{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:ZJMR6BDV57B2A3NQF3VDIB2C6Z","short_pith_number":"pith:ZJMR6BDV","canonical_record":{"source":{"id":"math/9810205","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"math.AP","submitted_at":"1998-10-01T00:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"2c2314800dde8e1bddfcc8117e7d29647064f7412a0164ee13eefeca3f474724","abstract_canon_sha256":"437e586c915087c7b44c9c4e003355339cd1df072e67d1e7f6744419215b9977"},"schema_version":"1.0"},"canonical_sha256":"ca591f0475efc3a06db02eea340742f66162b4f734c9607fe3a2d4a9a1e6e8cb","source":{"kind":"arxiv","id":"math/9810205","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"math/9810205","created_at":"2026-05-18T01:38:22Z"},{"alias_kind":"arxiv_version","alias_value":"math/9810205v1","created_at":"2026-05-18T01:38:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.math/9810205","created_at":"2026-05-18T01:38:22Z"},{"alias_kind":"pith_short_12","alias_value":"ZJMR6BDV57B2","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"ZJMR6BDV57B2A3NQ","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"ZJMR6BDV","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:ZJMR6BDV57B2A3NQF3VDIB2C6Z","target":"record","payload":{"canonical_record":{"source":{"id":"math/9810205","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"math.AP","submitted_at":"1998-10-01T00:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"2c2314800dde8e1bddfcc8117e7d29647064f7412a0164ee13eefeca3f474724","abstract_canon_sha256":"437e586c915087c7b44c9c4e003355339cd1df072e67d1e7f6744419215b9977"},"schema_version":"1.0"},"canonical_sha256":"ca591f0475efc3a06db02eea340742f66162b4f734c9607fe3a2d4a9a1e6e8cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:22.726778Z","signature_b64":"+vzENkLmQiaARlZX7d8jJq31/aAy+2Y3vxNmzFUnFj2IPbiX5Z+ELLxTJEexYtjkcu1NPh5gSdEt6peUKqyIAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca591f0475efc3a06db02eea340742f66162b4f734c9607fe3a2d4a9a1e6e8cb","last_reissued_at":"2026-05-18T01:38:22.726121Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:22.726121Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"math/9810205","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":"2026-05-18T01:38:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LX/Ym6IjDr3VBkQ27sdhT0l+qGJ4/03733dZpeM6rhhLWLZEaZ+0mjwrqQTGEOmfJztuqvYLXik8neCoTWf6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T12:53:56.729483Z"},"content_sha256":"0dcf8d61fa77eee92502a6710ef213809b1ce0b1be6f430c3bb0ef4605c72b33","schema_version":"1.0","event_id":"sha256:0dcf8d61fa77eee92502a6710ef213809b1ce0b1be6f430c3bb0ef4605c72b33"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:ZJMR6BDV57B2A3NQF3VDIB2C6Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the analytical approach to the N-fold B\\\"acklund transformation of Davey-Stewartson equation","license":"","headline":"","cross_cats":[],"primary_cat":"math.AP","authors_text":"A. Roy Chowdhury, Sudhir Paul","submitted_at":"1998-10-01T00:00:00Z","abstract_excerpt":"N-fold B\\\"acklund transformation for the Davey-Stewartson equation is constructed by using the analytic structure of the Lax eigenfunction in the complex eigenvalue plane. Explicit formulae can be obtained for a specified value of N. Lastly it is shown how generalized soliton solutions are generated from the trivial ones."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"math/9810205","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":"2026-05-18T01:38:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JMBo9SbzRpADe6/VIqTRNobcDp3l1thvpwFVrks2irCfzKTfVZy/DaRh3IqwIlUBKs8hX7AVZCxmBQwGnpvVBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T12:53:56.729831Z"},"content_sha256":"a437c4193b289e824ec02a6a2a8d025a5c65971c46df2b6cf148a07fc9aa9e13","schema_version":"1.0","event_id":"sha256:a437c4193b289e824ec02a6a2a8d025a5c65971c46df2b6cf148a07fc9aa9e13"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZJMR6BDV57B2A3NQF3VDIB2C6Z/bundle.json","state_url":"https://pith.science