{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:PDJLRCSTPJREXGMVRXPIP3KOUF","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":"a378e44f877769f19cd23ecd6a38df38faa90f91bb36f01fe5204dd72fb7e582","cross_cats_sorted":["cs.CE","q-bio"],"license":"","primary_cat":"cs.DM","submitted_at":"2003-06-16T11:54:05Z","title_canon_sha256":"200e5b3278b0f0801fb5c867dd9129d0b722286b202b27b9cc4b308bf089ce16"},"schema_version":"1.0","source":{"id":"cs/0306097","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cs/0306097","created_at":"2026-07-04T14:24:34Z"},{"alias_kind":"arxiv_version","alias_value":"cs/0306097v1","created_at":"2026-07-04T14:24:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cs/0306097","created_at":"2026-07-04T14:24:34Z"},{"alias_kind":"pith_short_12","alias_value":"PDJLRCSTPJRE","created_at":"2026-07-04T14:24:34Z"},{"alias_kind":"pith_short_16","alias_value":"PDJLRCSTPJREXGMV","created_at":"2026-07-04T14:24:34Z"},{"alias_kind":"pith_short_8","alias_value":"PDJLRCST","created_at":"2026-07-04T14:24:34Z"}],"graph_snapshots":[{"event_id":"sha256:cb8254ba20f31dfc35433538280ab131170d13d1560f769a91a65b4e6b5248e1","target":"graph","created_at":"2026-07-04T14:24:34Z","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/cs/0306097/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The measurement of the similarity of RNA secondary structures, and in general of contact structures, of a fixed length has several specific applications. For instance, it is used in the analysis of the ensemble of suboptimal secondary structures generated by a given algorithm on a given RNA sequence, and in the comparison of the secondary structures predicted by different algorithms on a given RNA molecule. It is also a useful tool in the quantitative study of sequence-structure maps. A way to measure this similarity is by means of metrics. In this paper we introduce a new class of metrics $d_","authors_text":"Francesc Rossell\\'o, Merc\\'e Llabr\\'es","cross_cats":["cs.CE","q-bio"],"headline":"","license":"","primary_cat":"cs.DM","submitted_at":"2003-06-16T11:54:05Z","title":"A family of metrics on contact structures based on edge ideals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cs/0306097","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":"sha256:1282a35895a10b8bdf008bb9ba5966ba37926ca270542789139155ba5e98dec6","target":"record","created_at":"2026-07-04T14:24:34Z","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":"a378e44f877769f19cd23ecd6a38df38faa90f91bb36f01fe5204dd72fb7e582","cross_cats_sorted":["cs.CE","q-bio"],"license":"","primary_cat":"cs.DM","submitted_at":"2003-06-16T11:54:05Z","title_canon_sha256":"200e5b3278b0f0801fb5c867dd9129d0b722286b202b27b9cc4b308bf089ce16"},"schema_version":"1.0","source":{"id":"cs/0306097","kind":"arxiv","version":1}},"canonical_sha256":"78d2b88a537a624b99958dde87ed4ea16bd1901c61711b6357a9f1d84d9b7c2f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78d2b88a537a624b99958dde87ed4ea16bd1901c61711b6357a9f1d84d9b7c2f","first_computed_at":"2026-07-04T14:24:34.402550Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:24:34.402550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BdkgGOB+CDUMRij9xJMmApRev/IjDfDxfi1qZP1YVUmIrlF51ARNe72Xh4aCgIaIpgBwA0nTOCBC39UTzTvuDw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:24:34.402987Z","signed_message":"canonical_sha256_bytes"},"source_id":"cs/0306097","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1282a35895a10b8bdf008bb9ba5966ba37926ca270542789139155ba5e98dec6","sha256:cb8254ba20f31dfc35433538280ab131170d13d1560f769a91a65b4e6b5248e1"],"state_sha256":"4e4a9171c6fa9f42e422c0524481814e3db67fe6dafa0bf6f57f4b6d6d98dfd4"}