{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:EIN2CLRSP4OY6QGZEKKD7WJASU","short_pith_number":"pith:EIN2CLRS","canonical_record":{"source":{"id":"1302.3624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-02-14T21:02:06Z","cross_cats_sorted":["cond-mat.stat-mech","physics.bio-ph"],"title_canon_sha256":"eebd89e688208f949ed50054a7eb5aacf78faef4dc99c8737671522fe5c0cc70","abstract_canon_sha256":"6c970465e2f23a7f57a9a60a1b041ba87f6606c291f64e92c6da89d6629dee80"},"schema_version":"1.0"},"canonical_sha256":"221ba12e327f1d8f40d922943fd9209522c50b7015cede03d07c4ed2051e37d9","source":{"kind":"arxiv","id":"1302.3624","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.3624","created_at":"2026-05-18T03:33:36Z"},{"alias_kind":"arxiv_version","alias_value":"1302.3624v1","created_at":"2026-05-18T03:33:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.3624","created_at":"2026-05-18T03:33:36Z"},{"alias_kind":"pith_short_12","alias_value":"EIN2CLRSP4OY","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EIN2CLRSP4OY6QGZ","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EIN2CLRS","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:EIN2CLRSP4OY6QGZEKKD7WJASU","target":"record","payload":{"canonical_record":{"source":{"id":"1302.3624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-02-14T21:02:06Z","cross_cats_sorted":["cond-mat.stat-mech","physics.bio-ph"],"title_canon_sha256":"eebd89e688208f949ed50054a7eb5aacf78faef4dc99c8737671522fe5c0cc70","abstract_canon_sha256":"6c970465e2f23a7f57a9a60a1b041ba87f6606c291f64e92c6da89d6629dee80"},"schema_version":"1.0"},"canonical_sha256":"221ba12e327f1d8f40d922943fd9209522c50b7015cede03d07c4ed2051e37d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:33:36.361462Z","signature_b64":"mDAcRamwXBMxx/RzOY6+QFE8a0OdTgJd1XPWQqL5tXyujZeKQut/D+VT6EU0zoxWPagw3QSMxbPyksiAK+aeBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"221ba12e327f1d8f40d922943fd9209522c50b7015cede03d07c4ed2051e37d9","last_reissued_at":"2026-05-18T03:33:36.360805Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:33:36.360805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.3624","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":"2026-05-18T03:33:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y1JerEU0nBhWrzHKIewjS2PdMmO7qbVwnAnq0dhROuNigmys0TdVQwJiC0qKHzWgiwmJMWFOiAIeG0YaSV8XCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:37:06.482514Z"},"content_sha256":"3f8f1735f805cd83400bb2da7b971b0a6c01d584d9d99d35280f6eaeb935b8b7","schema_version":"1.0","event_id":"sha256:3f8f1735f805cd83400bb2da7b971b0a6c01d584d9d99d35280f6eaeb935b8b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:EIN2CLRSP4OY6QGZEKKD7WJASU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Knotting of linear DNA in nano-slits and nano-channels: a numerical study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","physics.bio-ph"],"primary_cat":"cond-mat.soft","authors_text":"C. Micheletti, E. Orlandini","submitted_at":"2013-02-14T21:02:06Z","abstract_excerpt":"The amount and type of self-entanglement of DNA filaments is significantly affected by spatial confinement, which is ubiquitous in biological systems. Motivated by recent advancements in single DNA molecule experiments based on nanofluidic devices, and by the introduction of algorithms capable of detecting knots in open chains, we investigate numerically the entanglement of linear, open DNA chains confined inside nano-slits. The results regard the abundance, type and length of occurring knots and are compared with recent findings for DNA inside nano-channels. In both cases, the width of the co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.3624","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":"2026-05-18T03:33:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aayLRbmNdaDYMzAHekdrgMVOGU134tDWClWyu6uD2z6syBHttGKp4bspFxJfJwDgTSUhvaU6Ua4fBUnZi4i+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:37:06.483181Z"},"content_sha256":"d68f813c3a72d22c3d9ad5808c05234d89f6599da0af3ddc614bb6072d99f01e","schema_version":"1.0","event_id":"sha256:d68f813c3a72d22c3d9ad5808c05234d89f6599da0af3ddc614bb6072d99f01e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EIN2CLRSP4OY6QGZEKKD7WJASU/bundle.json","state_url":"https://pith.science