{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:UAIKO2YOAKWNTUFJERTG4NYL33","short_pith_number":"pith:UAIKO2YO","canonical_record":{"source":{"id":"0905.0540","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-05-05T08:34:59Z","cross_cats_sorted":["math.GT","math.OA","math.QA"],"title_canon_sha256":"c66cba3de4e925051c759c135df659e424f4e57025f697bcb35a8a949e4d8e81","abstract_canon_sha256":"81cf37c847750406c4601f556e7ca2d022f5f193886fa8497f70b589cdeeb809"},"schema_version":"1.0"},"canonical_sha256":"a010a76b0e02acd9d0a924666e370bded02e2c4d62ff4affeeb94167bf395e0e","source":{"kind":"arxiv","id":"0905.0540","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.0540","created_at":"2026-07-04T15:48:07Z"},{"alias_kind":"arxiv_version","alias_value":"0905.0540v2","created_at":"2026-07-04T15:48:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.0540","created_at":"2026-07-04T15:48:07Z"},{"alias_kind":"pith_short_12","alias_value":"UAIKO2YOAKWN","created_at":"2026-07-04T15:48:07Z"},{"alias_kind":"pith_short_16","alias_value":"UAIKO2YOAKWNTUFJ","created_at":"2026-07-04T15:48:07Z"},{"alias_kind":"pith_short_8","alias_value":"UAIKO2YO","created_at":"2026-07-04T15:48:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:UAIKO2YOAKWNTUFJERTG4NYL33","target":"record","payload":{"canonical_record":{"source":{"id":"0905.0540","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-05-05T08:34:59Z","cross_cats_sorted":["math.GT","math.OA","math.QA"],"title_canon_sha256":"c66cba3de4e925051c759c135df659e424f4e57025f697bcb35a8a949e4d8e81","abstract_canon_sha256":"81cf37c847750406c4601f556e7ca2d022f5f193886fa8497f70b589cdeeb809"},"schema_version":"1.0"},"canonical_sha256":"a010a76b0e02acd9d0a924666e370bded02e2c4d62ff4affeeb94167bf395e0e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:48:07.948842Z","signature_b64":"RnEmLBPHyEFmXf46x75VQbOT94G+3fvGvSxDrtFVe3K2OujjHJOpOiVlJIep5vqgx4EsiRZR05MaeC87RHNGDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a010a76b0e02acd9d0a924666e370bded02e2c4d62ff4affeeb94167bf395e0e","last_reissued_at":"2026-07-04T15:48:07.948460Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:48:07.948460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0905.0540","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":"2026-07-04T15:48:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YeVZB/UuVE4yVlftOBT/tk0GaHwZaawGan5fLJGL2ByBMELW55zrmufkTSY2JjqaEnLgC70Gru07GwlQtaClBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:57:49.933153Z"},"content_sha256":"45896689a29b4af2d195a01f3cb868c4c14a64884e8b6b84d742f2423ae3bdbc","schema_version":"1.0","event_id":"sha256:45896689a29b4af2d195a01f3cb868c4c14a64884e8b6b84d742f2423ae3bdbc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:UAIKO2YOAKWNTUFJERTG4NYL33","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inner brane: A D3-brane in the Nappi-Witten model from an inner group automorphism","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.GT","math.OA","math.QA"],"primary_cat":"hep-th","authors_text":"Laurent Freidel, Yeuk-Kwan E. Cheung","submitted_at":"2009-05-05T08:34:59Z","abstract_excerpt":"WZW models are abstract conformal field theories with an infinite dimensional symmetry which accounts for their integrability, and at the same time they have a sigma model description of closed string propagation on group manifolds which, in turn, endows the models with an intuitive geometric meaning. We exploit this dual algebraic and geometric property of WZW models to construct an explicit example of a field-dependent reflection matrix for open-strings in Nappi-Witten model. Demanding the momentum outflow at the boundary to be zero determines a certain combination of the left and right chir"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.0540","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0905.0540/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:48:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oG4pyWKRF+5KyRII7wdN2SyJmm0eldcUpiaT4DOkPI4b8HLI2x7zgIPx/3Je84xImhDi0ZZyBP+RkNnHuqVcDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:57:49.933659Z"},"content_sha256":"377bccbf5d8109a92b9eee6fac4e6a60c4dc67331b6ddbb68ecb9914bb8e73b6","schema_version":"1.0","event_id":"sha256:377bccbf5d8109a92b9eee6fac4e6a60c4dc67331b6ddbb68ecb9914bb8e73b6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UAIKO2YOAKWNTUFJERTG4NYL33/bundle.json","state_url":"https://pith.science/pith/UAIKO2YOAKWNTUFJERTG4NYL33/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UAIKO2YOAKWNTUFJERTG4NYL33/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":"2026-08-06T16:57:49Z","links":{"resolver":"https://pith.science/pith/UAIKO2YOAKWNTUFJERTG4NYL33","bundle":"https://pith.science/pith/UAIKO2YOAKWNTUFJERTG4NYL33/bundle.json","state":"https://pith.science/pith/UAIKO2YOAKWNTUFJERTG4NYL33/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UAIKO2YOAKWNTUFJERTG4NYL33/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:UAIKO2YOAKWNTUFJERTG4NYL33","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":"81cf37c847750406c4601f556e7ca2d022f5f193886fa8497f70b589cdeeb809","cross_cats_sorted":["math.GT","math.OA","math.QA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-05-05T08:34:59Z","title_canon_sha256":"c66cba3de4e925051c759c135df659e424f4e57025f697bcb35a8a949e4d8e81"},"schema_version":"1.0","source":{"id":"0905.0540","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.0540","created_at":"2026-07-04T15:48:07Z"},{"alias_kind":"arxiv_version","alias_value":"0905.0540v2","created_at":"2026-07-04T15:48:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.0540","created_at":"2026-07-04T15:48:07Z"},{"alias_kind":"pith_short_12","alias_value":"UAIKO2YOAKWN","created_at":"2026-07-04T15:48:07Z"},{"alias_kind":"pith_short_16","alias_value":"UAIKO2YOAKWNTUFJ","created_at":"2026-07-04T15:48:07Z"},{"alias_kind":"pith_short_8","alias_value":"UAIKO2YO","created_at":"2026-07-04T15:48:07Z"}],"graph_snapshots":[{"event_id":"sha256:377bccbf5d8109a92b9eee6fac4e6a60c4dc67331b6ddbb68ecb9914bb8e73b6","target":"graph","created_at":"2026-07-04T15:48:07Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0905.0540/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"WZW models are abstract conformal field theories with an infinite dimensional symmetry which accounts for their integrability, and at the same time they have a sigma model description of closed string propagation on group manifolds which, in turn, endows the models with an intuitive geometric meaning. We exploit this dual algebraic and geometric property of WZW models to construct an explicit example of a field-dependent reflection matrix for open-strings in Nappi-Witten model. Demanding the momentum outflow at the boundary to be zero determines a certain combination of the left and right chir","authors_text":"Laurent Freidel, Yeuk-Kwan E. Cheung","cross_cats":["math.GT","math.OA","math.QA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-05-05T08:34:59Z","title":"Inner brane: A D3-brane in the Nappi-Witten model from an inner group automorphism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.0540","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":"sha256:45896689a29b4af2d195a01f3cb868c4c14a64884e8b6b84d742f2423ae3bdbc","target":"record","created_at":"2026-07-04T15:48:07Z","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":"81cf37c847750406c4601f556e7ca2d022f5f193886fa8497f70b589cdeeb809","cross_cats_sorted":["math.GT","math.OA","math.QA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-05-05T08:34:59Z","title_canon_sha256":"c66cba3de4e925051c759c135df659e424f4e57025f697bcb35a8a949e4d8e81"},"schema_version":"1.0","source":{"id":"0905.0540","kind":"arxiv","version":2}},"canonical_sha256":"a010a76b0e02acd9d0a924666e370bded02e2c4d62ff4affeeb94167bf395e0e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a010a76b0e02acd9d0a924666e370bded02e2c4d62ff4affeeb94167bf395e0e","first_computed_at":"2026-07-04T15:48:07.948460Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:48:07.948460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RnEmLBPHyEFmXf46x75VQbOT94G+3fvGvSxDrtFVe3K2OujjHJOpOiVlJIep5vqgx4EsiRZR05MaeC87RHNGDw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:48:07.948842Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.0540","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:45896689a29b4af2d195a01f3cb868c4c14a64884e8b6b84d742f2423ae3bdbc","sha256:377bccbf5d8109a92b9eee6fac4e6a60c4dc67331b6ddbb68ecb9914bb8e73b6"],"state_sha256":"6f2fd35c787c1b8a0a2987782a481bf2f33b6977c6e4e11395bca5c360e8fe77"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qqRvkY9vVa/97odMxs8OgILbYwteqRJdBEenAdE/J9p/yz0svfU2xj9yalfaED7wu9PotPjjYW233wztqOQTCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T16:57:49.938052Z","bundle_sha256":"7f9b93095b28de3807450ee00f7239bd18724610ac272ed64768960c2cb440da"}}