{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1991:EJD6NJSN2GXJNF6T3MXBD7O7JV","short_pith_number":"pith:EJD6NJSN","canonical_record":{"source":{"id":"hep-th/9108016","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1991-08-23T18:02:11Z","cross_cats_sorted":[],"title_canon_sha256":"bdde921a37e146cc070a48de8fb65981ab9bde67a247be067ac392e2c7fcbea3","abstract_canon_sha256":"3cccf7e19bb1e17aae6009584dbc6e342525bb58d24e33e2f5fcdc8a986d0e4c"},"schema_version":"1.0"},"canonical_sha256":"2247e6a64dd1ae9697d3db2e11fddf4d64991d752a5dc57c1950960ca7559938","source":{"kind":"arxiv","id":"hep-th/9108016","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9108016","created_at":"2026-07-04T15:54:58Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9108016v1","created_at":"2026-07-04T15:54:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9108016","created_at":"2026-07-04T15:54:58Z"},{"alias_kind":"pith_short_12","alias_value":"EJD6NJSN2GXJ","created_at":"2026-07-04T15:54:58Z"},{"alias_kind":"pith_short_16","alias_value":"EJD6NJSN2GXJNF6T","created_at":"2026-07-04T15:54:58Z"},{"alias_kind":"pith_short_8","alias_value":"EJD6NJSN","created_at":"2026-07-04T15:54:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1991:EJD6NJSN2GXJNF6T3MXBD7O7JV","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9108016","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1991-08-23T18:02:11Z","cross_cats_sorted":[],"title_canon_sha256":"bdde921a37e146cc070a48de8fb65981ab9bde67a247be067ac392e2c7fcbea3","abstract_canon_sha256":"3cccf7e19bb1e17aae6009584dbc6e342525bb58d24e33e2f5fcdc8a986d0e4c"},"schema_version":"1.0"},"canonical_sha256":"2247e6a64dd1ae9697d3db2e11fddf4d64991d752a5dc57c1950960ca7559938","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:54:58.638307Z","signature_b64":"a+AO/VXCc6Gx8WC3StP4yt2JsTTR1fFpd7rDGpA/uIkKLgM3iLk07HF8H0gCQ41HCqkxUCAi1EmJ9M0TohX2BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2247e6a64dd1ae9697d3db2e11fddf4d64991d752a5dc57c1950960ca7559938","last_reissued_at":"2026-07-04T15:54:58.637819Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:54:58.637819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9108016","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":"2026-07-04T15:54:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OzjxSzWDoyWKqVdg9yWqS+mcAdJ2+1lTcyVZU/jF8/coPf9VyUnVFoaWW8+YtDDQtxjAq6ZI5MAXfUytZeoXCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T12:22:58.489095Z"},"content_sha256":"b5cfeb2cdfbc5f3d52c0404bf6974de3a21ea13ae9f77aa54e01f407db735068","schema_version":"1.0","event_id":"sha256:b5cfeb2cdfbc5f3d52c0404bf6974de3a21ea13ae9f77aa54e01f407db735068"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1991:EJD6NJSN2GXJNF6T3MXBD7O7JV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-Perturbative 2D Quantum Gravity, Again","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"C.Johnson, S.Dalley, T.Morris","submitted_at":"1991-08-23T18:02:11Z","abstract_excerpt":"This is a talk given by S.D. at the the workshop on Random Surfaces and 2D Quantum Gravity, Barcelona 10-14 June 1991. It is an updated review of recent work done by the authors on a proposal for non-perturbatively stable 2D quantum gravity coupled to c<1 matter, based on the flows of the (generalised) KdV hierarchy."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9108016","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-th/9108016/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":"2026-07-04T15:54:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Y2veB5HEi6j77JI2XDad5CBaU9Tk7mMpM70kdJNasbyInZao9pwFnmiLX803SQO2NkFlpc8nDVXNOgcbrkECQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T12:22:58.489611Z"},"content_sha256":"dd3f8947ae785e3dbb613d61a5a5df570b76f2c9a7b0962deebb86dba21b5e12","schema_version":"1.0","event_id":"sha256:dd3f8947ae785e3dbb613d61a5a5df570b76f2c9a7b0962deebb86dba21b5e12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EJD6NJSN2GXJNF6T3MXBD7O7JV/bundle.json","state_url":"https://pith.science