{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:LOD3TYSHJSFXXJBFSXCKQ56HOC","short_pith_number":"pith:LOD3TYSH","canonical_record":{"source":{"id":"1812.08195","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-19T19:07:07Z","cross_cats_sorted":[],"title_canon_sha256":"d4c3fbfe3fc6819cf9cdf61a60b0884e5f95ac23590a160aadd3c93413ac9dac","abstract_canon_sha256":"f797fdf4612d1e910971894e6981283ed976568c8a4a09a9c43ba97e4e13f35a"},"schema_version":"1.0"},"canonical_sha256":"5b87b9e2474c8b7ba42595c4a877c7709dbbf7b50c0beddf8a166f61d61905cc","source":{"kind":"arxiv","id":"1812.08195","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.08195","created_at":"2026-05-17T23:50:08Z"},{"alias_kind":"arxiv_version","alias_value":"1812.08195v2","created_at":"2026-05-17T23:50:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.08195","created_at":"2026-05-17T23:50:08Z"},{"alias_kind":"pith_short_12","alias_value":"LOD3TYSHJSFX","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LOD3TYSHJSFXXJBF","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LOD3TYSH","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:LOD3TYSHJSFXXJBFSXCKQ56HOC","target":"record","payload":{"canonical_record":{"source":{"id":"1812.08195","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-19T19:07:07Z","cross_cats_sorted":[],"title_canon_sha256":"d4c3fbfe3fc6819cf9cdf61a60b0884e5f95ac23590a160aadd3c93413ac9dac","abstract_canon_sha256":"f797fdf4612d1e910971894e6981283ed976568c8a4a09a9c43ba97e4e13f35a"},"schema_version":"1.0"},"canonical_sha256":"5b87b9e2474c8b7ba42595c4a877c7709dbbf7b50c0beddf8a166f61d61905cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:08.996779Z","signature_b64":"vMwA9iOhtkaIlXMP2IoKL0R8X3UCzYk/3L+JNs7uIlk7vg3lkdndd/QDHF/Z6eDf7L2BpY0QOHvC+T5ui6XIBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b87b9e2474c8b7ba42595c4a877c7709dbbf7b50c0beddf8a166f61d61905cc","last_reissued_at":"2026-05-17T23:50:08.996125Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:08.996125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.08195","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":"2026-05-17T23:50:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"npa6VSSd2VCgzp3A+WArIq40ioBsM+pRDVMqWUXSw67xGmSvVIafZzED0HGc/Lj/LM4Rj1xSckhLCvczdtLrAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:04:18.820813Z"},"content_sha256":"46433d63813d6b8864d0169c3ef4cdc333986b2a2b62a1412ba9a07da8f39fd2","schema_version":"1.0","event_id":"sha256:46433d63813d6b8864d0169c3ef4cdc333986b2a2b62a1412ba9a07da8f39fd2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:LOD3TYSHJSFXXJBFSXCKQ56HOC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Integrable S matrix, mirror TBA and spectrum for the stringy $\\text{AdS}_{3}\\times\\text{S}^3\\times\\text{S}^3\\times\\text{S}^1$ WZW model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Alessandro Sfondrini, Andrea Dei","submitted_at":"2018-12-19T19:07:07Z","abstract_excerpt":"We compute the tree-level bosonic S matrix in light-cone gauge for superstrings on pure-NSNS $\\text{AdS}_{3}\\times\\text{S}^3\\times\\text{S}^3\\times\\text{S}^1$. We show that it is proportional to the identity and that it takes the same form as for $\\text{AdS}_{3} \\times \\text{S}^3\\times\\text{T}^4$ and for flat space. Based on this, we make a conjecture for the exact worldsheet S matrix and derive the mirror thermodynamic Bethe ansatz (TBA) equations describing the spectrum. Despite a non-trivial vacuum energy, they can be solved in closed form and coincide with a simple set of Bethe ansatz equat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.08195","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":"2026-05-17T23:50:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cO0nHjNnPKZsMdkOTsCSbbBIUQsiIXGHCOCjgmJ2TBjSJPyuHUg+s8T0cl9yDVvJ98Nz1jDkq0OEasEBVUl4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:04:18.821465Z"},"content_sha256":"464868066f4fd302c9c6a643dd501f1410c74fc76c636bdf2ae5ef01b070942e","schema_version":"1.0","event_id":"sha256:464868066f4fd302c9c6a643dd501f1410c74fc76c636bdf2ae5ef01b070942e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LOD3TYSHJSFXXJBFSXCKQ56HOC/bundle.json","state_url":"https://pith.science