/pith/ZJMR6BDV57B2A3NQF3VDIB2C6Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZJMR6BDV57B2A3NQF3VDIB2C6Z/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":"2026-06-23T12:53:56Z","links":{"resolver":"https://pith.science/pith/ZJMR6BDV57B2A3NQF3VDIB2C6Z","bundle":"https://pith.science/pith/ZJMR6BDV57B2A3NQF3VDIB2C6Z/bundle.json","state":"https://pith.science/pith/ZJMR6BDV57B2A3NQF3VDIB2C6Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZJMR6BDV57B2A3NQF3VDIB2C6Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:ZJMR6BDV57B2A3NQF3VDIB2C6Z","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":"437e586c915087c7b44c9c4e003355339cd1df072e67d1e7f6744419215b9977","cross_cats_sorted":[],"license":"","primary_cat":"math.AP","submitted_at":"1998-10-01T00:00:00Z","title_canon_sha256":"2c2314800dde8e1bddfcc8117e7d29647064f7412a0164ee13eefeca3f474724"},"schema_version":"1.0","source":{"id":"math/9810205","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"math/9810205","created_at":"2026-05-18T01:38:22Z"},{"alias_kind":"arxiv_version","alias_value":"math/9810205v1","created_at":"2026-05-18T01:38:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.math/9810205","created_at":"2026-05-18T01:38:22Z"},{"alias_kind":"pith_short_12","alias_value":"ZJMR6BDV57B2","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"ZJMR6BDV57B2A3NQ","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"ZJMR6BDV","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:a437c4193b289e824ec02a6a2a8d025a5c65971c46df2b6cf148a07fc9aa9e13","target":"graph","created_at":"2026-05-18T01:38:22Z","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":"N-fold B\\\"acklund transformation for the Davey-Stewartson equation is constructed by using the analytic structure of the Lax eigenfunction in the complex eigenvalue plane. Explicit formulae can be obtained for a specified value of N. Lastly it is shown how generalized soliton solutions are generated from the trivial ones.","authors_text":"A. Roy Chowdhury, Sudhir Paul","cross_cats":[],"headline":"","license":"","primary_cat":"math.AP","submitted_at":"1998-10-01T00:00:00Z","title":"On the analytical approach to the N-fold B\\\"acklund transformation of Davey-Stewartson equation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"math/9810205","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":"sha256:0dcf8d61fa77eee92502a6710ef213809b1ce0b1be6f430c3bb0ef4605c72b33","target":"record","created_at":"2026-05-18T01:38:22Z","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":"437e586c915087c7b44c9c4e003355339cd1df072e67d1e7f6744419215b9977","cross_cats_sorted":[],"license":"","primary_cat":"math.AP","submitted_at":"1998-10-01T00:00:00Z","title_canon_sha256":"2c2314800dde8e1bddfcc8117e7d29647064f7412a0164ee13eefeca3f474724"},"schema_version":"1.0","source":{"id":"math/9810205","kind":"arxiv","version":1}},"canonical_sha256":"ca591f0475efc3a06db02eea340742f66162b4f734c9607fe3a2d4a9a1e6e8cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca591f0475efc3a06db02eea340742f66162b4f734c9607fe3a2d4a9a1e6e8cb","first_computed_at":"2026-05-18T01:38:22.726121Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:22.726121Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+vzENkLmQiaARlZX7d8jJq31/aAy+2Y3vxNmzFUnFj2IPbiX5Z+ELLxTJEexYtjkcu1NPh5gSdEt6peUKqyIAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:22.726778Z","signed_message":"canonical_sha256_bytes"},"source_id":"math/9810205","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0dcf8d61fa77eee92502a6710ef213809b1ce0b1be6f430c3bb0ef4605c72b33","sha256:a437c4193b289e824ec02a6a2a8d025a5c65971c46df2b6cf148a07fc9aa9e13"],"state_sha256":"ebf6f74b58a438f416b0feb1803ccc890bea0fbd02b3d93442bfb1c1b8b10550"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y1PZZoOt4Rhi8qgpas9nFJOX+g9OmrcwOSutx8um/PRdBCXjGJNby7Y4DJ+V8ma0eYp3GlHptKIxdNDcuvmSCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T12:53:56.731766Z","bundle_sha256":"8e85e6c94d47124aa17e393f3e174ec3db51c95a82bc92e94b70d24e54da4a01"}}