{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:N6YNMU5SZDNA6RQXTBMWCYZETJ","short_pith_number":"pith:N6YNMU5S","canonical_record":{"source":{"id":"1506.02241","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-06-07T09:15:59Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"c0d5d87fbbc11b01c6f08df46a67645d71caf4028f31dba45a0951774e84cdab","abstract_canon_sha256":"c2f16bec49d5325d15df990062d1150b8fcc5a6bead1fc9c7b5042534e41789c"},"schema_version":"1.0"},"canonical_sha256":"6fb0d653b2c8da0f461798596163249a4720ccb74f09a594596ffc95f5b6a740","source":{"kind":"arxiv","id":"1506.02241","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.02241","created_at":"2026-05-18T01:24:03Z"},{"alias_kind":"arxiv_version","alias_value":"1506.02241v2","created_at":"2026-05-18T01:24:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.02241","created_at":"2026-05-18T01:24:03Z"},{"alias_kind":"pith_short_12","alias_value":"N6YNMU5SZDNA","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"N6YNMU5SZDNA6RQX","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"N6YNMU5S","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:N6YNMU5SZDNA6RQXTBMWCYZETJ","target":"record","payload":{"canonical_record":{"source":{"id":"1506.02241","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-06-07T09:15:59Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"c0d5d87fbbc11b01c6f08df46a67645d71caf4028f31dba45a0951774e84cdab","abstract_canon_sha256":"c2f16bec49d5325d15df990062d1150b8fcc5a6bead1fc9c7b5042534e41789c"},"schema_version":"1.0"},"canonical_sha256":"6fb0d653b2c8da0f461798596163249a4720ccb74f09a594596ffc95f5b6a740","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:03.649055Z","signature_b64":"dxFl80rUsM7kLYitWQbqAeM8/woq1v9rFfa8D93gVZqJ+5iWJmNWNWx9q8LswbjrpIQriorkeX9txNKe+eMcBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6fb0d653b2c8da0f461798596163249a4720ccb74f09a594596ffc95f5b6a740","last_reissued_at":"2026-05-18T01:24:03.648402Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:03.648402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.02241","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:24:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t648FIpcxu1ilg3pTSWool/SNYobPekZdrDh2oggFqdG2IDdKE+SWNXQsSIoMTYN9Z/WAj7AzRVxCrntEYTqBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:03:22.701613Z"},"content_sha256":"6a502861ef5a6ee8ad0d33ffd53a8abf3eaed2e3ecd526511b5cdb42bb786368","schema_version":"1.0","event_id":"sha256:6a502861ef5a6ee8ad0d33ffd53a8abf3eaed2e3ecd526511b5cdb42bb786368"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:N6YNMU5SZDNA6RQXTBMWCYZETJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extension of nano-confined DNA: quantitative comparison between experiment and theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.bio-ph","authors_text":"B. Mehlig, E. Werner, F. Westerlund, J. Fritzsche, J. O. Tegenfeldt, J. P. Beech, K. Mehlig, L. K. Nyberg, T. Ambj\\\"ornsson, V. Iarko, V. M\\\"uller","submitted_at":"2015-06-07T09:15:59Z","abstract_excerpt":"The extension of DNA confined to nanochannels has been studied intensively and in detail. Yet quantitative comparisons between experiments and model calculations are difficult because most theoretical predictions involve undetermined prefactors, and because the model parameters (contour length, Kuhn length, effective width) are difficult to compute reliably, leading to substantial uncertainties. Here we use a recent asymptotically exact theory for the DNA extension in the \"extended de Gennes regime\" that allows us to compare experimental results with theory. For this purpose we performed new e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.02241","kind":"arxiv","version":2},"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":"2026-05-18T01:24:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fVhJoHYI5qN3Vgjc8eNouvyMK6CwLwZ3roTFh6CtdvPCVQnHiiuEtDdyKE/pjQN+mgjbYesRWPDRUh2VoSjFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:03:22.702218Z"},"content_sha256":"a7b933403b047c69529a687ce5386b3e47079f06e9676719049e44d51ac02503","schema_version":"1.0","event_id":"sha256:a7b933403b047c69529a687ce5386b3e47079f06e9676719049e44d51ac02503"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N6YNMU5SZDNA6RQXTBMWCYZETJ/bundle.json","state_url":"https://pith.