{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:SFCD2GLI5QV6K77B5XYZK36AIP","short_pith_number":"pith:SFCD2GLI","canonical_record":{"source":{"id":"1405.0509","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2014-05-02T20:49:43Z","cross_cats_sorted":["cond-mat.soft","q-bio.BM"],"title_canon_sha256":"e823a9574ee46e127afc5231197866d69a94bf53d0da3ea4184807b8f26a0cae","abstract_canon_sha256":"5249e87338b4122c8ab02d974ee084e938284fb01a201d45a40a2052c6f62e4a"},"schema_version":"1.0"},"canonical_sha256":"91443d1968ec2be57fe1edf1956fc043c2d16d64b0467714f0cde8a5e0da1968","source":{"kind":"arxiv","id":"1405.0509","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.0509","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"arxiv_version","alias_value":"1405.0509v1","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.0509","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"pith_short_12","alias_value":"SFCD2GLI5QV6","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SFCD2GLI5QV6K77B","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SFCD2GLI","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:SFCD2GLI5QV6K77B5XYZK36AIP","target":"record","payload":{"canonical_record":{"source":{"id":"1405.0509","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2014-05-02T20:49:43Z","cross_cats_sorted":["cond-mat.soft","q-bio.BM"],"title_canon_sha256":"e823a9574ee46e127afc5231197866d69a94bf53d0da3ea4184807b8f26a0cae","abstract_canon_sha256":"5249e87338b4122c8ab02d974ee084e938284fb01a201d45a40a2052c6f62e4a"},"schema_version":"1.0"},"canonical_sha256":"91443d1968ec2be57fe1edf1956fc043c2d16d64b0467714f0cde8a5e0da1968","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:44.163104Z","signature_b64":"I7Ifh9CUz0iRYZ449zSde9ET+CePstwZsmLT1RpE92guS3boWSsBNI3gFCL666U5/VbC5WUv/dVn+N2aYzp8CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"91443d1968ec2be57fe1edf1956fc043c2d16d64b0467714f0cde8a5e0da1968","last_reissued_at":"2026-05-18T02:38:44.162549Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:44.162549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.0509","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":"2026-05-18T02:38:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rje1sHE8EjHIgdMoPVA36aFD1L9wANhmGRyoDyUnPr2k4KfHxOtD50hF6sVt8bfHUjp2LXRq7cgDSjh3O2LRCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:28:47.282642Z"},"content_sha256":"0cea1d2ae245299713376cf93a487c9f9d24fb3449346a385f2991e622fb9933","schema_version":"1.0","event_id":"sha256:0cea1d2ae245299713376cf93a487c9f9d24fb3449346a385f2991e622fb9933"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:SFCD2GLI5QV6K77B5XYZK36AIP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing the elastic limit of DNA bending","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":"Harold D. Kim, Tung T. Le","submitted_at":"2014-05-02T20:49:43Z","abstract_excerpt":"Many structures inside the cell such as nucleosomes and protein-mediated DNA loops contain sharply bent double-stranded (ds) DNA. Therefore, the energetics of strong dsDNA bending constitutes an essential part of cellular thermodynamics. Although the thermomechanical behavior of long dsDNA is well described by the worm-like chain (WLC) model, the length limit of such elastic behavior remains controversial. To investigate the energetics of strong dsDNA bending, we measured the opening rate of small dsDNA loops with contour lengths of 40-200 bp using Fluorescence Resonance Energy Transfer (FRET)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.0509","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":"2026-05-18T02:38:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LlQATDGflseJKHGMTxQ3lWxEbRNvBKDKm3u3cj9JRYOlkrUwZja6qMHdUerEZQABmDT/gufOb3JAs3WaIfkMDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:28:47.283235Z"},"content_sha256":"651e9123f213b5b060a14e9b7a4f8daae33714991a38218d0dfe0875c212a914","schema_version":"1.0","event_id":"sha256:651e9123f213b5b060a14e9b7a4f8daae33714991a38218d0dfe0875c212a914"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SFCD2GLI5QV6K77B5XYZK36AIP/bundle.json","state_url":"https