{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:TQPFWOKOD5QR4ET6KDG2544D2A","short_pith_number":"pith:TQPFWOKO","canonical_record":{"source":{"id":"hep-th/0405176","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2004-05-20T11:30:22Z","cross_cats_sorted":["math.QA"],"title_canon_sha256":"0c116976c175e536521c979818c63b7e0af412659954085eeabcc022e4c73136","abstract_canon_sha256":"ade21897ead2764784856902f284870c663d069e9df00f356a19ab93f2c8e562"},"schema_version":"1.0"},"canonical_sha256":"9c1e5b394e1f611e127e50cdaef383d037364c6d78cd056b6341b3696b61a1c9","source":{"kind":"arxiv","id":"hep-th/0405176","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0405176","created_at":"2026-05-18T01:38:46Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0405176v2","created_at":"2026-05-18T01:38:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0405176","created_at":"2026-05-18T01:38:46Z"},{"alias_kind":"pith_short_12","alias_value":"TQPFWOKOD5QR","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"TQPFWOKOD5QR4ET6","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"TQPFWOKO","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:TQPFWOKOD5QR4ET6KDG2544D2A","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0405176","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2004-05-20T11:30:22Z","cross_cats_sorted":["math.QA"],"title_canon_sha256":"0c116976c175e536521c979818c63b7e0af412659954085eeabcc022e4c73136","abstract_canon_sha256":"ade21897ead2764784856902f284870c663d069e9df00f356a19ab93f2c8e562"},"schema_version":"1.0"},"canonical_sha256":"9c1e5b394e1f611e127e50cdaef383d037364c6d78cd056b6341b3696b61a1c9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:46.235924Z","signature_b64":"LlrMeFN6mBsujsDc/gdNx3L8eAeme3E6zH/Y7aZe3DXCY8xY2wutBsHGBDhGD/1mU/jevOvaf8//5/v5SBXiBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c1e5b394e1f611e127e50cdaef383d037364c6d78cd056b6341b3696b61a1c9","last_reissued_at":"2026-05-18T01:38:46.235526Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:46.235526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0405176","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":"2026-05-18T01:38:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6s26iFgzNCOLlmTh+C2EI606J4kxlIg4LY/Y4ekEnFvu+ZhcnpR2n5HA1LJnaRDCzmyOUh18K0boTT92GY37BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:17:15.663220Z"},"content_sha256":"7b67d942caa09739112ac41b489d239c27b7949369bd5fef276b997b810858c0","schema_version":"1.0","event_id":"sha256:7b67d942caa09739112ac41b489d239c27b7949369bd5fef276b997b810858c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:TQPFWOKOD5QR4ET6KDG2544D2A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Poisson reduction and branes in Poisson-Sigma models","license":"","headline":"","cross_cats":["math.QA"],"primary_cat":"hep-th","authors_text":"Fernando Falceto, Ivan Calvo","submitted_at":"2004-05-20T11:30:22Z","abstract_excerpt":"We analyse the problem of boundary conditions for the Poisson-Sigma model and extend previous results showing that non-coisotropic branes are allowed. We discuss the canonical reduction of a Poisson structure to a submanifold, leading to a Poisson algebra that generalizes Dirac's construction. The phase space of the model on the strip is related to the (generalized) Dirac bracket on the branes through a dual pair structure."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0405176","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":"2026-05-18T01:38:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b48FU2sENZd8D2/yCb96dQgho438C9CzG5r/Yfnx7sGn8xoYBfEE+b/zeEZZ5/ZCA6hz7XVM2XLaieCfdpY6CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:17:15.663577Z"},"content_sha256":"39aeeeabf45137976412999e913692ccfbf64f898afb9f59583dc1fd32f9c02d","schema_version":"1.0","event_id":"sha256:39aeeeabf45137976412999e913692ccfbf64f898afb9f59583dc1fd32f9c02d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TQPFWOKOD5QR4ET6KDG2544D2A/bundle.json","state_url":"https://pith.science/pith/TQPFWOKOD5QR4ET6KDG