/pith/EIN2CLRSP4OY6QGZEKKD7WJASU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EIN2CLRSP4OY6QGZEKKD7WJASU/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":"2026-05-27T11:37:06Z","links":{"resolver":"https://pith.science/pith/EIN2CLRSP4OY6QGZEKKD7WJASU","bundle":"https://pith.science/pith/EIN2CLRSP4OY6QGZEKKD7WJASU/bundle.json","state":"https://pith.science/pith/EIN2CLRSP4OY6QGZEKKD7WJASU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EIN2CLRSP4OY6QGZEKKD7WJASU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:EIN2CLRSP4OY6QGZEKKD7WJASU","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":"6c970465e2f23a7f57a9a60a1b041ba87f6606c291f64e92c6da89d6629dee80","cross_cats_sorted":["cond-mat.stat-mech","physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-02-14T21:02:06Z","title_canon_sha256":"eebd89e688208f949ed50054a7eb5aacf78faef4dc99c8737671522fe5c0cc70"},"schema_version":"1.0","source":{"id":"1302.3624","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.3624","created_at":"2026-05-18T03:33:36Z"},{"alias_kind":"arxiv_version","alias_value":"1302.3624v1","created_at":"2026-05-18T03:33:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.3624","created_at":"2026-05-18T03:33:36Z"},{"alias_kind":"pith_short_12","alias_value":"EIN2CLRSP4OY","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EIN2CLRSP4OY6QGZ","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EIN2CLRS","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:d68f813c3a72d22c3d9ad5808c05234d89f6599da0af3ddc614bb6072d99f01e","target":"graph","created_at":"2026-05-18T03:33:36Z","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 amount and type of self-entanglement of DNA filaments is significantly affected by spatial confinement, which is ubiquitous in biological systems. Motivated by recent advancements in single DNA molecule experiments based on nanofluidic devices, and by the introduction of algorithms capable of detecting knots in open chains, we investigate numerically the entanglement of linear, open DNA chains confined inside nano-slits. The results regard the abundance, type and length of occurring knots and are compared with recent findings for DNA inside nano-channels. In both cases, the width of the co","authors_text":"C. Micheletti, E. Orlandini","cross_cats":["cond-mat.stat-mech","physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-02-14T21:02:06Z","title":"Knotting of linear DNA in nano-slits and nano-channels: a numerical study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.3624","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":"sha256:3f8f1735f805cd83400bb2da7b971b0a6c01d584d9d99d35280f6eaeb935b8b7","target":"record","created_at":"2026-05-18T03:33:36Z","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":"6c970465e2f23a7f57a9a60a1b041ba87f6606c291f64e92c6da89d6629dee80","cross_cats_sorted":["cond-mat.stat-mech","physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-02-14T21:02:06Z","title_canon_sha256":"eebd89e688208f949ed50054a7eb5aacf78faef4dc99c8737671522fe5c0cc70"},"schema_version":"1.0","source":{"id":"1302.3624","kind":"arxiv","version":1}},"canonical_sha256":"221ba12e327f1d8f40d922943fd9209522c50b7015cede03d07c4ed2051e37d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"221ba12e327f1d8f40d922943fd9209522c50b7015cede03d07c4ed2051e37d9","first_computed_at":"2026-05-18T03:33:36.360805Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:33:36.360805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mDAcRamwXBMxx/RzOY6+QFE8a0OdTgJd1XPWQqL5tXyujZeKQut/D+VT6EU0zoxWPagw3QSMxbPyksiAK+aeBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:33:36.361462Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.3624","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f8f1735f805cd83400bb2da7b971b0a6c01d584d9d99d35280f6eaeb935b8b7","sha256:d68f813c3a72d22c3d9ad5808c05234d89f6599da0af3ddc614bb6072d99f01e"],"state_sha256":"8b3a497de3fc0a387cc31d62d70e55612e3f623050d7ccc50f5c00219adfdfdd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UxF6i2e6YYyzChhXQA79K8ZEjopaOnb65FSGNjR1HDEatm5OqLSeej6CokHP1g8Je+bS6e834wu5E3IG08ypAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:37:06.486687Z","bundle_sha256":"15804ebf8f534da8be9f07007317e8ccdb5b19b7f24f0faa7dc2cd27ee7d774b"}}