{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:B7BGV7T4MWKONO24HEWRTLDH7Y","short_pith_number":"pith:B7BGV7T4","schema_version":"1.0","canonical_sha256":"0fc26afe7c6594e6bb5c392d19ac67fe176ba45799d22da1f77c0eb9d51ea87b","source":{"kind":"arxiv","id":"nlin/0404040","version":1},"attestation_state":"computed","paper":{"title":"Backlund transformations for the Nizhnik-Novikov-Veselov equation","license":"","headline":"","cross_cats":[],"primary_cat":"nlin.SI","authors_text":"V.E. Vekslerchik","submitted_at":"2004-04-22T10:32:21Z","abstract_excerpt":"The Backlund transformations for the Nizhnik-Novikov-Veselov equation are presented. It is shown that these transformations can be iterated and that the resulting sequence can be described by the Volterra equations. The relationships between the Nizhnik-Novikov-Veselov equation and the Volterra hierarchy are discussed."},"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":"nlin/0404040","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nlin.SI","submitted_at":"2004-04-22T10:32:21Z","cross_cats_sorted":[],"title_canon_sha256":"a180532e23732d73f04475cb5d4e11e85527197e12cc27e7c017eb6d56d99d65","abstract_canon_sha256":"db5f6e5f2a67d8c668742e789d9cd79ad93c93f1d9dfc0b31b731aba6610e3e8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:41:13.062552Z","signature_b64":"Bg+Zm04VCnAdYENaG90O/k670e07k6rN49RhTRmsPoWGBrNDeixoBW1VVoxObEIh2+FDLl1VKI2WLvq23bY0AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0fc26afe7c6594e6bb5c392d19ac67fe176ba45799d22da1f77c0eb9d51ea87b","last_reissued_at":"2026-05-18T03:41:13.061953Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:41:13.061953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Backlund transformations for the Nizhnik-Novikov-Veselov equation","license":"","headline":"","cross_cats":[],"primary_cat":"nlin.SI","authors_text":"V.E. Vekslerchik","submitted_at":"2004-04-22T10:32:21Z","abstract_excerpt":"The Backlund transformations for the Nizhnik-Novikov-Veselov equation are presented. It is shown that these transformations can be iterated and that the resulting sequence can be described by the Volterra equations. The relationships between the Nizhnik-Novikov-Veselov equation and the Volterra hierarchy are discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nlin/0404040","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"nlin/0404040","created_at":"2026-05-18T03:41:13.062050+00:00"},{"alias_kind":"arxiv_version","alias_value":"nlin/0404040v1","created_at":"2026-05-18T03:41:13.062050+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nlin/0404040","created_at":"2026-05-18T03:41:13.062050+00:00"},{"alias_kind":"pith_short_12","alias_value":"B7BGV7T4MWKO","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_16","alias_value":"B7BGV7T4MWKONO24","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_8","alias_value":"B7BGV7T4","created_at":"2026-05-18T12:25:52.051335+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/B7BGV7T4MWKONO24HEWRTLDH7Y","json":"https://pith.science/pith/B7BGV7T4MWKONO24HEWRTLDH7Y.json","graph_json":"https://pith.science/api/pith-number/B7BGV7T4MWKONO24HEWRTLDH7Y/graph.json","events_json":"https://pith.science/api/pith-number/B7BGV7T4MWKONO24HEWRTLDH7Y/events.json","paper":"https://pith.science/paper/B7BGV7T4"},"agent_actions":{"view_html":"https://pith.science/pith/B7BGV7T4MWKONO24HEWRTLDH7Y","download_json":"https://pith.science/pith/B7BGV7T4MWKONO24HEWRTLDH7Y.json","view_paper":"https://pith.science/paper/B7BGV7T4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nlin/0404040&json=true","fetch_graph":"https://pith.science/api/pith-number/B7BGV7T4MWKONO24HEWRTLDH7Y/graph.json","fetch_events":"https://pith.science/api/pith-number/B7BGV7T4MWKONO24HEWRTLDH7Y/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B7BGV7T4MWKONO24HEWRTLDH7Y/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B7BGV7T4MWKONO24HEWRTLDH7Y/action/storage_attestation","attest_author":"https://pith.science/pith/B7BGV7T4MWKONO24HEWRTLDH7Y/action/author_attestation","sign_citation":"https://pith.science/pith/B7BGV7T4MWKONO24HEWRTLDH7Y/action/citation_signature","submit_replication":"https://pith.science/pith/B7BGV7T4MWKONO24HEWRTLDH7Y/action/replication_record"}},"created_at":"2026-05-18T03:41:13.062050+00:00","updated_at":"2026-05-18T03:41:13.062050+00:00"}