/pith/EJD6NJSN2GXJNF6T3MXBD7O7JV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EJD6NJSN2GXJNF6T3MXBD7O7JV/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":"2026-08-15T12:22:58Z","links":{"resolver":"https://pith.science/pith/EJD6NJSN2GXJNF6T3MXBD7O7JV","bundle":"https://pith.science/pith/EJD6NJSN2GXJNF6T3MXBD7O7JV/bundle.json","state":"https://pith.science/pith/EJD6NJSN2GXJNF6T3MXBD7O7JV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EJD6NJSN2GXJNF6T3MXBD7O7JV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1991:EJD6NJSN2GXJNF6T3MXBD7O7JV","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":"3cccf7e19bb1e17aae6009584dbc6e342525bb58d24e33e2f5fcdc8a986d0e4c","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1991-08-23T18:02:11Z","title_canon_sha256":"bdde921a37e146cc070a48de8fb65981ab9bde67a247be067ac392e2c7fcbea3"},"schema_version":"1.0","source":{"id":"hep-th/9108016","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9108016","created_at":"2026-07-04T15:54:58Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9108016v1","created_at":"2026-07-04T15:54:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9108016","created_at":"2026-07-04T15:54:58Z"},{"alias_kind":"pith_short_12","alias_value":"EJD6NJSN2GXJ","created_at":"2026-07-04T15:54:58Z"},{"alias_kind":"pith_short_16","alias_value":"EJD6NJSN2GXJNF6T","created_at":"2026-07-04T15:54:58Z"},{"alias_kind":"pith_short_8","alias_value":"EJD6NJSN","created_at":"2026-07-04T15:54:58Z"}],"graph_snapshots":[{"event_id":"sha256:dd3f8947ae785e3dbb613d61a5a5df570b76f2c9a7b0962deebb86dba21b5e12","target":"graph","created_at":"2026-07-04T15:54:58Z","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/hep-th/9108016/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This is a talk given by S.D. at the the workshop on Random Surfaces and 2D Quantum Gravity, Barcelona 10-14 June 1991. It is an updated review of recent work done by the authors on a proposal for non-perturbatively stable 2D quantum gravity coupled to c<1 matter, based on the flows of the (generalised) KdV hierarchy.","authors_text":"C.Johnson, S.Dalley, T.Morris","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1991-08-23T18:02:11Z","title":"Non-Perturbative 2D Quantum Gravity, Again"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9108016","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:b5cfeb2cdfbc5f3d52c0404bf6974de3a21ea13ae9f77aa54e01f407db735068","target":"record","created_at":"2026-07-04T15:54:58Z","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":"3cccf7e19bb1e17aae6009584dbc6e342525bb58d24e33e2f5fcdc8a986d0e4c","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1991-08-23T18:02:11Z","title_canon_sha256":"bdde921a37e146cc070a48de8fb65981ab9bde67a247be067ac392e2c7fcbea3"},"schema_version":"1.0","source":{"id":"hep-th/9108016","kind":"arxiv","version":1}},"canonical_sha256":"2247e6a64dd1ae9697d3db2e11fddf4d64991d752a5dc57c1950960ca7559938","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2247e6a64dd1ae9697d3db2e11fddf4d64991d752a5dc57c1950960ca7559938","first_computed_at":"2026-07-04T15:54:58.637819Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:54:58.637819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a+AO/VXCc6Gx8WC3StP4yt2JsTTR1fFpd7rDGpA/uIkKLgM3iLk07HF8H0gCQ41HCqkxUCAi1EmJ9M0TohX2BA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:54:58.638307Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9108016","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b5cfeb2cdfbc5f3d52c0404bf6974de3a21ea13ae9f77aa54e01f407db735068","sha256:dd3f8947ae785e3dbb613d61a5a5df570b76f2c9a7b0962deebb86dba21b5e12"],"state_sha256":"8c56d55a3e15f38b4f31d229f2b4ee893f8c2e4238846b0779b2ffe2a5888d25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wqYhYu3Y0rAbwRwnRC6tuOsj6Gww7DUvS9pgi+cFrpZPdSxwsi80i+BDW4M2OqggF11QpTiXh3aw67noOD2wDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T12:22:58.494716Z","bundle_sha256":"127bca1b36647a3b4a12920cd6b2f47ae69fbf1df85dd4f200140dd3beffa3e8"}}