{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1992:6WFELZDFFSX7ETFF4PEW75P2GA","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":"896b3444c63b66ecea4c3a22334f80b778c48db21a425a5c6629fc36a343d5d1","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1992-08-11T08:27:48Z","title_canon_sha256":"80fdc5b82048c58d5e4a938b93146789963e7cada733ec66d61815efc0a0acba"},"schema_version":"1.0","source":{"id":"hep-th/9208029","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9208029","created_at":"2026-05-18T02:36:04Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9208029v1","created_at":"2026-05-18T02:36:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9208029","created_at":"2026-05-18T02:36:04Z"},{"alias_kind":"pith_short_12","alias_value":"6WFELZDFFSX7","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"6WFELZDFFSX7ETFF","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"6WFELZDF","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:b3514d25e9bd92f225318b72dd703749aaab8983c284e30447d2ef8de9567afa","target":"graph","created_at":"2026-05-18T02:36:04Z","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 show that the BRST quantum version of pure D=4 N=2 supergravity can be topologically twisted, to yield a formulation of topological gravity in four dimensions. The topological BRST complex is just a rearrangement of the old BRST complex, that partly modifies the role of physical and ghost fields: indeed, the new ghost number turns out to be the sum of the old ghost number plus the internal U(1) charge. Furthermore, the action of N=2 supergravity is retrieved from topological gravity by choosing a gauge fixing that reduces the space of physical states to the space of gravitational instanton ","authors_text":"Damiano Anselmi, Pietro Fre","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1992-08-11T08:27:48Z","title":"Twisted N=2 Supergravity as Topological Gravity in Four Dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9208029","kind":"arxiv","version":1},"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":"sha256:6e7ddcd340c9a9c50797385628d16cf19537c7cc95cafe2cd6be21f9acf73f32","target":"record","created_at":"2026-05-18T02:36:04Z","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":"896b3444c63b66ecea4c3a22334f80b778c48db21a425a5c6629fc36a343d5d1","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1992-08-11T08:27:48Z","title_canon_sha256":"80fdc5b82048c58d5e4a938b93146789963e7cada733ec66d61815efc0a0acba"},"schema_version":"1.0","source":{"id":"hep-th/9208029","kind":"arxiv","version":1}},"canonical_sha256":"f58a45e4652caff24ca5e3c96ff5fa302961bb12b01e3898070fa1675c0108bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f58a45e4652caff24ca5e3c96ff5fa302961bb12b01e3898070fa1675c0108bf","first_computed_at":"2026-05-18T02:36:04.806801Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:36:04.806801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vqYRxYQiMKiLoifR8msYue/mQgbQWKNMXqMV2WQW2Np1vIlbCNR8NityJy3i5fPdbOdGNIHTZCOJ2ZJxp5DuCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:36:04.807471Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9208029","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e7ddcd340c9a9c50797385628d16cf19537c7cc95cafe2cd6be21f9acf73f32","sha256:b3514d25e9bd92f225318b72dd703749aaab8983c284e30447d2ef8de9567afa"],"state_sha256":"7fca09507f2b60c2ad9c6425f2dd4204f7c5ff4961108bf36074e49981b5663d"}