{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1993:EJJNWWVXPPNRNE6V2RNONMNPML","short_pith_number":"pith:EJJNWWVX","canonical_record":{"source":{"id":"hep-th/9303154","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1993-03-29T02:56:26Z","cross_cats_sorted":[],"title_canon_sha256":"9594838affb8efa0e757c00396d77f146dccba1b2db94b9611c2ed6b0f17411f","abstract_canon_sha256":"7aee189e392db6064ef875e91f9804ff4929eda1c8359a9c85f97b3bc745cf66"},"schema_version":"1.0"},"canonical_sha256":"2252db5ab77bdb1693d5d45ae6b1af62c9187c83c0f80e2dda13aa448dde77a1","source":{"kind":"arxiv","id":"hep-th/9303154","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9303154","created_at":"2026-05-18T01:06:04Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9303154v1","created_at":"2026-05-18T01:06:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9303154","created_at":"2026-05-18T01:06:04Z"},{"alias_kind":"pith_short_12","alias_value":"EJJNWWVXPPNR","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"EJJNWWVXPPNRNE6V","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"EJJNWWVX","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1993:EJJNWWVXPPNRNE6V2RNONMNPML","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9303154","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1993-03-29T02:56:26Z","cross_cats_sorted":[],"title_canon_sha256":"9594838affb8efa0e757c00396d77f146dccba1b2db94b9611c2ed6b0f17411f","abstract_canon_sha256":"7aee189e392db6064ef875e91f9804ff4929eda1c8359a9c85f97b3bc745cf66"},"schema_version":"1.0"},"canonical_sha256":"2252db5ab77bdb1693d5d45ae6b1af62c9187c83c0f80e2dda13aa448dde77a1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:04.958948Z","signature_b64":"uKRi2mNkricyUU5Y06/5oK6pVK5fL+3lpBLevneQp1meMIe2S0KI/qP5/AZKgnbwOJmeiaZ/xz5I0tZgXADMDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2252db5ab77bdb1693d5d45ae6b1af62c9187c83c0f80e2dda13aa448dde77a1","last_reissued_at":"2026-05-18T01:06:04.958305Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:04.958305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9303154","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:06:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tGDrsrRQwZLwYAtFlCFqpdRiSA6GBL2Bcyi89QBed2ccya7+P3q/fywn5FfP7khkauhCNVjDcVUNrIsKe2tMCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:06:02.446775Z"},"content_sha256":"e03369aee460dca10c88ed6cb3d3b77a3add47a2ae87ff49ee8076a642b5c1a6","schema_version":"1.0","event_id":"sha256:e03369aee460dca10c88ed6cb3d3b77a3add47a2ae87ff49ee8076a642b5c1a6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1993:EJJNWWVXPPNRNE6V2RNONMNPML","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gauge Equivalence in Two--Dimensional Gravity","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"J. Kubo, T. Fujiwara, T. Tabei, Y. Igarashi","submitted_at":"1993-03-29T02:56:26Z","abstract_excerpt":"Two-dimensional quantum gravity is identified as a second-class system which we convert into a first-class system via the Batalin-Fradkin (BF) procedure. Using the extended phase space method, we then formulate the theory in most general class of gauges. The conformal gauge action suggested by David, Distler and Kawai is derived from a first principle. We find a local, light-cone gauge action whose Becchi-Rouet-Stora-Tyutin invariance implies Polyakov's curvature equation $\\partial_{-}R=\\partial_{-}^{3}g_{++}=0$, revealing the origin of the $SL(2,R)$ Kac-Moody symmetry. The BF degree of freedo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9303154","kind":"arxiv","version":1},"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":"2026-05-18T01:06:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dAmAp+C+5iNtW06JsmQjKstNu0To+hmoIiFQ0hi3N74+EoDcQIFH0DIXc/o+D1m6I1eV04RnZkwXDXRW804NBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:06:02.447274Z"},"content_sha256":"d4c61ccab47c68414f6d81d85c967a0d8382cbd0d9e2931548f2722944f84922","schema_version":"1.0","event_id":"sha256:d4c61ccab47c68414f6d81d85c967a0d8382cbd0d9e2931548f2722944f84922"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EJJNWWVXPPNRNE6V2RNONMNPML/bundle.json","state_url":"https://pith.