{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:35334ZKPKE5D3O6KHTRUKJ5RWF","short_pith_number":"pith:35334ZKP","canonical_record":{"source":{"id":"1806.00422","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-06-01T16:20:09Z","cross_cats_sorted":[],"title_canon_sha256":"4dfe17b8a96941a7400ccd08ecaea12bee0739ae27cb50618191f5dc3703929e","abstract_canon_sha256":"78a23e3794782d4a9904bd992fdfe1419d5df7bb4a107aef733b8a3aef291e98"},"schema_version":"1.0"},"canonical_sha256":"df77be654f513a3dbbca3ce34527b1b17c2fdd70f35c37657cf4238a4e47e977","source":{"kind":"arxiv","id":"1806.00422","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.00422","created_at":"2026-05-17T23:54:34Z"},{"alias_kind":"arxiv_version","alias_value":"1806.00422v2","created_at":"2026-05-17T23:54:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.00422","created_at":"2026-05-17T23:54:34Z"},{"alias_kind":"pith_short_12","alias_value":"35334ZKPKE5D","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"35334ZKPKE5D3O6K","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"35334ZKP","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:35334ZKPKE5D3O6KHTRUKJ5RWF","target":"record","payload":{"canonical_record":{"source":{"id":"1806.00422","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-06-01T16:20:09Z","cross_cats_sorted":[],"title_canon_sha256":"4dfe17b8a96941a7400ccd08ecaea12bee0739ae27cb50618191f5dc3703929e","abstract_canon_sha256":"78a23e3794782d4a9904bd992fdfe1419d5df7bb4a107aef733b8a3aef291e98"},"schema_version":"1.0"},"canonical_sha256":"df77be654f513a3dbbca3ce34527b1b17c2fdd70f35c37657cf4238a4e47e977","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:34.401802Z","signature_b64":"I1oKAS/qfNdVImW7ty80ZkEZnliUsjyxWcq778tPtMm3JpIEg7V+pl4rXtu0zomvLknD3ejDlDBm4tzyrMbIAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df77be654f513a3dbbca3ce34527b1b17c2fdd70f35c37657cf4238a4e47e977","last_reissued_at":"2026-05-17T23:54:34.401245Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:34.401245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.00422","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":"2026-05-17T23:54:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"diYE8yJRdiODUhiocuhLzYKhoKgy8HnrAhcGsCt7Wrl0BP9JmJ0sV5UUPlKHO+YPEGvGeXeJMXAAmsKiuxwRBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:26:49.620233Z"},"content_sha256":"c45024b862e98db495cce89911917f13652aad24d3943a07202a73eced086582","schema_version":"1.0","event_id":"sha256:c45024b862e98db495cce89911917f13652aad24d3943a07202a73eced086582"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:35334ZKPKE5D3O6KHTRUKJ5RWF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Integrable spin chain for stringy Wess-Zumino-Witten models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Alessandro Sfondrini, Andrea Dei","submitted_at":"2018-06-01T16:20:09Z","abstract_excerpt":"Building on arXiv:1804.01998 we investigate the integrable structure of the Wess-Zumino-Witten (WZW) model describing closed strings on $AdS_3\\times S^3\\times T^4$. Using the recently-proposed integrable S matrix we show analytically that all wrapping corrections cancel and that the theory has a natural spin-chain interpretation. We construct the integrable spin chain and discuss its relation with the WZW description. Finally we compute the spin-chain spectrum in closed form and show that it matches the WZW prediction on the nose."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.00422","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":"2026-05-17T23:54:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9lMo3hheHe2Ozy0M7o6bWa6OzNzJIzGNJk4uJtuImDtr7laQbX86AEoSxk4sjJyTuuk6ar1LyBPVQnn+HgSKBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:26:49.620875Z"},"content_sha256":"66c44403a8444eeba2941653659459d2ce964f7ba5dbeab95ee6b667132eea4b","schema_version":"1.0","event_id":"sha256:66c44403a8444eeba2941653659459d2ce964f7ba5dbeab95ee6b667132eea4b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/35334ZKPKE5D3O6KHTRUKJ5RWF/bundle.json","state_url":"https://pith.science