{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:H72YUKWN7S3RFAL64IOA4QBXRC","short_pith_number":"pith:H72YUKWN","canonical_record":{"source":{"id":"1312.3238","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2013-12-11T16:58:15Z","cross_cats_sorted":["cond-mat.soft","q-bio.BM"],"title_canon_sha256":"525e10bca19bb28469f6410f0038209897a7e5d595a36bdab31c0b9e69203d29","abstract_canon_sha256":"ed02a1d813d4c4a51dd49b50cbc31004e32698121655838f26b81eb1c842f457"},"schema_version":"1.0"},"canonical_sha256":"3ff58a2acdfcb712817ee21c0e4037889dbcc6a0cff185f6650ad89f390836b7","source":{"kind":"arxiv","id":"1312.3238","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.3238","created_at":"2026-05-18T03:05:00Z"},{"alias_kind":"arxiv_version","alias_value":"1312.3238v1","created_at":"2026-05-18T03:05:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.3238","created_at":"2026-05-18T03:05:00Z"},{"alias_kind":"pith_short_12","alias_value":"H72YUKWN7S3R","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"H72YUKWN7S3RFAL6","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"H72YUKWN","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:H72YUKWN7S3RFAL64IOA4QBXRC","target":"record","payload":{"canonical_record":{"source":{"id":"1312.3238","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2013-12-11T16:58:15Z","cross_cats_sorted":["cond-mat.soft","q-bio.BM"],"title_canon_sha256":"525e10bca19bb28469f6410f0038209897a7e5d595a36bdab31c0b9e69203d29","abstract_canon_sha256":"ed02a1d813d4c4a51dd49b50cbc31004e32698121655838f26b81eb1c842f457"},"schema_version":"1.0"},"canonical_sha256":"3ff58a2acdfcb712817ee21c0e4037889dbcc6a0cff185f6650ad89f390836b7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:05:00.130892Z","signature_b64":"K5d/YmVaNUitpKznVfUtpgkfpx1UgqUJFP+wP2rxoU6yn5VGjqPm2fkieqftFsJVDQXNUUsBRi5KLdLpNLplBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ff58a2acdfcb712817ee21c0e4037889dbcc6a0cff185f6650ad89f390836b7","last_reissued_at":"2026-05-18T03:05:00.130366Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:05:00.130366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.3238","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:05:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NJw24q83GbYQjfIjn4NlnTA/MbP7BJHr+xdmW7kj/9dSRJwXJwV4koS8iluT18DUDVha4iDp7nS8X/moFWW1BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T05:36:37.291405Z"},"content_sha256":"5cfa45caa5dc9954d3582ef49bd2d0e768099b9f362cd29c0c099fc270185d90","schema_version":"1.0","event_id":"sha256:5cfa45caa5dc9954d3582ef49bd2d0e768099b9f362cd29c0c099fc270185d90"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:H72YUKWN7S3RFAL64IOA4QBXRC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unzipping of DNA under the influence of external fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft","q-bio.BM"],"primary_cat":"physics.bio-ph","authors_text":"A. E. Bergues-Pupo, F. Falo, J. M. Bergues","submitted_at":"2013-12-11T16:58:15Z","abstract_excerpt":"We study the features on the unzipping process of a modified version of the Peyrard-Bishop- Dauxois model. We show that the inclusion of a barrier in the on-site potential allows for the existence of stable domain wall solutions between open and closed regions of the DNA chain. We analyze the linear stability of such solutions and study their relevance in the dynamical behavior of DNA under ac forces."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.3238","kind":"arxiv","version":1},"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":"2026-05-18T03:05:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J+F3Ap9TrLLlQP15AqughVl8NigT532T4Md7cBKBWOcyskPdyzhQeMghuEH3s2f3MSW42GLsqqdwnjbLgmCrCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T05:36:37.291751Z"},"content_sha256":"c4c7360a02dcbb30e5d7ac1650a1f6d12fe6d638c95239f336799d62c92660ef","schema_version":"1.0","event_id":"sha256:c4c7360a02dcbb30e5d7ac1650a1f6d12fe6d638c95239f336799d62c92660ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H72YUKWN7S3RFAL64IOA4QBXRC/bundle.json","state_url":"https://pith.science