{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:PDMGK5FZSA57VBCMQENEPXWDM6","short_pith_number":"pith:PDMGK5FZ","canonical_record":{"source":{"id":"1404.2095","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-04-08T11:48:16Z","cross_cats_sorted":["cond-mat.str-el","math.QA"],"title_canon_sha256":"ae31587052e4fbc4c1f89b89c6322bacd65cdd7fd82d6dac8e9a85d357f144a8","abstract_canon_sha256":"32f30762b294ca02351ad590712af80a28a54faa58fcfd89d4acb79faeec798d"},"schema_version":"1.0"},"canonical_sha256":"78d86574b9903bfa844c811a47dec367bea98678bfdc5d7cdcd8d05a9bd0cc8c","source":{"kind":"arxiv","id":"1404.2095","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.2095","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"arxiv_version","alias_value":"1404.2095v2","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.2095","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"pith_short_12","alias_value":"PDMGK5FZSA57","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PDMGK5FZSA57VBCM","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PDMGK5FZ","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:PDMGK5FZSA57VBCMQENEPXWDM6","target":"record","payload":{"canonical_record":{"source":{"id":"1404.2095","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-04-08T11:48:16Z","cross_cats_sorted":["cond-mat.str-el","math.QA"],"title_canon_sha256":"ae31587052e4fbc4c1f89b89c6322bacd65cdd7fd82d6dac8e9a85d357f144a8","abstract_canon_sha256":"32f30762b294ca02351ad590712af80a28a54faa58fcfd89d4acb79faeec798d"},"schema_version":"1.0"},"canonical_sha256":"78d86574b9903bfa844c811a47dec367bea98678bfdc5d7cdcd8d05a9bd0cc8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:36.523782Z","signature_b64":"TZDbTEi5hTlRA8ru51Ocx5+0Cbtq9tkhTHPm0v5Omi3+SEBoM3gIbAPqvXsuftWVN+GZOt8IIR36jwKJJIKbAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78d86574b9903bfa844c811a47dec367bea98678bfdc5d7cdcd8d05a9bd0cc8c","last_reissued_at":"2026-05-18T01:43:36.523206Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:36.523206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.2095","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":"2026-05-18T01:43:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HzQb2YMcB11ri9AM/Ol/lQy84ju+nrk0/+fuiYKaQAzVomIxbiDQVCH2lb58su7rXqOhfJz06aJ41fEBCk2PAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T10:30:56.029723Z"},"content_sha256":"720d89f1319f99c9ecc30ecc67e33d3b12a7e1c2eeeba52e2ef526b12d4d5fd1","schema_version":"1.0","event_id":"sha256:720d89f1319f99c9ecc30ecc67e33d3b12a7e1c2eeeba52e2ef526b12d4d5fd1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:PDMGK5FZSA57VBCMQENEPXWDM6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Twisted Yangian symmetry of the open Hubbard model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","math.QA"],"primary_cat":"hep-th","authors_text":"Alejandro De La Rosa Gomez, Niall J. MacKay","submitted_at":"2014-04-08T11:48:16Z","abstract_excerpt":"We show that, in the open Hubbard model with integrable boundary conditions, the bulk Yangian symmetry is broken to a twisted Yangian. We prove that the associated charges commute with the Hamiltonian and the reflection matrix, and that they form a coideal subalgebra."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.2095","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":"2026-05-18T01:43:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VDEWupBh+QyXpCqxc7pT52+JxRi9QgMTgU2k1PxGcdmiMyv6+yUfBn62R1xWNWr2QP7YKhh5YjLMM1lqxiH7DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T10:30:56.030066Z"},"content_sha256":"ec0ef1a9956b7ef2e6c12fa45a7404965b46cb4c16348d35ffdb83b19d494f2a","schema_version":"1.0","event_id":"sha256:ec0ef1a9956b7ef2e6c12fa45a7404965b46cb4c16348d35ffdb83b19d494f2a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PDMGK5FZSA57VBCMQENEPXWDM6/bundle.json","state_url":"https://pith.science/pith/PDMGK5FZSA57VBCMQENEPXWDM6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PDMGK5FZSA57VBCMQENEPXWDM6/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":"2026-06-01T10:30:56Z","links":{"resolver":"https://pith.science/pith/PDMGK5FZSA57VBCMQENEPXWDM6","bundle":"https://pith.science/pith/PDMGK5FZSA57VBCMQENEPXWDM6/bundle.json","state":"https://pith.science/pith/PDMGK5FZSA57VBCMQENEPXWDM6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PDMGK5FZSA57VBCMQENEPXWDM6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:PDMGK5FZSA57VBCMQENEPXWDM6","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":"32f30762b294ca02351ad590712af80a28a54faa58fcfd89d4acb79faeec798d","cross_cats_sorted":["cond-mat.str-el","math.QA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-04-08T11:48:16Z","title_canon_sha256":"ae31587052e4fbc4c1f89b89c6322bacd65cdd7fd82d6dac8e9a85d357f144a8"},"schema_version":"1.0","source":{"id":"1404.2095","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.2095","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"arxiv_version","alias_value":"1404.2095v2","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.2095","created_at":"2026-05-18T01:43:36Z"},{"alias_kind":"pith_short_12","alias_value":"PDMGK5FZSA57","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PDMGK5FZSA57VBCM","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PDMGK5FZ","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:ec0ef1a9956b7ef2e6c12fa45a7404965b46cb4c16348d35ffdb83b19d494f2a","target":"graph","created_at":"2026-05-18T01:43:36Z","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"},"paper":{"abstract_excerpt":"We show that, in the open Hubbard model with integrable boundary conditions, the bulk Yangian symmetry is broken to a twisted Yangian. We prove that the associated charges commute with the Hamiltonian and the reflection matrix, and that they form a coideal subalgebra.","authors_text":"Alejandro De La Rosa Gomez, Niall J. MacKay","cross_cats":["cond-mat.str-el","math.QA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-04-08T11:48:16Z","title":"Twisted Yangian symmetry of the open Hubbard model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.2095","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":"sha256:720d89f1319f99c9ecc30ecc67e33d3b12a7e1c2eeeba52e2ef526b12d4d5fd1","target":"record","created_at":"2026-05-18T01:43:36Z","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":"32f30762b294ca02351ad590712af80a28a54faa58fcfd89d4acb79faeec798d","cross_cats_sorted":["cond-mat.str-el","math.QA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-04-08T11:48:16Z","title_canon_sha256":"ae31587052e4fbc4c1f89b89c6322bacd65cdd7fd82d6dac8e9a85d357f144a8"},"schema_version":"1.0","source":{"id":"1404.2095","kind":"arxiv","version":2}},"canonical_sha256":"78d86574b9903bfa844c811a47dec367bea98678bfdc5d7cdcd8d05a9bd0cc8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78d86574b9903bfa844c811a47dec367bea98678bfdc5d7cdcd8d05a9bd0cc8c","first_computed_at":"2026-05-18T01:43:36.523206Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:36.523206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TZDbTEi5hTlRA8ru51Ocx5+0Cbtq9tkhTHPm0v5Omi3+SEBoM3gIbAPqvXsuftWVN+GZOt8IIR36jwKJJIKbAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:36.523782Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.2095","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:720d89f1319f99c9ecc30ecc67e33d3b12a7e1c2eeeba52e2ef526b12d4d5fd1","sha256:ec0ef1a9956b7ef2e6c12fa45a7404965b46cb4c16348d35ffdb83b19d494f2a"],"state_sha256":"43b07f17f9b98de7c408a000ad5db7e7fa976903dc2d366ea82d6c8b08752f35"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AlmbtUMjYBvnytzmulthUuqFegDo/ELTxRP9dBEkSBgHtgK32uc0BH2N6kbXQz6sohLboCzzhSCdT26PJEGCCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T10:30:56.032046Z","bundle_sha256":"e3414bbf4e0b83839d28b7ce327c391db6d3fa5f0cc3f1bfd627f2c068156d38"}}