{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1994:AR2Z4WIYRRIHMY37Z6UVTWQVVR","short_pith_number":"pith:AR2Z4WIY","canonical_record":{"source":{"id":"hep-th/9409130","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1994-09-21T17:02:21Z","cross_cats_sorted":[],"title_canon_sha256":"e2d4ea3bac579a853fc9d3acba7b4ff4bb1247eb00c848a84a46423fd4cee25d","abstract_canon_sha256":"de4c50e63243f3b922a36caebf0e094a2c0130ca62513b0849058e5091664046"},"schema_version":"1.0"},"canonical_sha256":"04759e59188c5076637fcfa959da15ac773daff090548ea0293179597880f01b","source":{"kind":"arxiv","id":"hep-th/9409130","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9409130","created_at":"2026-05-18T01:38:41Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9409130v1","created_at":"2026-05-18T01:38:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9409130","created_at":"2026-05-18T01:38:41Z"},{"alias_kind":"pith_short_12","alias_value":"AR2Z4WIYRRIH","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"AR2Z4WIYRRIHMY37","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"AR2Z4WIY","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1994:AR2Z4WIYRRIHMY37Z6UVTWQVVR","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9409130","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1994-09-21T17:02:21Z","cross_cats_sorted":[],"title_canon_sha256":"e2d4ea3bac579a853fc9d3acba7b4ff4bb1247eb00c848a84a46423fd4cee25d","abstract_canon_sha256":"de4c50e63243f3b922a36caebf0e094a2c0130ca62513b0849058e5091664046"},"schema_version":"1.0"},"canonical_sha256":"04759e59188c5076637fcfa959da15ac773daff090548ea0293179597880f01b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:41.374771Z","signature_b64":"ts18xiES7gfmQ24w4gdeRbWBo6eipuI007Pc0qa0fTDhUD24lnL/svxK4dqceu5kqHy5RckNyTDFcZS0GytuAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04759e59188c5076637fcfa959da15ac773daff090548ea0293179597880f01b","last_reissued_at":"2026-05-18T01:38:41.374382Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:41.374382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9409130","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":"2026-05-18T01:38:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8sya2ro+1+HgdQRKpYjuvM++gTvTGJdbgnPx2vFyNKQvFh1hC2iSBmJ1X0KFwmVTDluv3A/FWoflqO3LvDY5Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T23:28:28.916961Z"},"content_sha256":"7ba04e37cb1a7b349a9800afbb77171a890f72726eb6ee2d1e8ee50a06e3cb01","schema_version":"1.0","event_id":"sha256:7ba04e37cb1a7b349a9800afbb77171a890f72726eb6ee2d1e8ee50a06e3cb01"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1994:AR2Z4WIYRRIHMY37Z6UVTWQVVR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectrum of transfer matrix for $U_q(B_n)$-invariant $A^{(2)}_{2n}$ open spin chain","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Luca Mezincescu, Rafael I. Nepomechie, Simone Artz","submitted_at":"1994-09-21T17:02:21Z","abstract_excerpt":"We propose an expression for the eigenvalues of the transfer matrix for the $U_q(B_n)$-invariant open quantum spin chain associated with the fundamental representation of $A^{(2)}_{2n}$. By assumption, the Bethe Ansatz equations are ``doubled'' with respect to those of the corresponding closed chain with periodic boundary conditions. We verify that the transfer matrix eigenvalues have the correct analyticity properties and asymptotic behavior. We also briefly discuss the structure of the eigenstates of the transfer matrix."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9409130","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":"2026-05-18T01:38:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pZoPYUPPGPL8VrPEn+YeHI+w4HssztfOTpSScOH7byn3o/O+8wu/y/kxFQGsfgO2C2KR5GffTTLyq/pqkhZMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T23:28:28.917653Z"},"content_sha256":"62338d4b061628e10cce365e6fcc736acb7976262d4b3d96ccd78391332f873d","schema_version":"1.0","event_id":"sha256:62338d4b061628e10cce365e6fcc736acb7976262d4b3d96ccd78391332f873d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AR2Z4WIYRRIHMY37Z6UVTWQVVR/bundle.json","state_url":"https://pith.science/pith