{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:4TES354RC4HQPWTOBSS64XLGWK","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":"cb2e5c6740688696d5c967809b4bbaaa9ed6f83c657af7660b0f6d1a5c77c838","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2011-07-06T09:47:25Z","title_canon_sha256":"2d5ab211ab4ce0cc68fa48913e4b5a1eacd204a49304abf0b5d55adec4cff973"},"schema_version":"1.0","source":{"id":"1107.1076","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.1076","created_at":"2026-05-18T04:18:45Z"},{"alias_kind":"arxiv_version","alias_value":"1107.1076v1","created_at":"2026-05-18T04:18:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.1076","created_at":"2026-05-18T04:18:45Z"},{"alias_kind":"pith_short_12","alias_value":"4TES354RC4HQ","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4TES354RC4HQPWTO","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4TES354R","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:17082734edb519d0648ffad0e60966b24264f25c5172afd2daafc5467d8fead2","target":"graph","created_at":"2026-05-18T04:18:45Z","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":"We address the problem of finding the minimal number of block interchanges (exchange of two intervals) required to transform a duplicated linear genome into a tandem duplicated linear genome. We provide a formula for the distance as well as a polynomial time algorithm for the sorting problem.","authors_text":"A\\\"ida Ouangraoua, Antoine Thomas, Jean-St\\'ephane Varr\\'e","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2011-07-06T09:47:25Z","title":"Genome Halving by Block Interchange"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.1076","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":"sha256:29854a38eab8d9555de055141534ae1af2fdb13f47219a28eab4e591725db49b","target":"record","created_at":"2026-05-18T04:18:45Z","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":"cb2e5c6740688696d5c967809b4bbaaa9ed6f83c657af7660b0f6d1a5c77c838","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2011-07-06T09:47:25Z","title_canon_sha256":"2d5ab211ab4ce0cc68fa48913e4b5a1eacd204a49304abf0b5d55adec4cff973"},"schema_version":"1.0","source":{"id":"1107.1076","kind":"arxiv","version":1}},"canonical_sha256":"e4c92df791170f07da6e0ca5ee5d66b2a5e3a8b10be0151ed368689c8c8fb54d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e4c92df791170f07da6e0ca5ee5d66b2a5e3a8b10be0151ed368689c8c8fb54d","first_computed_at":"2026-05-18T04:18:45.683267Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:18:45.683267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y4GmszwBkF2NodkS49n6IIp1kgHZqknjzr+hJVWm440YygyVFUYzJtH7hZx6ofq7y0w0sbCZT33+0Fgvk1bNBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:18:45.683708Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.1076","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29854a38eab8d9555de055141534ae1af2fdb13f47219a28eab4e591725db49b","sha256:17082734edb519d0648ffad0e60966b24264f25c5172afd2daafc5467d8fead2"],"state_sha256":"a06f362d00eea3cf3c768feb8f61cacf7e63008a28f75f75a15d9d2b0ad8a0cc"}