{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:4X5IFWTWO6GJI7M66XBVCJ6OJR","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":"2731bec74bf647d3637111c9f8c4a82c70bc430542bed1048e33b62100338b6e","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2008-12-17T16:38:59Z","title_canon_sha256":"62e8f67052086596ba2a6279101709d966886b77effd9c12a49407bd55bd4425"},"schema_version":"1.0","source":{"id":"0812.3335","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.3335","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"arxiv_version","alias_value":"0812.3335v1","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.3335","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"pith_short_12","alias_value":"4X5IFWTWO6GJ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"4X5IFWTWO6GJI7M6","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"4X5IFWTW","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:55b474fca1b07957d4dcdd3da5d23b6aaeaf0496f911d693eaf6bb717e369a1b","target":"graph","created_at":"2026-05-18T02:15:04Z","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":"Combining two-color infared pump-probe spectroscopy and anharmonic force field calculations we characterize the anharmonic coupling patterns between fingerprint modes and the hydrogen-bonded symmetric NH$_2$ stretching vibration in adenine-thymine dA$_{20}$-dT$_{20}$ DNA oligomers. Specifically, it is shown that the anharmonic coupling between the NH$_2$ bending and the CO stretching vibration, both absorbing around 1665 cm-1, can be used to assign the NH$_2$ fundamental transition at 3215 cm-1 despite the broad background absorption of water.","authors_text":"G. M. Krishnan, H. Fidder, K. Heyne, N. Do\\v{s}li\\'c, O. K\\\"uhn","cross_cats":["physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2008-12-17T16:38:59Z","title":"Anharmonic Vibrational Dynamics of DNA Oligomers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.3335","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":"sha256:2cd694b3c9a4066dc6a6310e8efa3e3c2b528e5d35a1e7cfc72699d3a720b42f","target":"record","created_at":"2026-05-18T02:15:04Z","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":"2731bec74bf647d3637111c9f8c4a82c70bc430542bed1048e33b62100338b6e","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2008-12-17T16:38:59Z","title_canon_sha256":"62e8f67052086596ba2a6279101709d966886b77effd9c12a49407bd55bd4425"},"schema_version":"1.0","source":{"id":"0812.3335","kind":"arxiv","version":1}},"canonical_sha256":"e5fa82da76778c947d9ef5c35127ce4c54600b0e0e068aeb0e54c98ffdc87c88","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5fa82da76778c947d9ef5c35127ce4c54600b0e0e068aeb0e54c98ffdc87c88","first_computed_at":"2026-05-18T02:15:04.520569Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:04.520569Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pEVJ0birM2ZpBc9Tj+jrJTW8SXL6V40bDD0QnR3wGWeTqrl2qM9KK/kBdgQoAGntoY/0tKTl7c6Z7+czWQ5SDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:04.521092Z","signed_message":"canonical_sha256_bytes"},"source_id":"0812.3335","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2cd694b3c9a4066dc6a6310e8efa3e3c2b528e5d35a1e7cfc72699d3a720b42f","sha256:55b474fca1b07957d4dcdd3da5d23b6aaeaf0496f911d693eaf6bb717e369a1b"],"state_sha256":"5713abd211c6d45cd1e3adba50ec818fa12e6c4bd4c4a4139e8066a170e6cd92"}