{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:SISINYPIFLISNCLML3VFU7OZUT","short_pith_number":"pith:SISINYPI","canonical_record":{"source":{"id":"solv-int/9909017","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"solv-int","submitted_at":"1999-09-17T07:27:39Z","cross_cats_sorted":["nlin.SI"],"title_canon_sha256":"63e1e715a92ad9c3033c8f54bb0edd9f8c9ed591e688b6cfdd26ffff255287a7","abstract_canon_sha256":"c5c2a54241949c6a60b1a3bf5da2d9f65b8b8868eed4633da0f48ca0b7985def"},"schema_version":"1.0"},"canonical_sha256":"922486e1e82ad126896c5eea5a7dd9a4c9f1cf540de7ebe92bb60102df00d65c","source":{"kind":"arxiv","id":"solv-int/9909017","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"solv-int/9909017","created_at":"2026-05-18T00:57:18Z"},{"alias_kind":"arxiv_version","alias_value":"solv-int/9909017v1","created_at":"2026-05-18T00:57:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.solv-int/9909017","created_at":"2026-05-18T00:57:18Z"},{"alias_kind":"pith_short_12","alias_value":"SISINYPIFLIS","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"SISINYPIFLISNCLM","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"SISINYPI","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:SISINYPIFLISNCLML3VFU7OZUT","target":"record","payload":{"canonical_record":{"source":{"id":"solv-int/9909017","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"solv-int","submitted_at":"1999-09-17T07:27:39Z","cross_cats_sorted":["nlin.SI"],"title_canon_sha256":"63e1e715a92ad9c3033c8f54bb0edd9f8c9ed591e688b6cfdd26ffff255287a7","abstract_canon_sha256":"c5c2a54241949c6a60b1a3bf5da2d9f65b8b8868eed4633da0f48ca0b7985def"},"schema_version":"1.0"},"canonical_sha256":"922486e1e82ad126896c5eea5a7dd9a4c9f1cf540de7ebe92bb60102df00d65c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:57:18.809341Z","signature_b64":"2jOc/4UsrT/W6HFfFqeziIt0r1FBTh6uFyK+fBD57IuMhV45jOp+1vVlFISfZ7O8L12M+Pz46vg5E57+pZulBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"922486e1e82ad126896c5eea5a7dd9a4c9f1cf540de7ebe92bb60102df00d65c","last_reissued_at":"2026-05-18T00:57:18.808643Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:57:18.808643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"solv-int/9909017","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:57:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hcCPQ4QXgnZE9XNopJBR40rKl2BtS489V8HR6JA7YsrifD9QxODY9IIe+ionM6KSPLiL+6N1tVTJI4DJSFTDBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T14:05:45.785837Z"},"content_sha256":"b1ff27034658dec89733220bdafba71492517cfa53c585fce4dfa04b915f4d3a","schema_version":"1.0","event_id":"sha256:b1ff27034658dec89733220bdafba71492517cfa53c585fce4dfa04b915f4d3a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:SISINYPIFLISNCLML3VFU7OZUT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Darboux transformations for a Bogoyavlenskii equation in 2+1 dimensions","license":"","headline":"","cross_cats":["nlin.SI"],"primary_cat":"solv-int","authors_text":"G. A. Hernaez (Universidad de Salamanca, P. G. Estevez, Spain)","submitted_at":"1999-09-17T07:27:39Z","abstract_excerpt":"We use the singular manifold method to obtain the Lax pair, Darboux transformations and soliton solutions for a (2+1) dimensional integrable equation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"solv-int/9909017","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:57:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jhEunPZIOavmquG597JPbnE/9RcXwf/dvfpfbyK73ddbzTAzevPx1WnwXTcf6RJG6xiqtOgla1hc6hR2Um6ZBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T14:05:45.786176Z"},"content_sha256":"c2d0037b761fcb3b1a637b4d15aad77ec5aa1a3aec159dd5022f5c92ed8a547b","schema_version":"1.0","event_id":"sha256:c2d0037b761fcb3b1a637b4d15aad77ec5aa1a3aec159dd5022f5c92ed8a547b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SISINYPIFLISNCLML3VFU7OZUT/bundle.json","state_url":"https://pith.science