{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:OVMAUW55B5FL2NBR5UE6ACWSL2","short_pith_number":"pith:OVMAUW55","canonical_record":{"source":{"id":"hep-th/9906187","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1999-06-24T15:18:55Z","cross_cats_sorted":[],"title_canon_sha256":"6de7e29b3e803e654bdaec0e84c049706c55381579a5b4fb860687345b07c977","abstract_canon_sha256":"a1eda4f0cf8009d85a36bc2dbfc87325f34b1d650257253cd237f533a326b337"},"schema_version":"1.0"},"canonical_sha256":"75580a5bbd0f4abd3431ed09e00ad25ea6990af6b447d4c9449114d14f94453c","source":{"kind":"arxiv","id":"hep-th/9906187","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9906187","created_at":"2026-07-04T16:14:53Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9906187v1","created_at":"2026-07-04T16:14:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9906187","created_at":"2026-07-04T16:14:53Z"},{"alias_kind":"pith_short_12","alias_value":"OVMAUW55B5FL","created_at":"2026-07-04T16:14:53Z"},{"alias_kind":"pith_short_16","alias_value":"OVMAUW55B5FL2NBR","created_at":"2026-07-04T16:14:53Z"},{"alias_kind":"pith_short_8","alias_value":"OVMAUW55","created_at":"2026-07-04T16:14:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:OVMAUW55B5FL2NBR5UE6ACWSL2","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9906187","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1999-06-24T15:18:55Z","cross_cats_sorted":[],"title_canon_sha256":"6de7e29b3e803e654bdaec0e84c049706c55381579a5b4fb860687345b07c977","abstract_canon_sha256":"a1eda4f0cf8009d85a36bc2dbfc87325f34b1d650257253cd237f533a326b337"},"schema_version":"1.0"},"canonical_sha256":"75580a5bbd0f4abd3431ed09e00ad25ea6990af6b447d4c9449114d14f94453c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:14:53.002356Z","signature_b64":"syxgnPIIFJSyP/4le7sWCpCCTeWeJJ7XS8d8y5qNw7sjJvkUwfxzjiEGDOoz8AsXZtDeVuX8cZmNZZxUMsNZDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"75580a5bbd0f4abd3431ed09e00ad25ea6990af6b447d4c9449114d14f94453c","last_reissued_at":"2026-07-04T16:14:53.001942Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:14:53.001942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9906187","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":"2026-07-04T16:14:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z5TCkjdpfVGqrB6f7nkv0k6ThlsSwUWOuX5Uv96tl5ET1YRyqdQ4yh0rJalEo+eDS1FOrGoTj6OfhT4AalppCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T03:55:19.815253Z"},"content_sha256":"083d857b91b13fbff121933af6f8c7168e51f9214acb665bad3a8a4ed00a94fe","schema_version":"1.0","event_id":"sha256:083d857b91b13fbff121933af6f8c7168e51f9214acb665bad3a8a4ed00a94fe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:OVMAUW55B5FL2NBR5UE6ACWSL2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Integrable models and degenerate horizons in two-dimensional gravity","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"A. Fabbri, D. J. Navarro, J. Cruz, J. Navarro-Salas","submitted_at":"1999-06-24T15:18:55Z","abstract_excerpt":"We analyse an integrable model of two-dimensional gravity which can be reduced to a pair of Liouville fields in conformal gauge. Its general solution represents a pair of ``mirror'' black holes with the same temperature. The ground state is a degenerate constant dilaton configuration similar to the Nariai solution of the Schwarzschild-de Sitter case. The existence of $\\phi=const.$ solutions and their relation with the solution given by the 2D Birkhoff's theorem is then investigated in a more general context. We also point out some interesting features of the semiclassical theory of our model a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9906187","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/9906187/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":"2026-07-04T16:14:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w/4Sjbi/FucE3gjC8XzNj4CH0w7QhcmjRB2uw53cOxjOC/trvI5Bbzf+w0T6KLqOXpg+8irlkCCGC/j07/7zDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T03:55:19.815742Z"},"content_sha256":"372dfa67ef253df4a815e1ab929a22fcf15a4e1a2900edd9e9d6bf2028551a4a","schema_version":"1.0","event_id":"sha256:372dfa67ef253df4a815e1ab929a22fcf15a4e1a2900edd9e9d6bf2028551a4a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OVMAUW55B5FL2NBR5UE6ACWSL2/bundle.json","state_url":"https://pith.science/