{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:CMFSDDGSVFZWXQSKKVBXFLPT6G","short_pith_number":"pith:CMFSDDGS","canonical_record":{"source":{"id":"1609.06761","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2016-09-21T21:22:16Z","cross_cats_sorted":["hep-th","math.MP"],"title_canon_sha256":"999e05f3f71df9594892a9352a98fee66696afa1f48e6cd3c0ee7c336d1e27ca","abstract_canon_sha256":"9081ff1469a8fbe467540457b22f6ffca072b9b700f6fd29bc7227aa3f07f00a"},"schema_version":"1.0"},"canonical_sha256":"130b218cd2a9736bc24a554372adf3f19028af7eb204e93355186681f971c22e","source":{"kind":"arxiv","id":"1609.06761","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.06761","created_at":"2026-05-18T00:51:46Z"},{"alias_kind":"arxiv_version","alias_value":"1609.06761v2","created_at":"2026-05-18T00:51:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.06761","created_at":"2026-05-18T00:51:46Z"},{"alias_kind":"pith_short_12","alias_value":"CMFSDDGSVFZW","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CMFSDDGSVFZWXQSK","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CMFSDDGS","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:CMFSDDGSVFZWXQSKKVBXFLPT6G","target":"record","payload":{"canonical_record":{"source":{"id":"1609.06761","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2016-09-21T21:22:16Z","cross_cats_sorted":["hep-th","math.MP"],"title_canon_sha256":"999e05f3f71df9594892a9352a98fee66696afa1f48e6cd3c0ee7c336d1e27ca","abstract_canon_sha256":"9081ff1469a8fbe467540457b22f6ffca072b9b700f6fd29bc7227aa3f07f00a"},"schema_version":"1.0"},"canonical_sha256":"130b218cd2a9736bc24a554372adf3f19028af7eb204e93355186681f971c22e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:46.120297Z","signature_b64":"qwtaNOPpOPiO1gGdNYP5XwVPQNTCdtXLkMpf7jTgUvXnamTvia85Mn7aaozcj5nyd/jYE4WHXSCeI4zQ/mCUBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"130b218cd2a9736bc24a554372adf3f19028af7eb204e93355186681f971c22e","last_reissued_at":"2026-05-18T00:51:46.119630Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:46.119630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.06761","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":"2026-05-18T00:51:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"olePR85FzJNWFR6wCEt9I3AWlpmTvnnBnau63QDYvJ5RN72iw9VkizO3obytN+pcYtFArd5KW4uafGjxMIF3DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:06:42.618559Z"},"content_sha256":"fda315425e469b4a43de3ca697391a83ec5496c98b3bb8f6c86d979251255aef","schema_version":"1.0","event_id":"sha256:fda315425e469b4a43de3ca697391a83ec5496c98b3bb8f6c86d979251255aef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:CMFSDDGSVFZWXQSKKVBXFLPT6G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An inhomogeneous Lax representation for the Hirota equation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math.MP"],"primary_cat":"math-ph","authors_text":"Davide Fioravanti, Rafael I. Nepomechie","submitted_at":"2016-09-21T21:22:16Z","abstract_excerpt":"Motivated by recent work on quantum integrable models without U(1) symmetry, we show that the sl(2) Hirota equation admits a Lax representation with inhomogeneous terms. The compatibility of the auxiliary linear problem leads to a new consistent family of Hirota-like equations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.06761","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":"2026-05-18T00:51:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"73cI0UXMx8lh2YRswIOhpsCA/YrqlggZa6Xa3db4zNEpUHndZMFa4p5kG2jrSQkg/1IVW7bUBS7xiLeu3IhyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:06:42.619223Z"},"content_sha256":"927e8593d38cdd24dacbfda3e6d9d5ce4e212c0fb636f66f0d088f54cc8b8ec6","schema_version":"1.0","event_id":"sha256:927e8593d38cdd24dacbfda3e6d9d5ce4e212c0fb636f66f0d088f54cc8b8ec6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CMFSDDGSVFZWXQSKKVBXFLPT6G/bundle.json","state_url":"https://pith.science