{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:NCUAQ3MEB7IGRQAI6QVCFQLKEQ","short_pith_number":"pith:NCUAQ3ME","schema_version":"1.0","canonical_sha256":"68a8086d840fd068c008f42a22c16a24188069ae1af84668ab2b0f5e287fe6e0","source":{"kind":"arxiv","id":"1009.1021","version":4},"attestation_state":"computed","paper":{"title":"TYPE II DNA: when the interfacial energy becomes negative","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.stat-mech","authors_text":"Jaya Maji, Poulomi Sadhukhan, Somendra M. Bhattacharjee","submitted_at":"2010-09-06T11:00:34Z","abstract_excerpt":"An important step in transcription of a DNA base sequence to a protein is the initiation from the exact starting point, called promoter region. We propose a physical mechanism for identification of the promoter region, which relies on a new classification of DNAs into two types, Type-I and Type-II, like superconductors, depending on the sign of the energy of the interface separating the zipped and the unzipped phases. This is determined by the energies of helical ordering and stretching over two independent length scales. The negative interfacial energy in Type II DNA leads to domains of helic"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1009.1021","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-09-06T11:00:34Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"f2caed343db4f924f5b6d1745c48a526d56c2627d446cfcbaf503b643c5987e9","abstract_canon_sha256":"ad9553834d5a8affe80ecf1960b8d96799c8eaee05b0bc93887372d31feb59ca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:36.430195Z","signature_b64":"LH4Ori8+lHqdDewgbLsrgLLHOqcqQ1uR5zy6zvp5YLsQlX8LtyBGAFgVN8MOeW9mzh57S8RJXRlW898lZdioBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68a8086d840fd068c008f42a22c16a24188069ae1af84668ab2b0f5e287fe6e0","last_reissued_at":"2026-05-18T02:05:36.429494Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:36.429494Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"TYPE II DNA: when the interfacial energy becomes negative","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.stat-mech","authors_text":"Jaya Maji, Poulomi Sadhukhan, Somendra M. Bhattacharjee","submitted_at":"2010-09-06T11:00:34Z","abstract_excerpt":"An important step in transcription of a DNA base sequence to a protein is the initiation from the exact starting point, called promoter region. We propose a physical mechanism for identification of the promoter region, which relies on a new classification of DNAs into two types, Type-I and Type-II, like superconductors, depending on the sign of the energy of the interface separating the zipped and the unzipped phases. This is determined by the energies of helical ordering and stretching over two independent length scales. The negative interfacial energy in Type II DNA leads to domains of helic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.1021","kind":"arxiv","version":4},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1009.1021","created_at":"2026-05-18T02:05:36.429630+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.1021v4","created_at":"2026-05-18T02:05:36.429630+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.1021","created_at":"2026-05-18T02:05:36.429630+00:00"},{"alias_kind":"pith_short_12","alias_value":"NCUAQ3MEB7IG","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"NCUAQ3MEB7IGRQAI","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"NCUAQ3ME","created_at":"2026-05-18T12:26:10.704358+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NCUAQ3MEB7IGRQAI6QVCFQLKEQ","json":"https://pith.science/pith/NCUAQ3MEB7IGRQAI6QVCFQLKEQ.json","graph_json":"https://pith.science/api/pith-number/NCUAQ3MEB7IGRQAI6QVCFQLKEQ/graph.json","events_json":"https://pith.science/api/pith-number/NCUAQ3MEB7IGRQAI6QVCFQLKEQ/events.json","paper":"https://pith.science/paper/NCUAQ3ME"},"agent_actions":{"view_html":"https://pith.science/pith/NCUAQ3MEB7IGRQAI6QVCFQLKEQ","download_json":"https://pith.science/pith/NCUAQ3MEB7IGRQAI6QVCFQLKEQ.json","view_paper":"https://pith.science/paper/NCUAQ3ME","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.1021&json=true","fetch_graph":"https://pith.science/api/pith-number/NCUAQ3MEB7IGRQAI6QVCFQLKEQ/graph.json","fetch_events":"https://pith.science/api/pith-number/NCUAQ3MEB7IGRQAI6QVCFQLKEQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NCUAQ3MEB7IGRQAI6QVCFQLKEQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NCUAQ3MEB7IGRQAI6QVCFQLKEQ/action/storage_attestation","attest_author":"https://pith.science/pith/NCUAQ3MEB7IGRQAI6QVCFQLKEQ/action/author_attestation","sign_citation":"https://pith.science/pith/NCUAQ3MEB7IGRQAI6QVCFQLKEQ/action/citation_signature","submit_replication":"https://pith.science/pith/NCUAQ3MEB7IGRQAI6QVCFQLKEQ/action/replication_record"}},"created_at":"2026-05-18T02:05:36.429630+00:00","updated_at":"2026-05-18T02:05:36.429630+00:00"}