{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6LYC3QLVOEGA2WU55XBBNHW5CI","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":"cc8e4513bd5afc1fe5bc333642df77a04ae89ae7907af61f986de48a2d7f19bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2013-10-05T04:24:28Z","title_canon_sha256":"ee9ac6611e2a81251e74d317fcd176da5027049ce04bc81a2fe7aea9e7860cd0"},"schema_version":"1.0","source":{"id":"1310.1440","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.1440","created_at":"2026-05-18T01:33:57Z"},{"alias_kind":"arxiv_version","alias_value":"1310.1440v3","created_at":"2026-05-18T01:33:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.1440","created_at":"2026-05-18T01:33:57Z"},{"alias_kind":"pith_short_12","alias_value":"6LYC3QLVOEGA","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6LYC3QLVOEGA2WU5","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6LYC3QLV","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:538aae2de8127194040b441a4f489668c77a661d18c8a56520d4f05b44e55d28","target":"graph","created_at":"2026-05-18T01:33:57Z","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 study strategies of approximate pattern matching that exploit bidirectional text indexes, extending and generalizing ideas of Lam et al. We introduce a formalism, called search schemes, to specify search strategies of this type, then develop a probabilistic measure for the efficiency of a search scheme, prove several combinatorial results on efficient search schemes, and finally, provide experimental computations supporting the superiority of our strategies.","authors_text":"Dekel Tsur, Gregory Kucherov, Kamil Salikhov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2013-10-05T04:24:28Z","title":"Approximate String Matching using a Bidirectional Index"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.1440","kind":"arxiv","version":3},"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":"sha256:852bbd9a4ed33ccfe4b9bec25740fe33382525728bc592a3ded030250c2b9501","target":"record","created_at":"2026-05-18T01:33:57Z","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":"cc8e4513bd5afc1fe5bc333642df77a04ae89ae7907af61f986de48a2d7f19bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2013-10-05T04:24:28Z","title_canon_sha256":"ee9ac6611e2a81251e74d317fcd176da5027049ce04bc81a2fe7aea9e7860cd0"},"schema_version":"1.0","source":{"id":"1310.1440","kind":"arxiv","version":3}},"canonical_sha256":"f2f02dc175710c0d5a9dedc2169edd123fd43aadb1391cbe6687370c812923a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f2f02dc175710c0d5a9dedc2169edd123fd43aadb1391cbe6687370c812923a9","first_computed_at":"2026-05-18T01:33:57.163306Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:57.163306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"konanre8mPlqys1rL7eozyk2VdglzfrZeAZSXCGdLuHRAZcO5wjRhUcdgXApNAPLwX8GUgWMTF6MBqa6dpYwCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:57.163751Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.1440","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:852bbd9a4ed33ccfe4b9bec25740fe33382525728bc592a3ded030250c2b9501","sha256:538aae2de8127194040b441a4f489668c77a661d18c8a56520d4f05b44e55d28"],"state_sha256":"1d562eab75d47356ae3db5186384f7f38d200799eed2a1f1c499e678ac42a4f5"}