{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:WFSEQ7J7QHXB63HQ4LB4MPPODI","short_pith_number":"pith:WFSEQ7J7","canonical_record":{"source":{"id":"hep-th/0309144","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2003-09-15T14:52:53Z","cross_cats_sorted":["nlin.SI"],"title_canon_sha256":"cc0a0f2eb78bbeb5cb0bd2db1854851d1e7ddb525b374edd67b6fc6d774dbf37","abstract_canon_sha256":"81a7f0df81690d0fd2fbc1f7e39ba36f74845b4eff89acc9234e7cd82c35e8ec"},"schema_version":"1.0"},"canonical_sha256":"b164487d3f81ee1f6cf0e2c3c63dee1a330a57aba7291dac4c82ca98a3ac3e88","source":{"kind":"arxiv","id":"hep-th/0309144","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0309144","created_at":"2026-05-18T02:35:40Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0309144v1","created_at":"2026-05-18T02:35:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0309144","created_at":"2026-05-18T02:35:40Z"},{"alias_kind":"pith_short_12","alias_value":"WFSEQ7J7QHXB","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"WFSEQ7J7QHXB63HQ","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"WFSEQ7J7","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:WFSEQ7J7QHXB63HQ4LB4MPPODI","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0309144","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2003-09-15T14:52:53Z","cross_cats_sorted":["nlin.SI"],"title_canon_sha256":"cc0a0f2eb78bbeb5cb0bd2db1854851d1e7ddb525b374edd67b6fc6d774dbf37","abstract_canon_sha256":"81a7f0df81690d0fd2fbc1f7e39ba36f74845b4eff89acc9234e7cd82c35e8ec"},"schema_version":"1.0"},"canonical_sha256":"b164487d3f81ee1f6cf0e2c3c63dee1a330a57aba7291dac4c82ca98a3ac3e88","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:35:40.205048Z","signature_b64":"qWjbLupJCI+nAr6VTFDZbMjG3mUB19OT50AkIssBDNRKxAwDBd826n6lf2sEXbNze9nNZoPAytf/IiQ2YHvgDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b164487d3f81ee1f6cf0e2c3c63dee1a330a57aba7291dac4c82ca98a3ac3e88","last_reissued_at":"2026-05-18T02:35:40.204564Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:35:40.204564Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0309144","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":"2026-05-18T02:35:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/zZIewlhnXzLj4dvro4DdoUEAuJw/Gm0YOYFz1NWLJ98KyhGZH89mGqySwvB4pBCR5zy4TcYhvrFqkUGmKyRBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T04:58:50.580012Z"},"content_sha256":"0e0a1c548d2c743e9d4b5c0f4ee39cf775caa285b7db8d182e2dc50ae38d2eb0","schema_version":"1.0","event_id":"sha256:0e0a1c548d2c743e9d4b5c0f4ee39cf775caa285b7db8d182e2dc50ae38d2eb0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:WFSEQ7J7QHXB63HQ4LB4MPPODI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Baxter Q-operator and Separation of Variables for the open SL(2,R) spin chain","license":"","headline":"","cross_cats":["nlin.SI"],"primary_cat":"hep-th","authors_text":"A.N.Manashov, D.E.Derkachov, G.P.Korchemsky","submitted_at":"2003-09-15T14:52:53Z","abstract_excerpt":"We construct the Baxter Q-operator and the representation of the Separated Variables (SoV) for the homogeneous open SL(2,R) spin chain. Applying the diagrammatical approach, we calculate Sklyanin's integration measure in the separated variables and obtain the solution to the spectral problem for the model in terms of the eigenvalues of the Q-operator. We show that the transition kernel to the SoV representation is factorized into the product of certain operators each depending on a single separated variable. As a consequence, it has a universal pyramid-like form that has been already observed "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0309144","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":"2026-05-18T02:35:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KcztUJilPRXGSz+6JrbCFsHQVqc4LB2qVdtpELylfhFNC17Ry2aGsxgxP7/lJwPC80jLjcDRrYMW3HGfYuzwBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T04:58:50.580365Z"},"content_sha256":"8a2c8dfc27097e35703e6c42f462476c786f68feff06106ec6315a200fbb40d4","schema_version":"1.0","event_id":"sha256:8a2c8dfc27097e35703e6c42f462476c786f68feff06106ec6315a200fbb40d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WFSEQ7J7QHXB63HQ4LB4MPPODI/bundle.json","state_url":"https://pith.science/pith/WFSEQ7J7QHXB63HQ4LB4MPPODI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WFSEQ7J7QHXB63HQ4LB4MPPODI/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":"2026-06-12T04:58:50Z","links":{"resolver":"https://pith.science/pith/WFSEQ7J7QHXB63HQ4LB4MPPODI","bundle":"https://pith.science/pith/WFSEQ7J7QHXB63HQ4LB4MPPODI/bundle.json","state":"https://pith.science/pith/WFSEQ7J7QHXB63HQ4LB4MPPODI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WFSEQ7J7QHXB63HQ4LB4MPPODI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:WFSEQ7J7QHXB63HQ4LB4MPPODI","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":"81a7f0df81690d0fd2fbc1f7e39ba36f74845b4eff89acc9234e7cd82c35e8ec","cross_cats_sorted":["nlin.SI"],"license":"","primary_cat":"hep-th","submitted_at":"2003-09-15T14:52:53Z","title_canon_sha256":"cc0a0f2eb78bbeb5cb0bd2db1854851d1e7ddb525b374edd67b6fc6d774dbf37"},"schema_version":"1.0","source":{"id":"hep-th/0309144","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0309144","created_at":"2026-05-18T02:35:40Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0309144v1","created_at":"2026-05-18T02:35:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0309144","created_at":"2026-05-18T02:35:40Z"},{"alias_kind":"pith_short_12","alias_value":"WFSEQ7J7QHXB","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"WFSEQ7J7QHXB63HQ","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"WFSEQ7J7","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:8a2c8dfc27097e35703e6c42f462476c786f68feff06106ec6315a200fbb40d4","target":"graph","created_at":"2026-05-18T02:35:40Z","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 construct the Baxter Q-operator and the representation of the Separated Variables (SoV) for the homogeneous open SL(2,R) spin chain. Applying the diagrammatical approach, we calculate Sklyanin's integration measure in the separated variables and obtain the solution to the spectral problem for the model in terms of the eigenvalues of the Q-operator. We show that the transition kernel to the SoV representation is factorized into the product of certain operators each depending on a single separated variable. As a consequence, it has a universal pyramid-like form that has been already observed ","authors_text":"A.N.Manashov, D.E.Derkachov, G.P.Korchemsky","cross_cats":["nlin.SI"],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2003-09-15T14:52:53Z","title":"Baxter Q-operator and Separation of Variables for the open SL(2,R) spin chain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0309144","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":"sha256:0e0a1c548d2c743e9d4b5c0f4ee39cf775caa285b7db8d182e2dc50ae38d2eb0","target":"record","created_at":"2026-05-18T02:35:40Z","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":"81a7f0df81690d0fd2fbc1f7e39ba36f74845b4eff89acc9234e7cd82c35e8ec","cross_cats_sorted":["nlin.SI"],"license":"","primary_cat":"hep-th","submitted_at":"2003-09-15T14:52:53Z","title_canon_sha256":"cc0a0f2eb78bbeb5cb0bd2db1854851d1e7ddb525b374edd67b6fc6d774dbf37"},"schema_version":"1.0","source":{"id":"hep-th/0309144","kind":"arxiv","version":1}},"canonical_sha256":"b164487d3f81ee1f6cf0e2c3c63dee1a330a57aba7291dac4c82ca98a3ac3e88","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b164487d3f81ee1f6cf0e2c3c63dee1a330a57aba7291dac4c82ca98a3ac3e88","first_computed_at":"2026-05-18T02:35:40.204564Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:35:40.204564Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qWjbLupJCI+nAr6VTFDZbMjG3mUB19OT50AkIssBDNRKxAwDBd826n6lf2sEXbNze9nNZoPAytf/IiQ2YHvgDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:35:40.205048Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0309144","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e0a1c548d2c743e9d4b5c0f4ee39cf775caa285b7db8d182e2dc50ae38d2eb0","sha256:8a2c8dfc27097e35703e6c42f462476c786f68feff06106ec6315a200fbb40d4"],"state_sha256":"6214456d97895c53609f63547e78571308b574fb7f3b5c2be73388b16c58f0ac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IRLMCBL4ql9xDEdG3BY41d0c/HpHG3tiJnDf3SCH4Fqnorbfh+gq0RoTJFbKRhcf5YUBoKqBSkfUcXLRMG+FAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T04:58:50.582470Z","bundle_sha256":"7d8ea76ce041b5a7832142da7e88310f231ff090b155bcac153db8a60ccfcb01"}}