{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:YLQXPUMR7W67I5GB64IIGQDO5A","short_pith_number":"pith:YLQXPUMR","canonical_record":{"source":{"id":"1007.2513","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.QM","submitted_at":"2010-07-15T09:24:02Z","cross_cats_sorted":["math.GT","q-bio.BM"],"title_canon_sha256":"4cfeb048833c7110d0e7cc6f99e95e583a62aaf2d045c64b6c3217595ab8f001","abstract_canon_sha256":"c68e8a2cf5c7ebe23eb0c13afdeecf0acca3e50ac1506fdfa14f92db3d6f506a"},"schema_version":"1.0"},"canonical_sha256":"c2e177d191fdbdf474c1f71083406ee80d207773b671c326815973b6c9aaa4b5","source":{"kind":"arxiv","id":"1007.2513","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.2513","created_at":"2026-05-18T04:19:33Z"},{"alias_kind":"arxiv_version","alias_value":"1007.2513v3","created_at":"2026-05-18T04:19:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.2513","created_at":"2026-05-18T04:19:33Z"},{"alias_kind":"pith_short_12","alias_value":"YLQXPUMR7W67","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"YLQXPUMR7W67I5GB","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"YLQXPUMR","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:YLQXPUMR7W67I5GB64IIGQDO5A","target":"record","payload":{"canonical_record":{"source":{"id":"1007.2513","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.QM","submitted_at":"2010-07-15T09:24:02Z","cross_cats_sorted":["math.GT","q-bio.BM"],"title_canon_sha256":"4cfeb048833c7110d0e7cc6f99e95e583a62aaf2d045c64b6c3217595ab8f001","abstract_canon_sha256":"c68e8a2cf5c7ebe23eb0c13afdeecf0acca3e50ac1506fdfa14f92db3d6f506a"},"schema_version":"1.0"},"canonical_sha256":"c2e177d191fdbdf474c1f71083406ee80d207773b671c326815973b6c9aaa4b5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:33.469725Z","signature_b64":"M7La5L6BffLbASTs5QYUqHBXVuv3GeazJ1P7Digk41yOH2Kl5j1N1TBwEdtTIZMIqYsxUl5swUarjS6u0lHJCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2e177d191fdbdf474c1f71083406ee80d207773b671c326815973b6c9aaa4b5","last_reissued_at":"2026-05-18T04:19:33.469290Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:33.469290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.2513","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:19:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O0JFvNvyJCwKgqvkwtn5qdHoySTaEwYpG/8y6WxJhOnOs9voBmTNfGTW9aspg/dWYMOs1NWWzP5Isn7hwMsKCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T17:26:51.523162Z"},"content_sha256":"816188250180511ced5e1d567aac5ea3e93137f12dd0ad50c78d2a78e82dda4f","schema_version":"1.0","event_id":"sha256:816188250180511ced5e1d567aac5ea3e93137f12dd0ad50c78d2a78e82dda4f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:YLQXPUMR7W67I5GB64IIGQDO5A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Predicting Knot and Catenane Type of Products of Site-specific Recombination on Twist Knot Substrates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.GT","q-bio.BM"],"primary_cat":"q-bio.QM","authors_text":"Dorothy Buck, Karin Valencia","submitted_at":"2010-07-15T09:24:02Z","abstract_excerpt":"Site-specific recombination on supercoiled circular DNA molecules can yield a variety of knots and catenanes. Twist knots are some of the most common conformations of these products and they can act as substrates for further rounds of site-specific recombination. They are also one of the simplest families of knots and catenanes. Yet, our systematic understanding of their implication in DNA and important cellular processes like site-specific recombination is very limited. Here we present a topological model of site-specific recombination characterising all possible products of this reaction on "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.2513","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:19:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ePyKaoC4vV2p2KAbexPd7bkI8QVNHLUk8Ct9ojV1eQWmYrIclEjzlIDFphWidI7fd/BCed7v4WvOLBrlu9u/CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T17:26:51.523534Z"},"content_sha256":"cde0a3038e81307f676a3353447fa3e312ce8fa09e09bc2a5923958f5f8c2a82","schema_version":"1.0","event_id":"sha256:cde0a3038e81307f676a3353447fa3e312ce8fa09e09bc2a5923958f5f8c2a82"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YLQXPUMR7W67I5GB64IIGQDO5A/bundle.json","state_url":"https://pith.science/pith/YLQXPUMR7W67I5GB64IIGQDO5A