{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4UKYC4NPUT2ZT4GVPK4OP2RDM4","short_pith_number":"pith:4UKYC4NP","canonical_record":{"source":{"id":"2608.08774","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2026-08-09T15:45:36Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"91f846fccd45d5d6c3b8763e0f7325e4a0466b55fc0118b18ba6b91482c034bc","abstract_canon_sha256":"02b05bbf1b17ddde20180e99a7e103e30e64e0ab8cb52d0d37fa3ca5ae879ef2"},"schema_version":"1.0"},"canonical_sha256":"e5158171afa4f599f0d57ab8e7ea23670a0f34d0cb652603f955e0cd181d76e3","source":{"kind":"arxiv","id":"2608.08774","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.08774","created_at":"2026-08-11T01:25:17Z"},{"alias_kind":"arxiv_version","alias_value":"2608.08774v1","created_at":"2026-08-11T01:25:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.08774","created_at":"2026-08-11T01:25:17Z"},{"alias_kind":"pith_short_12","alias_value":"4UKYC4NPUT2Z","created_at":"2026-08-11T01:25:17Z"},{"alias_kind":"pith_short_16","alias_value":"4UKYC4NPUT2ZT4GV","created_at":"2026-08-11T01:25:17Z"},{"alias_kind":"pith_short_8","alias_value":"4UKYC4NP","created_at":"2026-08-11T01:25:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4UKYC4NPUT2ZT4GVPK4OP2RDM4","target":"record","payload":{"canonical_record":{"source":{"id":"2608.08774","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2026-08-09T15:45:36Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"91f846fccd45d5d6c3b8763e0f7325e4a0466b55fc0118b18ba6b91482c034bc","abstract_canon_sha256":"02b05bbf1b17ddde20180e99a7e103e30e64e0ab8cb52d0d37fa3ca5ae879ef2"},"schema_version":"1.0"},"canonical_sha256":"e5158171afa4f599f0d57ab8e7ea23670a0f34d0cb652603f955e0cd181d76e3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-11T01:25:17.981401Z","signature_b64":"G23SOSHsenQYZzdMRg0kSaJlX8s6J8M++vTNxbHzPcpvcuGhPhM++uCs8vTSypA8kPLB9P0/vhbv4HzY7z9VBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5158171afa4f599f0d57ab8e7ea23670a0f34d0cb652603f955e0cd181d76e3","last_reissued_at":"2026-08-11T01:25:17.978818Z","signature_status":"signed_v1","first_computed_at":"2026-08-11T01:25:17.978818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.08774","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":"2026-08-11T01:25:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZukD5C2NZ3mte2oTsbNSwzqNFQg54COSageOSSqidgbNZn9NJHDPegYBQJIwai3iKqdmrLR8Bzm8JgRJ4XysAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T00:29:18.316698Z"},"content_sha256":"b1d20bc4da9dc7f4b15401db3a7cc823c0fcb86f4720475154c363b361c06dc9","schema_version":"1.0","event_id":"sha256:b1d20bc4da9dc7f4b15401db3a7cc823c0fcb86f4720475154c363b361c06dc9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4UKYC4NPUT2ZT4GVPK4OP2RDM4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Elliptic solutions to matrix CKP equation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"nlin.SI","authors_text":"A. Zabrodin","submitted_at":"2026-08-09T15:45:36Z","abstract_excerpt":"A class of elliptic solutions to the matrix CKP equation is studied. Equations of motion for their poles and matrix coefficients at the poles are obtained. As in the scalar case, they are of the first order, in contrast to what takes place in the KP and BKP hierarchies, where the equations of motion are of the second order."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.08774","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2608.08774/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-08-11T01:25:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UXARCb2UqvbaE1VObG1KB1XsM5zw1+lXct44TxG9rXVDby4C3Hj6BQeWr26SzXGZAqdNuo53BoEhIY/0OvmNDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T00:29:18.317219Z"},"content_sha256":"28da8edfb28504a1bbda63f77732cef7031cb55dd63366065566f09fbb44fb5f","schema_version":"1.0","event_id":"sha256:28da8edfb28504a1bbda63f77732cef7031cb55dd63366065566f09fbb44fb5f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4UKYC4NPUT2ZT4GVPK4OP2RDM4/bundle.json","state_url":"https