{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KGHNF5O7WDKXKHXIJ5QKKDLIBK","short_pith_number":"pith:KGHNF5O7","canonical_record":{"source":{"id":"2505.17220","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2025-05-22T18:52:50Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"4bf3e0b2bc9cd3c9d2dffa8b238c2a5b85bd466568fb6ac346fdba3147f1f8a5","abstract_canon_sha256":"92faef4ebe7c9aa3d8a101f44ffcf423a0a9ff257c99b1e5e7f5eb52b933639c"},"schema_version":"1.0"},"canonical_sha256":"518ed2f5dfb0d5751ee84f60a50d680ab8c5cab6bd90742278e89019d896f308","source":{"kind":"arxiv","id":"2505.17220","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.17220","created_at":"2026-07-05T11:07:49Z"},{"alias_kind":"arxiv_version","alias_value":"2505.17220v1","created_at":"2026-07-05T11:07:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.17220","created_at":"2026-07-05T11:07:49Z"},{"alias_kind":"pith_short_12","alias_value":"KGHNF5O7WDKX","created_at":"2026-07-05T11:07:49Z"},{"alias_kind":"pith_short_16","alias_value":"KGHNF5O7WDKXKHXI","created_at":"2026-07-05T11:07:49Z"},{"alias_kind":"pith_short_8","alias_value":"KGHNF5O7","created_at":"2026-07-05T11:07:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KGHNF5O7WDKXKHXIJ5QKKDLIBK","target":"record","payload":{"canonical_record":{"source":{"id":"2505.17220","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2025-05-22T18:52:50Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"4bf3e0b2bc9cd3c9d2dffa8b238c2a5b85bd466568fb6ac346fdba3147f1f8a5","abstract_canon_sha256":"92faef4ebe7c9aa3d8a101f44ffcf423a0a9ff257c99b1e5e7f5eb52b933639c"},"schema_version":"1.0"},"canonical_sha256":"518ed2f5dfb0d5751ee84f60a50d680ab8c5cab6bd90742278e89019d896f308","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:07:49.099926Z","signature_b64":"uM38Lo+SsILIwPRJeDTpaucKT+Ts5Eb6r2aPdmGjyw7OZGlgxA7aFVq+DsYLpk5+2eg7eLIWEUWyoedkwLyDDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"518ed2f5dfb0d5751ee84f60a50d680ab8c5cab6bd90742278e89019d896f308","last_reissued_at":"2026-07-05T11:07:49.099436Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:07:49.099436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.17220","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":"2026-07-05T11:07:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IyM1hx2adt2rcAMJzePnPHu902SNqt0DT0/x1vTOl4xDYGXL8zR6ew6c55t+J7akhaEpZKbtkEvlwCBv1FUJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T11:05:36.722539Z"},"content_sha256":"c49c9a6f84e4d5d33611f67b592fede3aab98e3c773a0cfa391f51d78efc856e","schema_version":"1.0","event_id":"sha256:c49c9a6f84e4d5d33611f67b592fede3aab98e3c773a0cfa391f51d78efc856e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KGHNF5O7WDKXKHXIJ5QKKDLIBK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the nature of the black hole information problem","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Thiago T. Bergamaschi","submitted_at":"2025-05-22T18:52:50Z","abstract_excerpt":"The aim of this work is to present the black hole information problem and discuss the assumptions and hypotheses necessary for its formulation. As the problem arises in the framework of semiclassical gravity, we first review the necessary notions to describe Lorentzian manifolds equipped with physical properties, as well as the physical concepts of the theory that describes the gravitational interaction as the curvature of spacetime, general relativity. From its classical perspective, we develop the formalism to study the dynamical aspects of black holes in spacetimes obeying suitable causalit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.17220","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/2505.17220/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":"2026-07-05T11:07:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V6hztL4FFGkgJ4R2JtswDMeX6GcwAgAAaLyHaFt9703BhEbRM99xtfjvTtMd16KukZdy28xEkp3SSpacVKfnDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T11:05:36.723461Z"},"content_sha256":"9dda4704ceadda02d46acaa48a6a3e70ef6f135fe4292b5a169b30d25d87f6b9","schema_version":"1.0","event_id":"sha256:9dda4704ceadda02d46acaa48a6a3e70ef6f135fe4292b5a169b30d25d87f6b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KGHNF5O7WDKXKHXIJ5QKKDLIBK/bundle.json","state_url":"https://pith.science/pith/KGHNF5O7WDKXKHXIJ5QKKDLIBK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KGHNF5O7WDKXKHXIJ5QKKDLIBK/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":"2026-08-11T11:05:36Z","links":{"resolver":"https://pith.science/pith/KGHNF5O7WDKXKHXIJ5QKKDLIBK","bundle":"https://pith.science/pith/KGHNF5O7WDKXKHXIJ5QKKDLIBK/bundle.json","state":"https://pith.science/pith/KGHNF5O7WDKXKHXIJ5QKKDLIBK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KGHNF5O7WDKXKHXIJ5QKKDLIBK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KGHNF5O7WDKXKHXIJ5QKKDLIBK","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":"92faef4ebe7c9aa3d8a101f44ffcf423a0a9ff257c99b1e5e7f5eb52b933639c","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2025-05-22T18:52:50Z","title_canon_sha256":"4bf3e0b2bc9cd3c9d2dffa8b238c2a5b85bd466568fb6ac346fdba3147f1f8a5"},"schema_version":"1.0","source":{"id":"2505.17220","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.17220","created_at":"2026-07-05T11:07:49Z"},{"alias_kind":"arxiv_version","alias_value":"2505.17220v1","created_at":"2026-07-05T11:07:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.17220","created_at":"2026-07-05T11:07:49Z"},{"alias_kind":"pith_short_12","alias_value":"KGHNF5O7WDKX","created_at":"2026-07-05T11:07:49Z"},{"alias_kind":"pith_short_16","alias_value":"KGHNF5O7WDKXKHXI","created_at":"2026-07-05T11:07:49Z"},{"alias_kind":"pith_short_8","alias_value":"KGHNF5O7","created_at":"2026-07-05T11:07:49Z"}],"graph_snapshots":[{"event_id":"sha256:9dda4704ceadda02d46acaa48a6a3e70ef6f135fe4292b5a169b30d25d87f6b9","target":"graph","created_at":"2026-07-05T11:07:49Z","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/2505.17220/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The aim of this work is to present the black hole information problem and discuss the assumptions and hypotheses necessary for its formulation. As the problem arises in the framework of semiclassical gravity, we first review the necessary notions to describe Lorentzian manifolds equipped with physical properties, as well as the physical concepts of the theory that describes the gravitational interaction as the curvature of spacetime, general relativity. From its classical perspective, we develop the formalism to study the dynamical aspects of black holes in spacetimes obeying suitable causalit","authors_text":"Thiago T. Bergamaschi","cross_cats":["hep-th","math-ph","math.MP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2025-05-22T18:52:50Z","title":"On the nature of the black hole information problem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.17220","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:c49c9a6f84e4d5d33611f67b592fede3aab98e3c773a0cfa391f51d78efc856e","target":"record","created_at":"2026-07-05T11:07:49Z","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":"92faef4ebe7c9aa3d8a101f44ffcf423a0a9ff257c99b1e5e7f5eb52b933639c","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2025-05-22T18:52:50Z","title_canon_sha256":"4bf3e0b2bc9cd3c9d2dffa8b238c2a5b85bd466568fb6ac346fdba3147f1f8a5"},"schema_version":"1.0","source":{"id":"2505.17220","kind":"arxiv","version":1}},"canonical_sha256":"518ed2f5dfb0d5751ee84f60a50d680ab8c5cab6bd90742278e89019d896f308","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"518ed2f5dfb0d5751ee84f60a50d680ab8c5cab6bd90742278e89019d896f308","first_computed_at":"2026-07-05T11:07:49.099436Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:07:49.099436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uM38Lo+SsILIwPRJeDTpaucKT+Ts5Eb6r2aPdmGjyw7OZGlgxA7aFVq+DsYLpk5+2eg7eLIWEUWyoedkwLyDDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:07:49.099926Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.17220","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c49c9a6f84e4d5d33611f67b592fede3aab98e3c773a0cfa391f51d78efc856e","sha256:9dda4704ceadda02d46acaa48a6a3e70ef6f135fe4292b5a169b30d25d87f6b9"],"state_sha256":"f68bbd24f000bc0a803d7b32b15766479367dbbc4ae00c516afb251dbabb82f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eMmskuIRLy8BALnzBpZmIFg15gxUBttpssOjGN4SDJ89VZfpI8Ho+2Un6V5TqdQyQxPL9mVoCdH0x1DVka7DCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T11:05:36.729857Z","bundle_sha256":"eeaefad3f6678475ae08745652d35abee28ab1dc369b9fa22bd02ce6bf7b677c"}}