{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2002:76NB4PXEV2ZJO36QJ64ZCD5EIQ","short_pith_number":"pith:76NB4PXE","schema_version":"1.0","canonical_sha256":"ff9a1e3ee4aeb2976fd04fb9910fa4440d522a3baaa194a3846fe502630ba11d","source":{"kind":"arxiv","id":"nlin/0203014","version":1},"attestation_state":"computed","paper":{"title":"A Laplace ladder of discrete Laplace equations","license":"","headline":"","cross_cats":[],"primary_cat":"nlin.SI","authors_text":"Maciej Nieszporski","submitted_at":"2002-03-08T14:58:21Z","abstract_excerpt":"The notion of a Laplace ladder for a discrete analogue of the\n Laplace equation is presented. The adjoint of the discrete Moutard equation and a discrete counterpart of the nonlinear form of Goursat equation are introduced."},"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/0203014","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nlin.SI","submitted_at":"2002-03-08T14:58:21Z","cross_cats_sorted":[],"title_canon_sha256":"0c573d20881b29c9e743b7eb52feb8957db90685f5bf17ee8f1a704a3535172f","abstract_canon_sha256":"a88cbab6b3db88a76bb25ecd6a4b0876976dab8ed799ccbf6ff6707a3bfc192e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:22.110610Z","signature_b64":"FZ6teEW1Ysev9E8xD60mW6Midex0MED7aYrQCDMzAVAVDMXJ+OZfvdQoI8KJ17lN0Vlmknns8Z2pXo4KMLNjAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff9a1e3ee4aeb2976fd04fb9910fa4440d522a3baaa194a3846fe502630ba11d","last_reissued_at":"2026-05-18T01:05:22.110180Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:22.110180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Laplace ladder of discrete Laplace equations","license":"","headline":"","cross_cats":[],"primary_cat":"nlin.SI","authors_text":"Maciej Nieszporski","submitted_at":"2002-03-08T14:58:21Z","abstract_excerpt":"The notion of a Laplace ladder for a discrete analogue of the\n Laplace equation is presented. The adjoint of the discrete Moutard equation and a discrete counterpart of the nonlinear form of Goursat equation are introduced."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nlin/0203014","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/0203014","created_at":"2026-05-18T01:05:22.110243+00:00"},{"alias_kind":"arxiv_version","alias_value":"nlin/0203014v1","created_at":"2026-05-18T01:05:22.110243+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nlin/0203014","created_at":"2026-05-18T01:05:22.110243+00:00"},{"alias_kind":"pith_short_12","alias_value":"76NB4PXEV2ZJ","created_at":"2026-05-18T12:25:50.845339+00:00"},{"alias_kind":"pith_short_16","alias_value":"76NB4PXEV2ZJO36Q","created_at":"2026-05-18T12:25:50.845339+00:00"},{"alias_kind":"pith_short_8","alias_value":"76NB4PXE","created_at":"2026-05-18T12:25:50.845339+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/76NB4PXEV2ZJO36QJ64ZCD5EIQ","json":"https://pith.science/pith/76NB4PXEV2ZJO36QJ64ZCD5EIQ.json","graph_json":"https://pith.science/api/pith-number/76NB4PXEV2ZJO36QJ64ZCD5EIQ/graph.json","events_json":"https://pith.science/api/pith-number/76NB4PXEV2ZJO36QJ64ZCD5EIQ/events.json","paper":"https://pith.science/paper/76NB4PXE"},"agent_actions":{"view_html":"https://pith.science/pith/76NB4PXEV2ZJO36QJ64ZCD5EIQ","download_json":"https://pith.science/pith/76NB4PXEV2ZJO36QJ64ZCD5EIQ.json","view_paper":"https://pith.science/paper/76NB4PXE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nlin/0203014&json=true","fetch_graph":"https://pith.science/api/pith-number/76NB4PXEV2ZJO36QJ64ZCD5EIQ/graph.json","fetch_events":"https://pith.science/api/pith-number/76NB4PXEV2ZJO36QJ64ZCD5EIQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/76NB4PXEV2ZJO36QJ64ZCD5EIQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/76NB4PXEV2ZJO36QJ64ZCD5EIQ/action/storage_attestation","attest_author":"https://pith.science/pith/76NB4PXEV2ZJO36QJ64ZCD5EIQ/action/author_attestation","sign_citation":"https://pith.science/pith/76NB4PXEV2ZJO36QJ64ZCD5EIQ/action/citation_signature","submit_replication":"https://pith.science/pith/76NB4PXEV2ZJO36QJ64ZCD5EIQ/action/replication_record"}},"created_at":"2026-05-18T01:05:22.110243+00:00","updated_at":"2026-05-18T01:05:22.110243+00:00"}