{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JUAOD72GYI7KSG4AHVXNM5F7AL","short_pith_number":"pith:JUAOD72G","canonical_record":{"source":{"id":"1804.01998","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-04-05T18:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"9fb2dbee79f0f37062932b261ea0e9edabe15033e47daca8c405382280b71aa9","abstract_canon_sha256":"1389771b857c23fbb4e87517ace620a719ca3b0570ab03f13098c9daff8b631e"},"schema_version":"1.0"},"canonical_sha256":"4d00e1ff46c23ea91b803d6ed674bf02c71debf7be60c040b6929d689d55d4d2","source":{"kind":"arxiv","id":"1804.01998","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01998","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01998v2","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01998","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"JUAOD72GYI7K","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JUAOD72GYI7KSG4A","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JUAOD72G","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JUAOD72GYI7KSG4AHVXNM5F7AL","target":"record","payload":{"canonical_record":{"source":{"id":"1804.01998","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-04-05T18:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"9fb2dbee79f0f37062932b261ea0e9edabe15033e47daca8c405382280b71aa9","abstract_canon_sha256":"1389771b857c23fbb4e87517ace620a719ca3b0570ab03f13098c9daff8b631e"},"schema_version":"1.0"},"canonical_sha256":"4d00e1ff46c23ea91b803d6ed674bf02c71debf7be60c040b6929d689d55d4d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:02.062114Z","signature_b64":"86rtFphW5XZV04ZpcbLFSsUxMHZcohFFLFYZQdn8wz4W6pOWZTx27XLffz4i9BUkt00JNn26enPfF7bea2S6BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d00e1ff46c23ea91b803d6ed674bf02c71debf7be60c040b6929d689d55d4d2","last_reissued_at":"2026-05-18T00:10:02.061448Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:02.061448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.01998","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":"2026-05-18T00:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ADqhfD42obncH+yE3zVmJe6x1R7PW33XGUuGAQYln/olcAFjkhevINMXMacqF7ZnOrU5nbWjwmCF+0b2CMIsCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T20:19:34.881202Z"},"content_sha256":"ef33f3809843fed8e094d1cd02dc9fb87af3070f7d50aa6f74993b60edeaca89","schema_version":"1.0","event_id":"sha256:ef33f3809843fed8e094d1cd02dc9fb87af3070f7d50aa6f74993b60edeaca89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JUAOD72GYI7KSG4AHVXNM5F7AL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Strings on NS-NS Backgrounds as Integrable Deformations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Alessandro Sfondrini, Marco Baggio","submitted_at":"2018-04-05T18:00:06Z","abstract_excerpt":"We consider the worldsheet S matrix of superstrings on an AdS3xS3xT4 NS-NS background in uniform light-cone gauge. We argue that scattering is given by a CDD factor that is non-trivial only between opposite-chirality particles, yielding a spin-chain-like Bethe Ansatz. Our proposal reproduces the spectrum of non-protected states computed from the Wess-Zumino-Witten description and the perturbative tree-level S matrix. This suggests that the model is an integrable deformation of a free theory similar to those arising from the T-Tbar composite operator."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01998","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":"2026-05-18T00:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S7LlzkD9dj6I/8O7lllZ498ml0zoln1HAU0dKMIqEpUH55hahQ4WQbsd1SQ7ZTlVcb0+LN6U3vgMwTr8IVJ/BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T20:19:34.881570Z"},"content_sha256":"2d1f3702cc32ab43b512c1a7144fc2913e0fb1788266059faabe850d9154a9a4","schema_version":"1.0","event_id":"sha256:2d1f3702cc32ab43b512c1a7144fc2913e0fb1788266059faabe850d9154a9a4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JUAOD72GYI7KSG4AHVXNM5F7AL/bundle.json","state_url":"https://pith.science/pith/JUAOD72GYI7KSG4AHVXNM5F7AL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JUAOD72GYI7KSG4AHVXNM5F7AL/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":"2026-07-02T20:19:34Z","links":{"resolver":"https://pith.science/pith/JUAOD72GYI7KSG4AHVXNM5F7AL","bundle":"https://pith.science/pith/JUAOD72GYI7KSG4AHVXNM5F7AL/bundle.json","state":"https://pith.science/pith/JUAOD72GYI7KSG4AHVXNM5F7AL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JUAOD72GYI7KSG4AHVXNM5F7AL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JUAOD72GYI7KSG4AHVXNM5F7AL","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":"1389771b857c23fbb4e87517ace620a719ca3b0570ab03f13098c9daff8b631e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-04-05T18:00:06Z","title_canon_sha256":"9fb2dbee79f0f37062932b261ea0e9edabe15033e47daca8c405382280b71aa9"},"schema_version":"1.0","source":{"id":"1804.01998","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01998","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01998v2","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01998","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"JUAOD72GYI7K","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JUAOD72GYI7KSG4A","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JUAOD72G","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:2d1f3702cc32ab43b512c1a7144fc2913e0fb1788266059faabe850d9154a9a4","target":"graph","created_at":"2026-05-18T00:10:02Z","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 consider the worldsheet S matrix of superstrings on an AdS3xS3xT4 NS-NS background in uniform light-cone gauge. We argue that scattering is given by a CDD factor that is non-trivial only between opposite-chirality particles, yielding a spin-chain-like Bethe Ansatz. Our proposal reproduces the spectrum of non-protected states computed from the Wess-Zumino-Witten description and the perturbative tree-level S matrix. This suggests that the model is an integrable deformation of a free theory similar to those arising from the T-Tbar composite operator.","authors_text":"Alessandro Sfondrini, Marco Baggio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-04-05T18:00:06Z","title":"Strings on NS-NS Backgrounds as Integrable Deformations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01998","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:ef33f3809843fed8e094d1cd02dc9fb87af3070f7d50aa6f74993b60edeaca89","target":"record","created_at":"2026-05-18T00:10:02Z","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":"1389771b857c23fbb4e87517ace620a719ca3b0570ab03f13098c9daff8b631e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-04-05T18:00:06Z","title_canon_sha256":"9fb2dbee79f0f37062932b261ea0e9edabe15033e47daca8c405382280b71aa9"},"schema_version":"1.0","source":{"id":"1804.01998","kind":"arxiv","version":2}},"canonical_sha256":"4d00e1ff46c23ea91b803d6ed674bf02c71debf7be60c040b6929d689d55d4d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d00e1ff46c23ea91b803d6ed674bf02c71debf7be60c040b6929d689d55d4d2","first_computed_at":"2026-05-18T00:10:02.061448Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:02.061448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"86rtFphW5XZV04ZpcbLFSsUxMHZcohFFLFYZQdn8wz4W6pOWZTx27XLffz4i9BUkt00JNn26enPfF7bea2S6BA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:02.062114Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.01998","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef33f3809843fed8e094d1cd02dc9fb87af3070f7d50aa6f74993b60edeaca89","sha256:2d1f3702cc32ab43b512c1a7144fc2913e0fb1788266059faabe850d9154a9a4"],"state_sha256":"f218657730b350af7b2b589e4310b98c43872ad4d54715da0ea4e9f6746fe279"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T98EdsnQ5ftSug8wagMYfCSexvD2vHEjzznQKopd55d0e1eyUljbInk1XNnfMrclp0Hqr/iwzsuDiDECgZ2RDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T20:19:34.883573Z","bundle_sha256":"748dafff22552c9115f8d46a78e3a7e57eb839dab7dbeafcc6197b2c578d31de"}}