{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:B73PIC3RGZ3UCYE5H7HSZATFDW","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":"f7bad943e95e3c84acc0660dd8ededfdc33b075856a16bdffb0624068e28ffb8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2017-07-02T14:39:06Z","title_canon_sha256":"3cdf7c69c8bc80319d80f12649b2993b5aff325a6e11b7731f99092177c2d280"},"schema_version":"1.0","source":{"id":"1707.00298","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.00298","created_at":"2026-05-18T00:41:03Z"},{"alias_kind":"arxiv_version","alias_value":"1707.00298v1","created_at":"2026-05-18T00:41:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.00298","created_at":"2026-05-18T00:41:03Z"},{"alias_kind":"pith_short_12","alias_value":"B73PIC3RGZ3U","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"B73PIC3RGZ3UCYE5","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"B73PIC3R","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:ff77aa387ff4ca469c94e37fc9cded265eb0fae0b8ad7be2c8ad324aefb11463","target":"graph","created_at":"2026-05-18T00:41:03Z","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":"We demonstrate the construction of an explicit NSFD discretization for the standard Lotka-Volterra equations. In contrast to previous NSFD schemes, our representation is dynamic consistent with respect to all the essential properties of the differential equations and their solutions.","authors_text":"Ronald E. Mickens, William Dula","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2017-07-02T14:39:06Z","title":"A note on the construction of a 'valid' NSFD scheme for the Lotka-Volterra equations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.00298","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":"sha256:77671ffdd247ff0ecb4a0854b4fe65c4b1ad92089d87f940550cfd0af40d84d6","target":"record","created_at":"2026-05-18T00:41:03Z","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":"f7bad943e95e3c84acc0660dd8ededfdc33b075856a16bdffb0624068e28ffb8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2017-07-02T14:39:06Z","title_canon_sha256":"3cdf7c69c8bc80319d80f12649b2993b5aff325a6e11b7731f99092177c2d280"},"schema_version":"1.0","source":{"id":"1707.00298","kind":"arxiv","version":1}},"canonical_sha256":"0ff6f40b71367741609d3fcf2c82651d9cac7274ab4c201230327704df3c4912","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0ff6f40b71367741609d3fcf2c82651d9cac7274ab4c201230327704df3c4912","first_computed_at":"2026-05-18T00:41:03.797274Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:03.797274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+fJfmEUFBxpXJmd7paw0goboZP6U9k4PNjFZWYzkHR6vtxeMBgYtlWAJoL6I7kXIQvYvWeHt5b3Bx+y027j5CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:03.797850Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.00298","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77671ffdd247ff0ecb4a0854b4fe65c4b1ad92089d87f940550cfd0af40d84d6","sha256:ff77aa387ff4ca469c94e37fc9cded265eb0fae0b8ad7be2c8ad324aefb11463"],"state_sha256":"e1e0c0a045b1a5f8bdd27db13a06cb14291d72b00fd12ce2521bc0c32495a3bd"}