2544D2A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TQPFWOKOD5QR4ET6KDG2544D2A/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":"2026-05-28T08:17:15Z","links":{"resolver":"https://pith.science/pith/TQPFWOKOD5QR4ET6KDG2544D2A","bundle":"https://pith.science/pith/TQPFWOKOD5QR4ET6KDG2544D2A/bundle.json","state":"https://pith.science/pith/TQPFWOKOD5QR4ET6KDG2544D2A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TQPFWOKOD5QR4ET6KDG2544D2A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:TQPFWOKOD5QR4ET6KDG2544D2A","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":"ade21897ead2764784856902f284870c663d069e9df00f356a19ab93f2c8e562","cross_cats_sorted":["math.QA"],"license":"","primary_cat":"hep-th","submitted_at":"2004-05-20T11:30:22Z","title_canon_sha256":"0c116976c175e536521c979818c63b7e0af412659954085eeabcc022e4c73136"},"schema_version":"1.0","source":{"id":"hep-th/0405176","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0405176","created_at":"2026-05-18T01:38:46Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0405176v2","created_at":"2026-05-18T01:38:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0405176","created_at":"2026-05-18T01:38:46Z"},{"alias_kind":"pith_short_12","alias_value":"TQPFWOKOD5QR","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"TQPFWOKOD5QR4ET6","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"TQPFWOKO","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:39aeeeabf45137976412999e913692ccfbf64f898afb9f59583dc1fd32f9c02d","target":"graph","created_at":"2026-05-18T01:38:46Z","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 analyse the problem of boundary conditions for the Poisson-Sigma model and extend previous results showing that non-coisotropic branes are allowed. We discuss the canonical reduction of a Poisson structure to a submanifold, leading to a Poisson algebra that generalizes Dirac's construction. The phase space of the model on the strip is related to the (generalized) Dirac bracket on the branes through a dual pair structure.","authors_text":"Fernando Falceto, Ivan Calvo","cross_cats":["math.QA"],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2004-05-20T11:30:22Z","title":"Poisson reduction and branes in Poisson-Sigma models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0405176","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":"sha256:7b67d942caa09739112ac41b489d239c27b7949369bd5fef276b997b810858c0","target":"record","created_at":"2026-05-18T01:38:46Z","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":"ade21897ead2764784856902f284870c663d069e9df00f356a19ab93f2c8e562","cross_cats_sorted":["math.QA"],"license":"","primary_cat":"hep-th","submitted_at":"2004-05-20T11:30:22Z","title_canon_sha256":"0c116976c175e536521c979818c63b7e0af412659954085eeabcc022e4c73136"},"schema_version":"1.0","source":{"id":"hep-th/0405176","kind":"arxiv","version":2}},"canonical_sha256":"9c1e5b394e1f611e127e50cdaef383d037364c6d78cd056b6341b3696b61a1c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c1e5b394e1f611e127e50cdaef383d037364c6d78cd056b6341b3696b61a1c9","first_computed_at":"2026-05-18T01:38:46.235526Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:46.235526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LlrMeFN6mBsujsDc/gdNx3L8eAeme3E6zH/Y7aZe3DXCY8xY2wutBsHGBDhGD/1mU/jevOvaf8//5/v5SBXiBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:46.235924Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0405176","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b67d942caa09739112ac41b489d239c27b7949369bd5fef276b997b810858c0","sha256:39aeeeabf45137976412999e913692ccfbf64f898afb9f59583dc1fd32f9c02d"],"state_sha256":"bfc4227e44a19bbdbe9a8a979f73ee64f76739c049d23bbbb2b496b6fbed6045"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GYJUKX4xnhoZeRM1SHnJoVepRMugArRbua2I/NqCUusl88F+72Ksrz3+4Cvsr7aKSJRx8jnOKiUtS7hdNXKtDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T08:17:15.665579Z","bundle_sha256":"36cba137196634c3393ef7ad73b94b84eb48ddd4a9b4790b6717ee7eabf913d8"}}