://pith.science/pith/4UKYC4NPUT2ZT4GVPK4OP2RDM4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4UKYC4NPUT2ZT4GVPK4OP2RDM4/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":"2026-08-19T00:29:18Z","links":{"resolver":"https://pith.science/pith/4UKYC4NPUT2ZT4GVPK4OP2RDM4","bundle":"https://pith.science/pith/4UKYC4NPUT2ZT4GVPK4OP2RDM4/bundle.json","state":"https://pith.science/pith/4UKYC4NPUT2ZT4GVPK4OP2RDM4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4UKYC4NPUT2ZT4GVPK4OP2RDM4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4UKYC4NPUT2ZT4GVPK4OP2RDM4","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":"02b05bbf1b17ddde20180e99a7e103e30e64e0ab8cb52d0d37fa3ca5ae879ef2","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2026-08-09T15:45:36Z","title_canon_sha256":"91f846fccd45d5d6c3b8763e0f7325e4a0466b55fc0118b18ba6b91482c034bc"},"schema_version":"1.0","source":{"id":"2608.08774","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.08774","created_at":"2026-08-11T01:25:17Z"},{"alias_kind":"arxiv_version","alias_value":"2608.08774v1","created_at":"2026-08-11T01:25:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.08774","created_at":"2026-08-11T01:25:17Z"},{"alias_kind":"pith_short_12","alias_value":"4UKYC4NPUT2Z","created_at":"2026-08-11T01:25:17Z"},{"alias_kind":"pith_short_16","alias_value":"4UKYC4NPUT2ZT4GV","created_at":"2026-08-11T01:25:17Z"},{"alias_kind":"pith_short_8","alias_value":"4UKYC4NP","created_at":"2026-08-11T01:25:17Z"}],"graph_snapshots":[{"event_id":"sha256:28da8edfb28504a1bbda63f77732cef7031cb55dd63366065566f09fbb44fb5f","target":"graph","created_at":"2026-08-11T01:25:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2608.08774/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A class of elliptic solutions to the matrix CKP equation is studied. Equations of motion for their poles and matrix coefficients at the poles are obtained. As in the scalar case, they are of the first order, in contrast to what takes place in the KP and BKP hierarchies, where the equations of motion are of the second order.","authors_text":"A. Zabrodin","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2026-08-09T15:45:36Z","title":"Elliptic solutions to matrix CKP equation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.08774","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:b1d20bc4da9dc7f4b15401db3a7cc823c0fcb86f4720475154c363b361c06dc9","target":"record","created_at":"2026-08-11T01:25:17Z","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":"02b05bbf1b17ddde20180e99a7e103e30e64e0ab8cb52d0d37fa3ca5ae879ef2","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.SI","submitted_at":"2026-08-09T15:45:36Z","title_canon_sha256":"91f846fccd45d5d6c3b8763e0f7325e4a0466b55fc0118b18ba6b91482c034bc"},"schema_version":"1.0","source":{"id":"2608.08774","kind":"arxiv","version":1}},"canonical_sha256":"e5158171afa4f599f0d57ab8e7ea23670a0f34d0cb652603f955e0cd181d76e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5158171afa4f599f0d57ab8e7ea23670a0f34d0cb652603f955e0cd181d76e3","first_computed_at":"2026-08-11T01:25:17.978818Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-11T01:25:17.978818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G23SOSHsenQYZzdMRg0kSaJlX8s6J8M++vTNxbHzPcpvcuGhPhM++uCs8vTSypA8kPLB9P0/vhbv4HzY7z9VBw==","signature_status":"signed_v1","signed_at":"2026-08-11T01:25:17.981401Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.08774","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1d20bc4da9dc7f4b15401db3a7cc823c0fcb86f4720475154c363b361c06dc9","sha256:28da8edfb28504a1bbda63f77732cef7031cb55dd63366065566f09fbb44fb5f"],"state_sha256":"49728b62ff40fc2cafd23804ca7660ef71faa05794ba829e912f94c46a70fdaf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X5/XSRlHFh8h1+uy9tt7mRh1HP9DoLJMIVmQNKjQd1javvqS5u4lIAGefRYz2C9HHhnaPF9imw/fxktiKiNOAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T00:29:18.322909Z","bundle_sha256":"4a053e684ae0027d6cf65fbc3c06489e369dfc46537260b8afc0d6fc42898753"}}