science/pith/EJJNWWVXPPNRNE6V2RNONMNPML/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EJJNWWVXPPNRNE6V2RNONMNPML/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":"2026-05-30T09:06:02Z","links":{"resolver":"https://pith.science/pith/EJJNWWVXPPNRNE6V2RNONMNPML","bundle":"https://pith.science/pith/EJJNWWVXPPNRNE6V2RNONMNPML/bundle.json","state":"https://pith.science/pith/EJJNWWVXPPNRNE6V2RNONMNPML/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EJJNWWVXPPNRNE6V2RNONMNPML/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:EJJNWWVXPPNRNE6V2RNONMNPML","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":"7aee189e392db6064ef875e91f9804ff4929eda1c8359a9c85f97b3bc745cf66","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1993-03-29T02:56:26Z","title_canon_sha256":"9594838affb8efa0e757c00396d77f146dccba1b2db94b9611c2ed6b0f17411f"},"schema_version":"1.0","source":{"id":"hep-th/9303154","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9303154","created_at":"2026-05-18T01:06:04Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9303154v1","created_at":"2026-05-18T01:06:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9303154","created_at":"2026-05-18T01:06:04Z"},{"alias_kind":"pith_short_12","alias_value":"EJJNWWVXPPNR","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"EJJNWWVXPPNRNE6V","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"EJJNWWVX","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:d4c61ccab47c68414f6d81d85c967a0d8382cbd0d9e2931548f2722944f84922","target":"graph","created_at":"2026-05-18T01:06:04Z","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":"Two-dimensional quantum gravity is identified as a second-class system which we convert into a first-class system via the Batalin-Fradkin (BF) procedure. Using the extended phase space method, we then formulate the theory in most general class of gauges. The conformal gauge action suggested by David, Distler and Kawai is derived from a first principle. We find a local, light-cone gauge action whose Becchi-Rouet-Stora-Tyutin invariance implies Polyakov's curvature equation $\\partial_{-}R=\\partial_{-}^{3}g_{++}=0$, revealing the origin of the $SL(2,R)$ Kac-Moody symmetry. The BF degree of freedo","authors_text":"J. Kubo, T. Fujiwara, T. Tabei, Y. Igarashi","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1993-03-29T02:56:26Z","title":"Gauge Equivalence in Two--Dimensional Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9303154","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:e03369aee460dca10c88ed6cb3d3b77a3add47a2ae87ff49ee8076a642b5c1a6","target":"record","created_at":"2026-05-18T01:06:04Z","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":"7aee189e392db6064ef875e91f9804ff4929eda1c8359a9c85f97b3bc745cf66","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1993-03-29T02:56:26Z","title_canon_sha256":"9594838affb8efa0e757c00396d77f146dccba1b2db94b9611c2ed6b0f17411f"},"schema_version":"1.0","source":{"id":"hep-th/9303154","kind":"arxiv","version":1}},"canonical_sha256":"2252db5ab77bdb1693d5d45ae6b1af62c9187c83c0f80e2dda13aa448dde77a1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2252db5ab77bdb1693d5d45ae6b1af62c9187c83c0f80e2dda13aa448dde77a1","first_computed_at":"2026-05-18T01:06:04.958305Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:04.958305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uKRi2mNkricyUU5Y06/5oK6pVK5fL+3lpBLevneQp1meMIe2S0KI/qP5/AZKgnbwOJmeiaZ/xz5I0tZgXADMDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:04.958948Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9303154","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e03369aee460dca10c88ed6cb3d3b77a3add47a2ae87ff49ee8076a642b5c1a6","sha256:d4c61ccab47c68414f6d81d85c967a0d8382cbd0d9e2931548f2722944f84922"],"state_sha256":"a2127fdf44f4f273cb95f7af7acf0f40263c36987b32f9573c2cfcf789be1430"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"clRDm719ySBGQrQiMMyGxMi1fj56POhdeRNKWNShjXbKNbLkc46SgNqEaHjJu51BpF1KgO2sgJXM8RHPJqVQBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T09:06:02.450252Z","bundle_sha256":"0280b7566dc10dba5af69efc81d2d2d99c2f44a6baae7372bd9899fe3041711f"}}