/pith/CMFSDDGSVFZWXQSKKVBXFLPT6G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CMFSDDGSVFZWXQSKKVBXFLPT6G/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":"2026-05-25T16:06:42Z","links":{"resolver":"https://pith.science/pith/CMFSDDGSVFZWXQSKKVBXFLPT6G","bundle":"https://pith.science/pith/CMFSDDGSVFZWXQSKKVBXFLPT6G/bundle.json","state":"https://pith.science/pith/CMFSDDGSVFZWXQSKKVBXFLPT6G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CMFSDDGSVFZWXQSKKVBXFLPT6G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CMFSDDGSVFZWXQSKKVBXFLPT6G","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":"9081ff1469a8fbe467540457b22f6ffca072b9b700f6fd29bc7227aa3f07f00a","cross_cats_sorted":["hep-th","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2016-09-21T21:22:16Z","title_canon_sha256":"999e05f3f71df9594892a9352a98fee66696afa1f48e6cd3c0ee7c336d1e27ca"},"schema_version":"1.0","source":{"id":"1609.06761","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.06761","created_at":"2026-05-18T00:51:46Z"},{"alias_kind":"arxiv_version","alias_value":"1609.06761v2","created_at":"2026-05-18T00:51:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.06761","created_at":"2026-05-18T00:51:46Z"},{"alias_kind":"pith_short_12","alias_value":"CMFSDDGSVFZW","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CMFSDDGSVFZWXQSK","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CMFSDDGS","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:927e8593d38cdd24dacbfda3e6d9d5ce4e212c0fb636f66f0d088f54cc8b8ec6","target":"graph","created_at":"2026-05-18T00:51:46Z","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":"Motivated by recent work on quantum integrable models without U(1) symmetry, we show that the sl(2) Hirota equation admits a Lax representation with inhomogeneous terms. The compatibility of the auxiliary linear problem leads to a new consistent family of Hirota-like equations.","authors_text":"Davide Fioravanti, Rafael I. Nepomechie","cross_cats":["hep-th","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2016-09-21T21:22:16Z","title":"An inhomogeneous Lax representation for the Hirota equation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.06761","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:fda315425e469b4a43de3ca697391a83ec5496c98b3bb8f6c86d979251255aef","target":"record","created_at":"2026-05-18T00:51:46Z","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":"9081ff1469a8fbe467540457b22f6ffca072b9b700f6fd29bc7227aa3f07f00a","cross_cats_sorted":["hep-th","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2016-09-21T21:22:16Z","title_canon_sha256":"999e05f3f71df9594892a9352a98fee66696afa1f48e6cd3c0ee7c336d1e27ca"},"schema_version":"1.0","source":{"id":"1609.06761","kind":"arxiv","version":2}},"canonical_sha256":"130b218cd2a9736bc24a554372adf3f19028af7eb204e93355186681f971c22e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"130b218cd2a9736bc24a554372adf3f19028af7eb204e93355186681f971c22e","first_computed_at":"2026-05-18T00:51:46.119630Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:46.119630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qwtaNOPpOPiO1gGdNYP5XwVPQNTCdtXLkMpf7jTgUvXnamTvia85Mn7aaozcj5nyd/jYE4WHXSCeI4zQ/mCUBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:46.120297Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.06761","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fda315425e469b4a43de3ca697391a83ec5496c98b3bb8f6c86d979251255aef","sha256:927e8593d38cdd24dacbfda3e6d9d5ce4e212c0fb636f66f0d088f54cc8b8ec6"],"state_sha256":"5d0dca72caa5c740c50c64c7de5b26ab31ed49d7c9badaedcf32446f985d053b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RPdOdR2EiwWQm72isCRvESBO5bdrBCgP2r8x8bRSTOVNhlXAhxaUnwb28/v2B5sGmCtS0tgqyeubM8231q/IAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:06:42.622796Z","bundle_sha256":"7afc530d156719bd28e4bf676fd5bade62761cfcbd834d273c4af2dcc4fe5687"}}