/AR2Z4WIYRRIHMY37Z6UVTWQVVR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AR2Z4WIYRRIHMY37Z6UVTWQVVR/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":"2026-05-19T23:28:28Z","links":{"resolver":"https://pith.science/pith/AR2Z4WIYRRIHMY37Z6UVTWQVVR","bundle":"https://pith.science/pith/AR2Z4WIYRRIHMY37Z6UVTWQVVR/bundle.json","state":"https://pith.science/pith/AR2Z4WIYRRIHMY37Z6UVTWQVVR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AR2Z4WIYRRIHMY37Z6UVTWQVVR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1994:AR2Z4WIYRRIHMY37Z6UVTWQVVR","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":"de4c50e63243f3b922a36caebf0e094a2c0130ca62513b0849058e5091664046","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1994-09-21T17:02:21Z","title_canon_sha256":"e2d4ea3bac579a853fc9d3acba7b4ff4bb1247eb00c848a84a46423fd4cee25d"},"schema_version":"1.0","source":{"id":"hep-th/9409130","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9409130","created_at":"2026-05-18T01:38:41Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9409130v1","created_at":"2026-05-18T01:38:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9409130","created_at":"2026-05-18T01:38:41Z"},{"alias_kind":"pith_short_12","alias_value":"AR2Z4WIYRRIH","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"AR2Z4WIYRRIHMY37","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"AR2Z4WIY","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:62338d4b061628e10cce365e6fcc736acb7976262d4b3d96ccd78391332f873d","target":"graph","created_at":"2026-05-18T01:38:41Z","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 propose an expression for the eigenvalues of the transfer matrix for the $U_q(B_n)$-invariant open quantum spin chain associated with the fundamental representation of $A^{(2)}_{2n}$. By assumption, the Bethe Ansatz equations are ``doubled'' with respect to those of the corresponding closed chain with periodic boundary conditions. We verify that the transfer matrix eigenvalues have the correct analyticity properties and asymptotic behavior. We also briefly discuss the structure of the eigenstates of the transfer matrix.","authors_text":"Luca Mezincescu, Rafael I. Nepomechie, Simone Artz","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1994-09-21T17:02:21Z","title":"Spectrum of transfer matrix for $U_q(B_n)$-invariant $A^{(2)}_{2n}$ open spin chain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9409130","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":"sha256:7ba04e37cb1a7b349a9800afbb77171a890f72726eb6ee2d1e8ee50a06e3cb01","target":"record","created_at":"2026-05-18T01:38:41Z","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":"de4c50e63243f3b922a36caebf0e094a2c0130ca62513b0849058e5091664046","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1994-09-21T17:02:21Z","title_canon_sha256":"e2d4ea3bac579a853fc9d3acba7b4ff4bb1247eb00c848a84a46423fd4cee25d"},"schema_version":"1.0","source":{"id":"hep-th/9409130","kind":"arxiv","version":1}},"canonical_sha256":"04759e59188c5076637fcfa959da15ac773daff090548ea0293179597880f01b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"04759e59188c5076637fcfa959da15ac773daff090548ea0293179597880f01b","first_computed_at":"2026-05-18T01:38:41.374382Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:41.374382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ts18xiES7gfmQ24w4gdeRbWBo6eipuI007Pc0qa0fTDhUD24lnL/svxK4dqceu5kqHy5RckNyTDFcZS0GytuAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:41.374771Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9409130","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ba04e37cb1a7b349a9800afbb77171a890f72726eb6ee2d1e8ee50a06e3cb01","sha256:62338d4b061628e10cce365e6fcc736acb7976262d4b3d96ccd78391332f873d"],"state_sha256":"1dfae507d7195e9f133c48e3f46efb356eaaeea0972bd2e49028dd26676e3e93"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cCJWPxU0V0R2JydjpseU++nmWmYq+Zms5sgW5KCFARgJ5k9wmHfLHFhDT9ev0Kd0kIiA/pQk2rLf5bSmwRg6Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T23:28:28.922034Z","bundle_sha256":"8c510eb011d6fea85106e7e654a7e39433e5824113a0e5b40b175033c483e15d"}}