{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:TW7IN7SYHBWT7WNUMEJIMK6T6M","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":"ae09422d53f5c00a69b26c0c7300d215f3fee31ee2597986e5d792f82e611bc8","cross_cats_sorted":["physics.bio-ph","q-bio.BM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-05-09T08:18:11Z","title_canon_sha256":"b0646d920f08dff150f175646bff81801c87b6ce7ebfa38985d478782067cadc"},"schema_version":"1.0","source":{"id":"1705.03226","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03226","created_at":"2026-05-18T00:31:12Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03226v2","created_at":"2026-05-18T00:31:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03226","created_at":"2026-05-18T00:31:12Z"},{"alias_kind":"pith_short_12","alias_value":"TW7IN7SYHBWT","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TW7IN7SYHBWT7WNU","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TW7IN7SY","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:dce0803202d44739731a555c20b4314da6a0f36497dd7523fe215722b89fe5f3","target":"graph","created_at":"2026-05-18T00:31:12Z","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 spreading and regulation of epigenetic marks on chromosomes is crucial to establish and maintain cellular identity. Nonetheless, the dynamical mechanism leading to the establishment and maintenance of a given, cell-line specific, epigenetic pattern is still poorly understood. In this work we propose, and investigate in silico, a possible experimental strategy to illuminate the interplay between 3D chromatin structure and epigenetic dynamics. We consider a set-up where a reconstituted chromatin fibre is stretched at its two ends (e.g., by laser tweezers), while epigenetic enzymes (writers) ","authors_text":"Davide Marenduzzo, Davide Michieletto, Enzo Orlandini","cross_cats":["physics.bio-ph","q-bio.BM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-05-09T08:18:11Z","title":"Epigenetic Transitions and Knotted Solitons in Stretched Chromatin"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03226","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":"sha256:19e1aa29fa598a679571d3a75978d026b75c0b930911cf345d3b0a5fced3a31b","target":"record","created_at":"2026-05-18T00:31:12Z","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":"ae09422d53f5c00a69b26c0c7300d215f3fee31ee2597986e5d792f82e611bc8","cross_cats_sorted":["physics.bio-ph","q-bio.BM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-05-09T08:18:11Z","title_canon_sha256":"b0646d920f08dff150f175646bff81801c87b6ce7ebfa38985d478782067cadc"},"schema_version":"1.0","source":{"id":"1705.03226","kind":"arxiv","version":2}},"canonical_sha256":"9dbe86fe58386d3fd9b46112862bd3f3307a893610560037d4fffbfceffc614a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9dbe86fe58386d3fd9b46112862bd3f3307a893610560037d4fffbfceffc614a","first_computed_at":"2026-05-18T00:31:12.885974Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:12.885974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ETn1QohOmB1Sudz7Rm/71BfDctfXCdML1Rowr+PP/CvdSF68FPlQ3h/FQtj+RXuLZ5ZrQNwSmFcqW4fBc9XGCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:12.886685Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.03226","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19e1aa29fa598a679571d3a75978d026b75c0b930911cf345d3b0a5fced3a31b","sha256:dce0803202d44739731a555c20b4314da6a0f36497dd7523fe215722b89fe5f3"],"state_sha256":"0aa19507b0ca59ae35d87edc6efe531a2d58870d2918332cb50ea797733c7eef"}