{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:QFGUQKJ4TLJFNEQRG37EZ3VCE3","short_pith_number":"pith:QFGUQKJ4","canonical_record":{"source":{"id":"1104.1166","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2011-04-06T18:39:41Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"a93c249e209769f6232019f1fa78af2e13b900e597c7ce6fd64735c184055e02","abstract_canon_sha256":"4a77834579b57933f285b951110c75a544ce24ba8b8fb58e4f3c8506d6c7a9d0"},"schema_version":"1.0"},"canonical_sha256":"814d48293c9ad256921136fe4ceea226da2710244a132cb12b51778163491159","source":{"kind":"arxiv","id":"1104.1166","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1166","created_at":"2026-05-18T04:24:43Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1166v2","created_at":"2026-05-18T04:24:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1166","created_at":"2026-05-18T04:24:43Z"},{"alias_kind":"pith_short_12","alias_value":"QFGUQKJ4TLJF","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QFGUQKJ4TLJFNEQR","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QFGUQKJ4","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:QFGUQKJ4TLJFNEQRG37EZ3VCE3","target":"record","payload":{"canonical_record":{"source":{"id":"1104.1166","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2011-04-06T18:39:41Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"a93c249e209769f6232019f1fa78af2e13b900e597c7ce6fd64735c184055e02","abstract_canon_sha256":"4a77834579b57933f285b951110c75a544ce24ba8b8fb58e4f3c8506d6c7a9d0"},"schema_version":"1.0"},"canonical_sha256":"814d48293c9ad256921136fe4ceea226da2710244a132cb12b51778163491159","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:24:43.447311Z","signature_b64":"Ya/Zw3/flM2+kpesHmUG76qIXaEiZpzp2WREDZa6DrxPDu5yimE9TzwFWyNbMSQiHd1VJFWcNekmpHlk5OMKAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"814d48293c9ad256921136fe4ceea226da2710244a132cb12b51778163491159","last_reissued_at":"2026-05-18T04:24:43.446932Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:24:43.446932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.1166","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:24:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ilfM5qT0RdZt1BaTNtC/bM3d6jXhZEA0Q7So0XlRLVUKHOboa+Ug4TjazYL7SX9Y3X9H4NsfL3w2XZd4UUbeBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T09:19:28.155288Z"},"content_sha256":"22f14a49a68afbf627b1fe27493dbebb5cabe05e731cb6e6492c9850def3d4e6","schema_version":"1.0","event_id":"sha256:22f14a49a68afbf627b1fe27493dbebb5cabe05e731cb6e6492c9850def3d4e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:QFGUQKJ4TLJFNEQRG37EZ3VCE3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A higher-rank version of the Q3 equation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"nlin.SI","authors_text":"Frank W Nijhoff","submitted_at":"2011-04-06T18:39:41Z","abstract_excerpt":"A lattice system is derived which amounts to a higher-rank analogue of the Q3 equation, the latter being an integrable partial difference equation which has appeared in the ABS list of multidimensionally consistent quadrilateral lattice equations. By construction this new system incorporates various lattice equations of Boussinesq type that were discovered many years ago. A corresponding Lax representation is derived."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1166","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:24:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TzJ43qWAl+6SIKyi3gk3rbyacny+Ub7uTOfkcXvbJmu23A6eyieftuLpcdS84DgzqvqY2heBD1SvZZKapCckAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T09:19:28.155657Z"},"content_sha256":"deb514213fccdbf34e6040394dec73cb091053baee4154277d3aae48caf5ca25","schema_version":"1.0","event_id":"sha256:deb514213fccdbf34e6040394dec73cb091053baee4154277d3aae48caf5ca25"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QFGUQKJ4TLJFNEQRG37EZ3VCE3/bundle.json","state_url":"https://pith.science/pith/QFGUQKJ4TLJFNEQRG37EZ3VCE3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QFGUQKJ4TLJFNEQRG37EZ3VCE3/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-24T09:19:28Z","links":{"resolver":"https://pith.science/pith/QFGUQKJ4TLJFNEQRG37EZ3VCE3","bundle":"https://pith.science/pith/QFGUQKJ4TLJFNEQRG37EZ3VCE3/bundle.json","state":"https://pith.science/pith/QFGUQKJ4TLJFNEQRG37EZ3VCE3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QFGUQKJ4TLJFNEQRG37EZ3VCE3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:QFGUQKJ4TLJFNEQRG37EZ3VCE3","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":"4a77834579b57933f285b951110c75a544ce24ba8b8fb58e4f3c8506d6c7a9d0","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2011-04-06T18:39:41Z","title_canon_sha256":"a93c249e209769f6232019f1fa78af2e13b900e597c7ce6fd64735c184055e02"},"schema_version":"1.0","source":{"id":"1104.1166","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1166","created_at":"2026-05-18T04:24:43Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1166v2","created_at":"2026-05-18T04:24:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1166","created_at":"2026-05-18T04:24:43Z"},{"alias_kind":"pith_short_12","alias_value":"QFGUQKJ4TLJF","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QFGUQKJ4TLJFNEQR","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QFGUQKJ4","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:deb514213fccdbf34e6040394dec73cb091053baee4154277d3aae48caf5ca25","target":"graph","created_at":"2026-05-18T04:24:43Z","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":"A lattice system is derived which amounts to a higher-rank analogue of the Q3 equation, the latter being an integrable partial difference equation which has appeared in the ABS list of multidimensionally consistent quadrilateral lattice equations. By construction this new system incorporates various lattice equations of Boussinesq type that were discovered many years ago. A corresponding Lax representation is derived.","authors_text":"Frank W Nijhoff","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2011-04-06T18:39:41Z","title":"A higher-rank version of the Q3 equation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1166","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":"sha256:22f14a49a68afbf627b1fe27493dbebb5cabe05e731cb6e6492c9850def3d4e6","target":"record","created_at":"2026-05-18T04:24:43Z","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":"4a77834579b57933f285b951110c75a544ce24ba8b8fb58e4f3c8506d6c7a9d0","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2011-04-06T18:39:41Z","title_canon_sha256":"a93c249e209769f6232019f1fa78af2e13b900e597c7ce6fd64735c184055e02"},"schema_version":"1.0","source":{"id":"1104.1166","kind":"arxiv","version":2}},"canonical_sha256":"814d48293c9ad256921136fe4ceea226da2710244a132cb12b51778163491159","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"814d48293c9ad256921136fe4ceea226da2710244a132cb12b51778163491159","first_computed_at":"2026-05-18T04:24:43.446932Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:24:43.446932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ya/Zw3/flM2+kpesHmUG76qIXaEiZpzp2WREDZa6DrxPDu5yimE9TzwFWyNbMSQiHd1VJFWcNekmpHlk5OMKAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:24:43.447311Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.1166","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:22f14a49a68afbf627b1fe27493dbebb5cabe05e731cb6e6492c9850def3d4e6","sha256:deb514213fccdbf34e6040394dec73cb091053baee4154277d3aae48caf5ca25"],"state_sha256":"a22a9a42e45cce01aec94232be128d142829be4e2aa5c596cd79d82555eaf745"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hY5OSQLd5g5o4Q12qLECSJNHMNRxhF6WEgzebPoCymVwuh41Oi1Zj/iLDpUt+0NOGlxyA23D1InoynNON3ABAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T09:19:28.157664Z","bundle_sha256":"967d23bce1de21a3f116fc4f275db61247c4dac6a58101e909ca96b242d1083d"}}