc4a2561f5f","target":"record","created_at":"2026-05-18T00:29:36Z","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":"773f18b3dd829eef8964467b7fdf9972d10e3453a846c753205c7237c3348510","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.GT","submitted_at":"2017-11-18T16:00:33Z","title_canon_sha256":"3f6e236afb0b1137862b33ac50146895395e9d3943fbf26357b36a460ba0e34f"},"schema_version":"1.0","source":{"id":"1711.06881","kind":"arxiv","version":2}},"canonical_sha256":"ccd790894a9246845b6ac7dc65c78c45323656dd1434676790cc53277d6d55ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ccd790894a9246845b6ac7dc65c78c45323656dd1434676790cc53277d6d55ff","first_computed_at":"2026-05-18T00:29:36.373071Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:36.373071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nDeXRbi46YEJkqU66TT2BEg+y5kKnNiNEOZnN5ciC+bYyYtXOE579O7e7Msi1RW690CnwLmAsLxtCMRmvD9qBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:36.373729Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.06881","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2361e1404b7278dd1b2e5f3a598160c150023423d66b7da93ce2edc4a2561f5f","sha256:dc49eaa4f5d9478d4dbd55a3d64aa096f40f59f10427d4fc9ac0f3d851a1346c"],"state_sha256":"facf6997546972069c676d6c37dc0aa48c6bbc3c58ffa5b1495278b95712162d"}