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YLQXPUMR7W67I5GB64IIGQDO5A/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-20T17:26:51Z","links":{"resolver":"https://pith.science/pith/YLQXPUMR7W67I5GB64IIGQDO5A","bundle":"https://pith.science/pith/YLQXPUMR7W67I5GB64IIGQDO5A/bundle.json","state":"https://pith.science/pith/YLQXPUMR7W67I5GB64IIGQDO5A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YLQXPUMR7W67I5GB64IIGQDO5A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:YLQXPUMR7W67I5GB64IIGQDO5A","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":"c68e8a2cf5c7ebe23eb0c13afdeecf0acca3e50ac1506fdfa14f92db3d6f506a","cross_cats_sorted":["math.GT","q-bio.BM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.QM","submitted_at":"2010-07-15T09:24:02Z","title_canon_sha256":"4cfeb048833c7110d0e7cc6f99e95e583a62aaf2d045c64b6c3217595ab8f001"},"schema_version":"1.0","source":{"id":"1007.2513","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.2513","created_at":"2026-05-18T04:19:33Z"},{"alias_kind":"arxiv_version","alias_value":"1007.2513v3","created_at":"2026-05-18T04:19:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.2513","created_at":"2026-05-18T04:19:33Z"},{"alias_kind":"pith_short_12","alias_value":"YLQXPUMR7W67","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"YLQXPUMR7W67I5GB","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"YLQXPUMR","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:cde0a3038e81307f676a3353447fa3e312ce8fa09e09bc2a5923958f5f8c2a82","target":"graph","created_at":"2026-05-18T04:19:33Z","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":"Site-specific recombination on supercoiled circular DNA molecules can yield a variety of knots and catenanes. Twist knots are some of the most common conformations of these products and they can act as substrates for further rounds of site-specific recombination. They are also one of the simplest families of knots and catenanes. Yet, our systematic understanding of their implication in DNA and important cellular processes like site-specific recombination is very limited. Here we present a topological model of site-specific recombination characterising all possible products of this reaction on ","authors_text":"Dorothy Buck, Karin Valencia","cross_cats":["math.GT","q-bio.BM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.QM","submitted_at":"2010-07-15T09:24:02Z","title":"Predicting Knot and Catenane Type of Products of Site-specific Recombination on Twist Knot Substrates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.2513","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":"sha256:816188250180511ced5e1d567aac5ea3e93137f12dd0ad50c78d2a78e82dda4f","target":"record","created_at":"2026-05-18T04:19:33Z","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":"c68e8a2cf5c7ebe23eb0c13afdeecf0acca3e50ac1506fdfa14f92db3d6f506a","cross_cats_sorted":["math.GT","q-bio.BM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.QM","submitted_at":"2010-07-15T09:24:02Z","title_canon_sha256":"4cfeb048833c7110d0e7cc6f99e95e583a62aaf2d045c64b6c3217595ab8f001"},"schema_version":"1.0","source":{"id":"1007.2513","kind":"arxiv","version":3}},"canonical_sha256":"c2e177d191fdbdf474c1f71083406ee80d207773b671c326815973b6c9aaa4b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2e177d191fdbdf474c1f71083406ee80d207773b671c326815973b6c9aaa4b5","first_computed_at":"2026-05-18T04:19:33.469290Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:19:33.469290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M7La5L6BffLbASTs5QYUqHBXVuv3GeazJ1P7Digk41yOH2Kl5j1N1TBwEdtTIZMIqYsxUl5swUarjS6u0lHJCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:19:33.469725Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.2513","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:816188250180511ced5e1d567aac5ea3e93137f12dd0ad50c78d2a78e82dda4f","sha256:cde0a3038e81307f676a3353447fa3e312ce8fa09e09bc2a5923958f5f8c2a82"],"state_sha256":"8b1cf1d0e53a74a9167283185b3ab3e5c661fa7cd841858ba47278298580be49"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9yZOKlYkcaxHQ7tHR/+PJg3aAwT5g22I9GJwgg1ttUekw22Vsd+UqxIbE03TEkyLuyX99SSTC+7p30rixvQGBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T17:26:51.525437Z","bundle_sha256":"0655164de4c3bb4e7e9459dd6d6264a91b6e32a7f236743b09b1d34446fe9530"}}