pith/OVMAUW55B5FL2NBR5UE6ACWSL2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OVMAUW55B5FL2NBR5UE6ACWSL2/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":"2026-08-19T03:55:19Z","links":{"resolver":"https://pith.science/pith/OVMAUW55B5FL2NBR5UE6ACWSL2","bundle":"https://pith.science/pith/OVMAUW55B5FL2NBR5UE6ACWSL2/bundle.json","state":"https://pith.science/pith/OVMAUW55B5FL2NBR5UE6ACWSL2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OVMAUW55B5FL2NBR5UE6ACWSL2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:OVMAUW55B5FL2NBR5UE6ACWSL2","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":"a1eda4f0cf8009d85a36bc2dbfc87325f34b1d650257253cd237f533a326b337","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1999-06-24T15:18:55Z","title_canon_sha256":"6de7e29b3e803e654bdaec0e84c049706c55381579a5b4fb860687345b07c977"},"schema_version":"1.0","source":{"id":"hep-th/9906187","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9906187","created_at":"2026-07-04T16:14:53Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9906187v1","created_at":"2026-07-04T16:14:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9906187","created_at":"2026-07-04T16:14:53Z"},{"alias_kind":"pith_short_12","alias_value":"OVMAUW55B5FL","created_at":"2026-07-04T16:14:53Z"},{"alias_kind":"pith_short_16","alias_value":"OVMAUW55B5FL2NBR","created_at":"2026-07-04T16:14:53Z"},{"alias_kind":"pith_short_8","alias_value":"OVMAUW55","created_at":"2026-07-04T16:14:53Z"}],"graph_snapshots":[{"event_id":"sha256:372dfa67ef253df4a815e1ab929a22fcf15a4e1a2900edd9e9d6bf2028551a4a","target":"graph","created_at":"2026-07-04T16:14:53Z","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/9906187/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analyse an integrable model of two-dimensional gravity which can be reduced to a pair of Liouville fields in conformal gauge. Its general solution represents a pair of ``mirror'' black holes with the same temperature. The ground state is a degenerate constant dilaton configuration similar to the Nariai solution of the Schwarzschild-de Sitter case. The existence of $\\phi=const.$ solutions and their relation with the solution given by the 2D Birkhoff's theorem is then investigated in a more general context. We also point out some interesting features of the semiclassical theory of our model a","authors_text":"A. Fabbri, D. J. Navarro, J. Cruz, J. Navarro-Salas","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1999-06-24T15:18:55Z","title":"Integrable models and degenerate horizons in two-dimensional gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9906187","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":"sha256:083d857b91b13fbff121933af6f8c7168e51f9214acb665bad3a8a4ed00a94fe","target":"record","created_at":"2026-07-04T16:14:53Z","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":"a1eda4f0cf8009d85a36bc2dbfc87325f34b1d650257253cd237f533a326b337","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1999-06-24T15:18:55Z","title_canon_sha256":"6de7e29b3e803e654bdaec0e84c049706c55381579a5b4fb860687345b07c977"},"schema_version":"1.0","source":{"id":"hep-th/9906187","kind":"arxiv","version":1}},"canonical_sha256":"75580a5bbd0f4abd3431ed09e00ad25ea6990af6b447d4c9449114d14f94453c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75580a5bbd0f4abd3431ed09e00ad25ea6990af6b447d4c9449114d14f94453c","first_computed_at":"2026-07-04T16:14:53.001942Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:14:53.001942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"syxgnPIIFJSyP/4le7sWCpCCTeWeJJ7XS8d8y5qNw7sjJvkUwfxzjiEGDOoz8AsXZtDeVuX8cZmNZZxUMsNZDw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:14:53.002356Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9906187","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:083d857b91b13fbff121933af6f8c7168e51f9214acb665bad3a8a4ed00a94fe","sha256:372dfa67ef253df4a815e1ab929a22fcf15a4e1a2900edd9e9d6bf2028551a4a"],"state_sha256":"5f1512a909a5cb570263c64618b7b3d1b33263552601471a43cb443625c31747"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X9Smnp1FNRI47KEKIWCtFzNX324reRKaPyOxl/688FD7UQ/yZaJ1lbp+ImmK8BND85OxybNQAnmiVSbIWVfPCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T03:55:19.820954Z","bundle_sha256":"9b6217332c002123d6d8d16e6f21fa2961a1cb554aa8943262b219269292ee37"}}