://pith.science/pith/SFCD2GLI5QV6K77B5XYZK36AIP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SFCD2GLI5QV6K77B5XYZK36AIP/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":"2026-07-07T06:28:47Z","links":{"resolver":"https://pith.science/pith/SFCD2GLI5QV6K77B5XYZK36AIP","bundle":"https://pith.science/pith/SFCD2GLI5QV6K77B5XYZK36AIP/bundle.json","state":"https://pith.science/pith/SFCD2GLI5QV6K77B5XYZK36AIP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SFCD2GLI5QV6K77B5XYZK36AIP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:SFCD2GLI5QV6K77B5XYZK36AIP","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":"5249e87338b4122c8ab02d974ee084e938284fb01a201d45a40a2052c6f62e4a","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":"2014-05-02T20:49:43Z","title_canon_sha256":"e823a9574ee46e127afc5231197866d69a94bf53d0da3ea4184807b8f26a0cae"},"schema_version":"1.0","source":{"id":"1405.0509","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.0509","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"arxiv_version","alias_value":"1405.0509v1","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.0509","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"pith_short_12","alias_value":"SFCD2GLI5QV6","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SFCD2GLI5QV6K77B","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SFCD2GLI","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:651e9123f213b5b060a14e9b7a4f8daae33714991a38218d0dfe0875c212a914","target":"graph","created_at":"2026-05-18T02:38:44Z","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":"Many structures inside the cell such as nucleosomes and protein-mediated DNA loops contain sharply bent double-stranded (ds) DNA. Therefore, the energetics of strong dsDNA bending constitutes an essential part of cellular thermodynamics. Although the thermomechanical behavior of long dsDNA is well described by the worm-like chain (WLC) model, the length limit of such elastic behavior remains controversial. To investigate the energetics of strong dsDNA bending, we measured the opening rate of small dsDNA loops with contour lengths of 40-200 bp using Fluorescence Resonance Energy Transfer (FRET)","authors_text":"Harold D. Kim, Tung T. Le","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":"2014-05-02T20:49:43Z","title":"Probing the elastic limit of DNA bending"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.0509","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":"sha256:0cea1d2ae245299713376cf93a487c9f9d24fb3449346a385f2991e622fb9933","target":"record","created_at":"2026-05-18T02:38:44Z","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":"5249e87338b4122c8ab02d974ee084e938284fb01a201d45a40a2052c6f62e4a","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":"2014-05-02T20:49:43Z","title_canon_sha256":"e823a9574ee46e127afc5231197866d69a94bf53d0da3ea4184807b8f26a0cae"},"schema_version":"1.0","source":{"id":"1405.0509","kind":"arxiv","version":1}},"canonical_sha256":"91443d1968ec2be57fe1edf1956fc043c2d16d64b0467714f0cde8a5e0da1968","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"91443d1968ec2be57fe1edf1956fc043c2d16d64b0467714f0cde8a5e0da1968","first_computed_at":"2026-05-18T02:38:44.162549Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:44.162549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I7Ifh9CUz0iRYZ449zSde9ET+CePstwZsmLT1RpE92guS3boWSsBNI3gFCL666U5/VbC5WUv/dVn+N2aYzp8CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:44.163104Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.0509","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0cea1d2ae245299713376cf93a487c9f9d24fb3449346a385f2991e622fb9933","sha256:651e9123f213b5b060a14e9b7a4f8daae33714991a38218d0dfe0875c212a914"],"state_sha256":"9788c6e9687c2b1f3d3c4d2a8d35cfd099d1f620b4c37d698112c2f8bcf4c289"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4q9+OGJeDQg1+OU0y5ePE7RbKW9V+zpdY6b0DlBne/zVIVkXbZruyttj9AXy/9TJZVUJLt+YxCvW5dfEuSw/Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T06:28:47.286309Z","bundle_sha256":"52da3244e0b8fa0c2b080f1049ff9c68d41f8af1897f3ebe0e7017c5b090ca40"}}