/pith/LOD3TYSHJSFXXJBFSXCKQ56HOC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LOD3TYSHJSFXXJBFSXCKQ56HOC/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":"2026-06-04T03:04:18Z","links":{"resolver":"https://pith.science/pith/LOD3TYSHJSFXXJBFSXCKQ56HOC","bundle":"https://pith.science/pith/LOD3TYSHJSFXXJBFSXCKQ56HOC/bundle.json","state":"https://pith.science/pith/LOD3TYSHJSFXXJBFSXCKQ56HOC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LOD3TYSHJSFXXJBFSXCKQ56HOC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LOD3TYSHJSFXXJBFSXCKQ56HOC","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":"f797fdf4612d1e910971894e6981283ed976568c8a4a09a9c43ba97e4e13f35a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-19T19:07:07Z","title_canon_sha256":"d4c3fbfe3fc6819cf9cdf61a60b0884e5f95ac23590a160aadd3c93413ac9dac"},"schema_version":"1.0","source":{"id":"1812.08195","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.08195","created_at":"2026-05-17T23:50:08Z"},{"alias_kind":"arxiv_version","alias_value":"1812.08195v2","created_at":"2026-05-17T23:50:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.08195","created_at":"2026-05-17T23:50:08Z"},{"alias_kind":"pith_short_12","alias_value":"LOD3TYSHJSFX","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LOD3TYSHJSFXXJBF","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LOD3TYSH","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:464868066f4fd302c9c6a643dd501f1410c74fc76c636bdf2ae5ef01b070942e","target":"graph","created_at":"2026-05-17T23:50:08Z","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 compute the tree-level bosonic S matrix in light-cone gauge for superstrings on pure-NSNS $\\text{AdS}_{3}\\times\\text{S}^3\\times\\text{S}^3\\times\\text{S}^1$. We show that it is proportional to the identity and that it takes the same form as for $\\text{AdS}_{3} \\times \\text{S}^3\\times\\text{T}^4$ and for flat space. Based on this, we make a conjecture for the exact worldsheet S matrix and derive the mirror thermodynamic Bethe ansatz (TBA) equations describing the spectrum. Despite a non-trivial vacuum energy, they can be solved in closed form and coincide with a simple set of Bethe ansatz equat","authors_text":"Alessandro Sfondrini, Andrea Dei","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-19T19:07:07Z","title":"Integrable S matrix, mirror TBA and spectrum for the stringy $\\text{AdS}_{3}\\times\\text{S}^3\\times\\text{S}^3\\times\\text{S}^1$ WZW model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.08195","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":"sha256:46433d63813d6b8864d0169c3ef4cdc333986b2a2b62a1412ba9a07da8f39fd2","target":"record","created_at":"2026-05-17T23:50:08Z","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":"f797fdf4612d1e910971894e6981283ed976568c8a4a09a9c43ba97e4e13f35a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-19T19:07:07Z","title_canon_sha256":"d4c3fbfe3fc6819cf9cdf61a60b0884e5f95ac23590a160aadd3c93413ac9dac"},"schema_version":"1.0","source":{"id":"1812.08195","kind":"arxiv","version":2}},"canonical_sha256":"5b87b9e2474c8b7ba42595c4a877c7709dbbf7b50c0beddf8a166f61d61905cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b87b9e2474c8b7ba42595c4a877c7709dbbf7b50c0beddf8a166f61d61905cc","first_computed_at":"2026-05-17T23:50:08.996125Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:08.996125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vMwA9iOhtkaIlXMP2IoKL0R8X3UCzYk/3L+JNs7uIlk7vg3lkdndd/QDHF/Z6eDf7L2BpY0QOHvC+T5ui6XIBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:08.996779Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.08195","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46433d63813d6b8864d0169c3ef4cdc333986b2a2b62a1412ba9a07da8f39fd2","sha256:464868066f4fd302c9c6a643dd501f1410c74fc76c636bdf2ae5ef01b070942e"],"state_sha256":"68f657c07dd54f8e7e7d52328a34f1dd829207df37d45e0e79795d50f63cbd84"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PAXpCatC7QT9gDRX/wkTVZLXO3q3pTuhmZcqgHYF2H/q8n+SlU936fpLSqmvAAjevbj1L3C+KdNmWOOr+K9aCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T03:04:18.825060Z","bundle_sha256":"ce993a6944a17ff317dc97078c695bb6e5cd07aa783a59b4765a4a95c4c1e2b4"}}