/pith/SISINYPIFLISNCLML3VFU7OZUT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SISINYPIFLISNCLML3VFU7OZUT/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":"2026-06-29T14:05:45Z","links":{"resolver":"https://pith.science/pith/SISINYPIFLISNCLML3VFU7OZUT","bundle":"https://pith.science/pith/SISINYPIFLISNCLML3VFU7OZUT/bundle.json","state":"https://pith.science/pith/SISINYPIFLISNCLML3VFU7OZUT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SISINYPIFLISNCLML3VFU7OZUT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:SISINYPIFLISNCLML3VFU7OZUT","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":"c5c2a54241949c6a60b1a3bf5da2d9f65b8b8868eed4633da0f48ca0b7985def","cross_cats_sorted":["nlin.SI"],"license":"","primary_cat":"solv-int","submitted_at":"1999-09-17T07:27:39Z","title_canon_sha256":"63e1e715a92ad9c3033c8f54bb0edd9f8c9ed591e688b6cfdd26ffff255287a7"},"schema_version":"1.0","source":{"id":"solv-int/9909017","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"solv-int/9909017","created_at":"2026-05-18T00:57:18Z"},{"alias_kind":"arxiv_version","alias_value":"solv-int/9909017v1","created_at":"2026-05-18T00:57:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.solv-int/9909017","created_at":"2026-05-18T00:57:18Z"},{"alias_kind":"pith_short_12","alias_value":"SISINYPIFLIS","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"SISINYPIFLISNCLM","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"SISINYPI","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:c2d0037b761fcb3b1a637b4d15aad77ec5aa1a3aec159dd5022f5c92ed8a547b","target":"graph","created_at":"2026-05-18T00:57:18Z","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 use the singular manifold method to obtain the Lax pair, Darboux transformations and soliton solutions for a (2+1) dimensional integrable equation.","authors_text":"G. A. Hernaez (Universidad de Salamanca, P. G. Estevez, Spain)","cross_cats":["nlin.SI"],"headline":"","license":"","primary_cat":"solv-int","submitted_at":"1999-09-17T07:27:39Z","title":"Darboux transformations for a Bogoyavlenskii equation in 2+1 dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"solv-int/9909017","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:b1ff27034658dec89733220bdafba71492517cfa53c585fce4dfa04b915f4d3a","target":"record","created_at":"2026-05-18T00:57:18Z","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":"c5c2a54241949c6a60b1a3bf5da2d9f65b8b8868eed4633da0f48ca0b7985def","cross_cats_sorted":["nlin.SI"],"license":"","primary_cat":"solv-int","submitted_at":"1999-09-17T07:27:39Z","title_canon_sha256":"63e1e715a92ad9c3033c8f54bb0edd9f8c9ed591e688b6cfdd26ffff255287a7"},"schema_version":"1.0","source":{"id":"solv-int/9909017","kind":"arxiv","version":1}},"canonical_sha256":"922486e1e82ad126896c5eea5a7dd9a4c9f1cf540de7ebe92bb60102df00d65c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"922486e1e82ad126896c5eea5a7dd9a4c9f1cf540de7ebe92bb60102df00d65c","first_computed_at":"2026-05-18T00:57:18.808643Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:18.808643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2jOc/4UsrT/W6HFfFqeziIt0r1FBTh6uFyK+fBD57IuMhV45jOp+1vVlFISfZ7O8L12M+Pz46vg5E57+pZulBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:18.809341Z","signed_message":"canonical_sha256_bytes"},"source_id":"solv-int/9909017","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1ff27034658dec89733220bdafba71492517cfa53c585fce4dfa04b915f4d3a","sha256:c2d0037b761fcb3b1a637b4d15aad77ec5aa1a3aec159dd5022f5c92ed8a547b"],"state_sha256":"4cc827d92a593837ad9445c74508bb79810161b2e78d71b6fda739b1e22ee9a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N/B43NkCsn4OvGgJxbCvuFaB23YfK3Kq+ORILZNPhcIwyXAQcWPJQk+R6pEaJobsJNls1qN36mXUYrmd57RJCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T14:05:45.788011Z","bundle_sha256":"ae621902831ab5d9a2e2ccc9952b669fb4c2f3e3ff4066d3505b65cc165ccf3c"}}