science/pith/N6YNMU5SZDNA6RQXTBMWCYZETJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N6YNMU5SZDNA6RQXTBMWCYZETJ/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":"2026-06-05T06:03:22Z","links":{"resolver":"https://pith.science/pith/N6YNMU5SZDNA6RQXTBMWCYZETJ","bundle":"https://pith.science/pith/N6YNMU5SZDNA6RQXTBMWCYZETJ/bundle.json","state":"https://pith.science/pith/N6YNMU5SZDNA6RQXTBMWCYZETJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N6YNMU5SZDNA6RQXTBMWCYZETJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:N6YNMU5SZDNA6RQXTBMWCYZETJ","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":"c2f16bec49d5325d15df990062d1150b8fcc5a6bead1fc9c7b5042534e41789c","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-06-07T09:15:59Z","title_canon_sha256":"c0d5d87fbbc11b01c6f08df46a67645d71caf4028f31dba45a0951774e84cdab"},"schema_version":"1.0","source":{"id":"1506.02241","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.02241","created_at":"2026-05-18T01:24:03Z"},{"alias_kind":"arxiv_version","alias_value":"1506.02241v2","created_at":"2026-05-18T01:24:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.02241","created_at":"2026-05-18T01:24:03Z"},{"alias_kind":"pith_short_12","alias_value":"N6YNMU5SZDNA","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"N6YNMU5SZDNA6RQX","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"N6YNMU5S","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:a7b933403b047c69529a687ce5386b3e47079f06e9676719049e44d51ac02503","target":"graph","created_at":"2026-05-18T01:24:03Z","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":"The extension of DNA confined to nanochannels has been studied intensively and in detail. Yet quantitative comparisons between experiments and model calculations are difficult because most theoretical predictions involve undetermined prefactors, and because the model parameters (contour length, Kuhn length, effective width) are difficult to compute reliably, leading to substantial uncertainties. Here we use a recent asymptotically exact theory for the DNA extension in the \"extended de Gennes regime\" that allows us to compare experimental results with theory. For this purpose we performed new e","authors_text":"B. Mehlig, E. Werner, F. Westerlund, J. Fritzsche, J. O. Tegenfeldt, J. P. Beech, K. Mehlig, L. K. Nyberg, T. Ambj\\\"ornsson, V. Iarko, V. M\\\"uller","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-06-07T09:15:59Z","title":"Extension of nano-confined DNA: quantitative comparison between experiment and theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.02241","kind":"arxiv","version":2},"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":"sha256:6a502861ef5a6ee8ad0d33ffd53a8abf3eaed2e3ecd526511b5cdb42bb786368","target":"record","created_at":"2026-05-18T01:24:03Z","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":"c2f16bec49d5325d15df990062d1150b8fcc5a6bead1fc9c7b5042534e41789c","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-06-07T09:15:59Z","title_canon_sha256":"c0d5d87fbbc11b01c6f08df46a67645d71caf4028f31dba45a0951774e84cdab"},"schema_version":"1.0","source":{"id":"1506.02241","kind":"arxiv","version":2}},"canonical_sha256":"6fb0d653b2c8da0f461798596163249a4720ccb74f09a594596ffc95f5b6a740","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6fb0d653b2c8da0f461798596163249a4720ccb74f09a594596ffc95f5b6a740","first_computed_at":"2026-05-18T01:24:03.648402Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:03.648402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dxFl80rUsM7kLYitWQbqAeM8/woq1v9rFfa8D93gVZqJ+5iWJmNWNWx9q8LswbjrpIQriorkeX9txNKe+eMcBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:03.649055Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.02241","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a502861ef5a6ee8ad0d33ffd53a8abf3eaed2e3ecd526511b5cdb42bb786368","sha256:a7b933403b047c69529a687ce5386b3e47079f06e9676719049e44d51ac02503"],"state_sha256":"09b983ab48445c5781eb22b8e14309bf59bc1ed55610df4dc0a2ca15e5954bd9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EYnVI9q+k1g8i/JU/GhWJThYC4NyMVQETPqmoawRnjtXFQEAvGz457ES4mz/kaA1lNb08zJ74UVRQC2GPO79Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T06:03:22.706020Z","bundle_sha256":"656ff4c532c2644d5cc245b35a21f1ae5b672ed4607acfbf4341e0bbb6d479c9"}}