{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:A3WP4U73Z2QUHA3SFEMOLNJEJI","short_pith_number":"pith:A3WP4U73","canonical_record":{"source":{"id":"cond-mat/0304170","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2003-04-07T21:25:20Z","cross_cats_sorted":["cond-mat.str-el","hep-th"],"title_canon_sha256":"54edd69dae08331a4c1c9da75153d0b96a82730ca27f94a67a4003e4f0cb03e4","abstract_canon_sha256":"93df5c450fc3ab4bbc69388aa2b355f64a011e16cf075300084152d331a8c704"},"schema_version":"1.0"},"canonical_sha256":"06ecfe53fbcea14383722918e5b5244a304a0ad1607da22688309873f5fff16e","source":{"kind":"arxiv","id":"cond-mat/0304170","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0304170","created_at":"2026-07-04T16:38:36Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0304170v1","created_at":"2026-07-04T16:38:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0304170","created_at":"2026-07-04T16:38:36Z"},{"alias_kind":"pith_short_12","alias_value":"A3WP4U73Z2QU","created_at":"2026-07-04T16:38:36Z"},{"alias_kind":"pith_short_16","alias_value":"A3WP4U73Z2QUHA3S","created_at":"2026-07-04T16:38:36Z"},{"alias_kind":"pith_short_8","alias_value":"A3WP4U73","created_at":"2026-07-04T16:38:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:A3WP4U73Z2QUHA3SFEMOLNJEJI","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0304170","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2003-04-07T21:25:20Z","cross_cats_sorted":["cond-mat.str-el","hep-th"],"title_canon_sha256":"54edd69dae08331a4c1c9da75153d0b96a82730ca27f94a67a4003e4f0cb03e4","abstract_canon_sha256":"93df5c450fc3ab4bbc69388aa2b355f64a011e16cf075300084152d331a8c704"},"schema_version":"1.0"},"canonical_sha256":"06ecfe53fbcea14383722918e5b5244a304a0ad1607da22688309873f5fff16e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:38:36.773730Z","signature_b64":"JjGxMFd3qmRuMORt/KNwwmPvFt+TOlyAB4HJ5WP3uP7zorMgskgxVCU+YtK6r0SjVhI+LBgxRKSpgaJa1yLIDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06ecfe53fbcea14383722918e5b5244a304a0ad1607da22688309873f5fff16e","last_reissued_at":"2026-07-04T16:38:36.773352Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:38:36.773352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0304170","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":"2026-07-04T16:38:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xuFUXOkKHwtZULz81/DrqsS569rdSSvuHbvbt7LaO0RoWydSjgfGCIJVJbRvBt+OJtmcir1ee+sMJRgejFJJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:11:55.007528Z"},"content_sha256":"75fd34653d3eed11ef7cf1b92b7f465364b56454104e133f5f3762af506bcd9c","schema_version":"1.0","event_id":"sha256:75fd34653d3eed11ef7cf1b92b7f465364b56454104e133f5f3762af506bcd9c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:A3WP4U73Z2QUHA3SFEMOLNJEJI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Bethe ansatz as a matrix product ansatz","license":"","headline":"","cross_cats":["cond-mat.str-el","hep-th"],"primary_cat":"cond-mat.stat-mech","authors_text":"F. C. Alcaraz, M. J. Lazo","submitted_at":"2003-04-07T21:25:20Z","abstract_excerpt":"The Bethe ansatz in its several formulations is the common tool for the exact solution of one dimensional quantum Hamiltonians. This ansatz asserts that the several eigenfunctions of the Hamiltonians are given in terms of a sum of permutations of plane waves. We present results that induce us to expect that, alternatively, the eigenfunctions of all the exact integrable quantum chains can also be expressed by a matrix product ansatz. In this ansatz the several components of the eigenfunctions are obtained through the algebraic properties of properly defined matrices. This ansatz allows an unifi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0304170","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/cond-mat/0304170/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":"2026-07-04T16:38:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j+i3B9DPE6KJuVylrhcrWQIWxFGQQSONTMBtEC0J1UY3uXe0NgbgOtJ9+jl8ZbNez6Yj0XgNdp8HaNXORdsDAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:11:55.007901Z"},"content_sha256":"f361b5c0d12def77c437d2a53bb115375cbe39fb41f199cffcb481e45fc34cec","schema_version":"1.0","event_id":"sha256:f361b5c0d12def77c437d2a53bb115375cbe39fb41f199cffcb481e45fc34cec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A3WP4U73Z2QUHA3SFEMOLNJEJI/bundle.json","state_url":"https://pith.science/pith/A3WP4U73Z2QUHA3SFEMOLNJEJI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A3WP4U73Z2QUHA3SFEMOLNJEJI/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":"2026-07-06T08:11:55Z","links":{"resolver":"https://pith.science/pith/A3WP4U73Z2QUHA3SFEMOLNJEJI","bundle":"https://pith.science/pith/A3WP4U73Z2QUHA3SFEMOLNJEJI/bundle.json","state":"https://pith.science/pith/A3WP4U73Z2QUHA3SFEMOLNJEJI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A3WP4U73Z2QUHA3SFEMOLNJEJI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:A3WP4U73Z2QUHA3SFEMOLNJEJI","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":"93df5c450fc3ab4bbc69388aa2b355f64a011e16cf075300084152d331a8c704","cross_cats_sorted":["cond-mat.str-el","hep-th"],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2003-04-07T21:25:20Z","title_canon_sha256":"54edd69dae08331a4c1c9da75153d0b96a82730ca27f94a67a4003e4f0cb03e4"},"schema_version":"1.0","source":{"id":"cond-mat/0304170","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0304170","created_at":"2026-07-04T16:38:36Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0304170v1","created_at":"2026-07-04T16:38:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0304170","created_at":"2026-07-04T16:38:36Z"},{"alias_kind":"pith_short_12","alias_value":"A3WP4U73Z2QU","created_at":"2026-07-04T16:38:36Z"},{"alias_kind":"pith_short_16","alias_value":"A3WP4U73Z2QUHA3S","created_at":"2026-07-04T16:38:36Z"},{"alias_kind":"pith_short_8","alias_value":"A3WP4U73","created_at":"2026-07-04T16:38:36Z"}],"graph_snapshots":[{"event_id":"sha256:f361b5c0d12def77c437d2a53bb115375cbe39fb41f199cffcb481e45fc34cec","target":"graph","created_at":"2026-07-04T16:38:36Z","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/cond-mat/0304170/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Bethe ansatz in its several formulations is the common tool for the exact solution of one dimensional quantum Hamiltonians. This ansatz asserts that the several eigenfunctions of the Hamiltonians are given in terms of a sum of permutations of plane waves. We present results that induce us to expect that, alternatively, the eigenfunctions of all the exact integrable quantum chains can also be expressed by a matrix product ansatz. In this ansatz the several components of the eigenfunctions are obtained through the algebraic properties of properly defined matrices. This ansatz allows an unifi","authors_text":"F. C. Alcaraz, M. J. Lazo","cross_cats":["cond-mat.str-el","hep-th"],"headline":"","license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2003-04-07T21:25:20Z","title":"The Bethe ansatz as a matrix product ansatz"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0304170","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":"sha256:75fd34653d3eed11ef7cf1b92b7f465364b56454104e133f5f3762af506bcd9c","target":"record","created_at":"2026-07-04T16:38:36Z","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":"93df5c450fc3ab4bbc69388aa2b355f64a011e16cf075300084152d331a8c704","cross_cats_sorted":["cond-mat.str-el","hep-th"],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2003-04-07T21:25:20Z","title_canon_sha256":"54edd69dae08331a4c1c9da75153d0b96a82730ca27f94a67a4003e4f0cb03e4"},"schema_version":"1.0","source":{"id":"cond-mat/0304170","kind":"arxiv","version":1}},"canonical_sha256":"06ecfe53fbcea14383722918e5b5244a304a0ad1607da22688309873f5fff16e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06ecfe53fbcea14383722918e5b5244a304a0ad1607da22688309873f5fff16e","first_computed_at":"2026-07-04T16:38:36.773352Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:38:36.773352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JjGxMFd3qmRuMORt/KNwwmPvFt+TOlyAB4HJ5WP3uP7zorMgskgxVCU+YtK6r0SjVhI+LBgxRKSpgaJa1yLIDA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:38:36.773730Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0304170","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:75fd34653d3eed11ef7cf1b92b7f465364b56454104e133f5f3762af506bcd9c","sha256:f361b5c0d12def77c437d2a53bb115375cbe39fb41f199cffcb481e45fc34cec"],"state_sha256":"6e8d076060d998575c4d829c1dff3d5ebaf4722530c1e16be01fc96f5aeeec5b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U8kyddiWjPghSkFojr84maMajjsdtt5K6OhwWLUkyoRjkxuKqNIoud9lGAZh/hZ9/cmy2kYgjZ16WcI/iA6fDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T08:11:55.009862Z","bundle_sha256":"a40b1ccfa2fd3d2f6c5144e44c7411e076016499ff0a7470dccee112b3cac149"}}