/pith/H72YUKWN7S3RFAL64IOA4QBXRC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H72YUKWN7S3RFAL64IOA4QBXRC/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":"2026-06-12T05:36:37Z","links":{"resolver":"https://pith.science/pith/H72YUKWN7S3RFAL64IOA4QBXRC","bundle":"https://pith.science/pith/H72YUKWN7S3RFAL64IOA4QBXRC/bundle.json","state":"https://pith.science/pith/H72YUKWN7S3RFAL64IOA4QBXRC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H72YUKWN7S3RFAL64IOA4QBXRC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:H72YUKWN7S3RFAL64IOA4QBXRC","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":"ed02a1d813d4c4a51dd49b50cbc31004e32698121655838f26b81eb1c842f457","cross_cats_sorted":["cond-mat.soft","q-bio.BM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2013-12-11T16:58:15Z","title_canon_sha256":"525e10bca19bb28469f6410f0038209897a7e5d595a36bdab31c0b9e69203d29"},"schema_version":"1.0","source":{"id":"1312.3238","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.3238","created_at":"2026-05-18T03:05:00Z"},{"alias_kind":"arxiv_version","alias_value":"1312.3238v1","created_at":"2026-05-18T03:05:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.3238","created_at":"2026-05-18T03:05:00Z"},{"alias_kind":"pith_short_12","alias_value":"H72YUKWN7S3R","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"H72YUKWN7S3RFAL6","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"H72YUKWN","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:c4c7360a02dcbb30e5d7ac1650a1f6d12fe6d638c95239f336799d62c92660ef","target":"graph","created_at":"2026-05-18T03:05:00Z","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 the features on the unzipping process of a modified version of the Peyrard-Bishop- Dauxois model. We show that the inclusion of a barrier in the on-site potential allows for the existence of stable domain wall solutions between open and closed regions of the DNA chain. We analyze the linear stability of such solutions and study their relevance in the dynamical behavior of DNA under ac forces.","authors_text":"A. E. Bergues-Pupo, F. Falo, J. M. Bergues","cross_cats":["cond-mat.soft","q-bio.BM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2013-12-11T16:58:15Z","title":"Unzipping of DNA under the influence of external fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.3238","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":"sha256:5cfa45caa5dc9954d3582ef49bd2d0e768099b9f362cd29c0c099fc270185d90","target":"record","created_at":"2026-05-18T03:05:00Z","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":"ed02a1d813d4c4a51dd49b50cbc31004e32698121655838f26b81eb1c842f457","cross_cats_sorted":["cond-mat.soft","q-bio.BM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2013-12-11T16:58:15Z","title_canon_sha256":"525e10bca19bb28469f6410f0038209897a7e5d595a36bdab31c0b9e69203d29"},"schema_version":"1.0","source":{"id":"1312.3238","kind":"arxiv","version":1}},"canonical_sha256":"3ff58a2acdfcb712817ee21c0e4037889dbcc6a0cff185f6650ad89f390836b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ff58a2acdfcb712817ee21c0e4037889dbcc6a0cff185f6650ad89f390836b7","first_computed_at":"2026-05-18T03:05:00.130366Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:05:00.130366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K5d/YmVaNUitpKznVfUtpgkfpx1UgqUJFP+wP2rxoU6yn5VGjqPm2fkieqftFsJVDQXNUUsBRi5KLdLpNLplBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:05:00.130892Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.3238","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5cfa45caa5dc9954d3582ef49bd2d0e768099b9f362cd29c0c099fc270185d90","sha256:c4c7360a02dcbb30e5d7ac1650a1f6d12fe6d638c95239f336799d62c92660ef"],"state_sha256":"ac8fd3ba1eaff61acc8e884cb41143f6b0c31cd48fb7d9d55bd8d38b84531825"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"43Lx6KL9QH9EO4QRmvMq9sqUgea1Ws7uPESt6MKqy045uwWyfiKYgq5k37EwZeOK7aAFggKmJVKADz0Ewlw2Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T05:36:37.293646Z","bundle_sha256":"598b8a309c28ac9f72004adc9ee2a36b3302fa5c13c39a1d7931184209975179"}}