{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:EE6CE2LPHQONWWMTYNFA2HL2Z2","short_pith_number":"pith:EE6CE2LP","schema_version":"1.0","canonical_sha256":"213c22696f3c1cdb5993c34a0d1d7aceba0a41d070c621de60a0325d7c9408c5","source":{"kind":"arxiv","id":"1812.10043","version":1},"attestation_state":"computed","paper":{"title":"Q-operator for the quantum NLS model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"hep-th","authors_text":"N. Belousov, S. Derkachov","submitted_at":"2018-12-25T06:02:27Z","abstract_excerpt":"In this paper we show that the operator introduced by A. A. Tsvetkov enjoys all the needed properties of a Q-operator. It is shown that the Q-operator of the XXX spin chain with generic values of spin turns into Tsvetkov's operator in the continuum limit for large spin."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1812.10043","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-25T06:02:27Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"64fe3ec959dba0a17140f9bbfdefabaeac7ffac5eaaa913533c84e94fa61e09c","abstract_canon_sha256":"8d9384935010c6536b0ba0615b926a5283bacb0593217f2f82572cc4cffa4084"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:25.246389Z","signature_b64":"DSbmzZak3wty85KQ+nnj38n078a9/phTkMp2F5lNvcq1kxZwI4ZW1W50McsTpGpXOOxy29NaNsby8GUyqG45Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"213c22696f3c1cdb5993c34a0d1d7aceba0a41d070c621de60a0325d7c9408c5","last_reissued_at":"2026-05-17T23:57:25.245734Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:25.245734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Q-operator for the quantum NLS model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"hep-th","authors_text":"N. Belousov, S. Derkachov","submitted_at":"2018-12-25T06:02:27Z","abstract_excerpt":"In this paper we show that the operator introduced by A. A. Tsvetkov enjoys all the needed properties of a Q-operator. It is shown that the Q-operator of the XXX spin chain with generic values of spin turns into Tsvetkov's operator in the continuum limit for large spin."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.10043","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1812.10043","created_at":"2026-05-17T23:57:25.245848+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.10043v1","created_at":"2026-05-17T23:57:25.245848+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.10043","created_at":"2026-05-17T23:57:25.245848+00:00"},{"alias_kind":"pith_short_12","alias_value":"EE6CE2LPHQON","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_16","alias_value":"EE6CE2LPHQONWWMT","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_8","alias_value":"EE6CE2LP","created_at":"2026-05-18T12:32:22.470017+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EE6CE2LPHQONWWMTYNFA2HL2Z2","json":"https://pith.science/pith/EE6CE2LPHQONWWMTYNFA2HL2Z2.json","graph_json":"https://pith.science/api/pith-number/EE6CE2LPHQONWWMTYNFA2HL2Z2/graph.json","events_json":"https://pith.science/api/pith-number/EE6CE2LPHQONWWMTYNFA2HL2Z2/events.json","paper":"https://pith.science/paper/EE6CE2LP"},"agent_actions":{"view_html":"https://pith.science/pith/EE6CE2LPHQONWWMTYNFA2HL2Z2","download_json":"https://pith.science/pith/EE6CE2LPHQONWWMTYNFA2HL2Z2.json","view_paper":"https://pith.science/paper/EE6CE2LP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.10043&json=true","fetch_graph":"https://pith.science/api/pith-number/EE6CE2LPHQONWWMTYNFA2HL2Z2/graph.json","fetch_events":"https://pith.science/api/pith-number/EE6CE2LPHQONWWMTYNFA2HL2Z2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EE6CE2LPHQONWWMTYNFA2HL2Z2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EE6CE2LPHQONWWMTYNFA2HL2Z2/action/storage_attestation","attest_author":"https://pith.science/pith/EE6CE2LPHQONWWMTYNFA2HL2Z2/action/author_attestation","sign_citation":"https://pith.science/pith/EE6CE2LPHQONWWMTYNFA2HL2Z2/action/citation_signature","submit_replication":"https://pith.science/pith/EE6CE2LPHQONWWMTYNFA2HL2Z2/action/replication_record"}},"created_at":"2026-05-17T23:57:25.245848+00:00","updated_at":"2026-05-17T23:57:25.245848+00:00"}