/pith/35334ZKPKE5D3O6KHTRUKJ5RWF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/35334ZKPKE5D3O6KHTRUKJ5RWF/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":"2026-06-04T04:26:49Z","links":{"resolver":"https://pith.science/pith/35334ZKPKE5D3O6KHTRUKJ5RWF","bundle":"https://pith.science/pith/35334ZKPKE5D3O6KHTRUKJ5RWF/bundle.json","state":"https://pith.science/pith/35334ZKPKE5D3O6KHTRUKJ5RWF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/35334ZKPKE5D3O6KHTRUKJ5RWF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:35334ZKPKE5D3O6KHTRUKJ5RWF","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":"78a23e3794782d4a9904bd992fdfe1419d5df7bb4a107aef733b8a3aef291e98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-06-01T16:20:09Z","title_canon_sha256":"4dfe17b8a96941a7400ccd08ecaea12bee0739ae27cb50618191f5dc3703929e"},"schema_version":"1.0","source":{"id":"1806.00422","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.00422","created_at":"2026-05-17T23:54:34Z"},{"alias_kind":"arxiv_version","alias_value":"1806.00422v2","created_at":"2026-05-17T23:54:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.00422","created_at":"2026-05-17T23:54:34Z"},{"alias_kind":"pith_short_12","alias_value":"35334ZKPKE5D","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"35334ZKPKE5D3O6K","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"35334ZKP","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:66c44403a8444eeba2941653659459d2ce964f7ba5dbeab95ee6b667132eea4b","target":"graph","created_at":"2026-05-17T23:54:34Z","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":"Building on arXiv:1804.01998 we investigate the integrable structure of the Wess-Zumino-Witten (WZW) model describing closed strings on $AdS_3\\times S^3\\times T^4$. Using the recently-proposed integrable S matrix we show analytically that all wrapping corrections cancel and that the theory has a natural spin-chain interpretation. We construct the integrable spin chain and discuss its relation with the WZW description. Finally we compute the spin-chain spectrum in closed form and show that it matches the WZW prediction on the nose.","authors_text":"Alessandro Sfondrini, Andrea Dei","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-06-01T16:20:09Z","title":"Integrable spin chain for stringy Wess-Zumino-Witten models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.00422","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:c45024b862e98db495cce89911917f13652aad24d3943a07202a73eced086582","target":"record","created_at":"2026-05-17T23:54:34Z","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":"78a23e3794782d4a9904bd992fdfe1419d5df7bb4a107aef733b8a3aef291e98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-06-01T16:20:09Z","title_canon_sha256":"4dfe17b8a96941a7400ccd08ecaea12bee0739ae27cb50618191f5dc3703929e"},"schema_version":"1.0","source":{"id":"1806.00422","kind":"arxiv","version":2}},"canonical_sha256":"df77be654f513a3dbbca3ce34527b1b17c2fdd70f35c37657cf4238a4e47e977","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df77be654f513a3dbbca3ce34527b1b17c2fdd70f35c37657cf4238a4e47e977","first_computed_at":"2026-05-17T23:54:34.401245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:34.401245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I1oKAS/qfNdVImW7ty80ZkEZnliUsjyxWcq778tPtMm3JpIEg7V+pl4rXtu0zomvLknD3ejDlDBm4tzyrMbIAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:34.401802Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.00422","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c45024b862e98db495cce89911917f13652aad24d3943a07202a73eced086582","sha256:66c44403a8444eeba2941653659459d2ce964f7ba5dbeab95ee6b667132eea4b"],"state_sha256":"4974196bd934eb0ce2ac3878ee2d6e74e397f74bd5762129647c926bf2385625"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zuNtTRqTy6/OB7gzgfec0dQnPE7B8EUEoKKucKj0A76UX6FmmXbRuaSUAxELQWmubIS0hhzDOOKDnMofCkjoCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T04:26:49.624370Z","bundle_sha256":"da13082f8022ab46314c43e5c28e7455cdc22381a6aca3ee82b347428cdc03e0"}}