{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:VXI7Q4NXY55C6JRAVFCO2PSENL","short_pith_number":"pith:VXI7Q4NX","canonical_record":{"source":{"id":"2103.05782","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-03-09T23:22:00Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"1d3f6ff5e8f9c8f02da31d40d0a74999609d64f9373554077a5ba3c6dae9b066","abstract_canon_sha256":"b987d241c8555366640b4b5280485f8533d1ff7c176fb5bf8b372aaa183cd3d5"},"schema_version":"1.0"},"canonical_sha256":"add1f871b7c77a2f2620a944ed3e446ae18ffec2d950a80ddbba5cc739892264","source":{"kind":"arxiv","id":"2103.05782","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.05782","created_at":"2026-07-05T02:59:16Z"},{"alias_kind":"arxiv_version","alias_value":"2103.05782v2","created_at":"2026-07-05T02:59:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.05782","created_at":"2026-07-05T02:59:16Z"},{"alias_kind":"pith_short_12","alias_value":"VXI7Q4NXY55C","created_at":"2026-07-05T02:59:16Z"},{"alias_kind":"pith_short_16","alias_value":"VXI7Q4NXY55C6JRA","created_at":"2026-07-05T02:59:16Z"},{"alias_kind":"pith_short_8","alias_value":"VXI7Q4NX","created_at":"2026-07-05T02:59:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:VXI7Q4NXY55C6JRAVFCO2PSENL","target":"record","payload":{"canonical_record":{"source":{"id":"2103.05782","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-03-09T23:22:00Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"1d3f6ff5e8f9c8f02da31d40d0a74999609d64f9373554077a5ba3c6dae9b066","abstract_canon_sha256":"b987d241c8555366640b4b5280485f8533d1ff7c176fb5bf8b372aaa183cd3d5"},"schema_version":"1.0"},"canonical_sha256":"add1f871b7c77a2f2620a944ed3e446ae18ffec2d950a80ddbba5cc739892264","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:59:16.178082Z","signature_b64":"NQbyRTY4moRBxQAL+nj33AGrRNpgO4hvdVUUzkbZoqhvYIut/xgVkZVU728ePzCDvD+TvDTYimMB/3PCYmX2AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"add1f871b7c77a2f2620a944ed3e446ae18ffec2d950a80ddbba5cc739892264","last_reissued_at":"2026-07-05T02:59:16.177600Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:59:16.177600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.05782","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:59:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Yz5wHcHPsS5Wf4f9TYTacyUGTmo+FZM6B7hD/nIrgadBiWGXPanY9ujZTOZoe+bxH30uXvazJIHC+04ZcZkBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T12:58:58.233094Z"},"content_sha256":"50f8c0d84083d76aaa3bc134c6cbc0a7c486799b74cc1c90863ae50958d6e3cb","schema_version":"1.0","event_id":"sha256:50f8c0d84083d76aaa3bc134c6cbc0a7c486799b74cc1c90863ae50958d6e3cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:VXI7Q4NXY55C6JRAVFCO2PSENL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A closer glance at black hole pair creation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Anr\\'es Anabal\\'on, Gaston Giribet, Luciano Montecchio, Sasha Brenner","submitted_at":"2021-03-09T23:22:00Z","abstract_excerpt":"We consider accelerated black hole horizons with and without defects. These horizons appear in the $C$-metric solution to Einstein equations and in its generalization to the case where external fields are present. These solutions realize a variety of physical processes, from the decay of a cosmic string by a black hole pair nucleation to the creation of a black hole pair by an external electromagnetic field. Here, we show that such geometries exhibit an infinite set of symmetries in their near horizon region, generalizing in this way previous results for smooth isolated horizons. By considerin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.05782","kind":"arxiv","version":2},"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/2103.05782/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":"2026-07-05T02:59:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q4x2H7yh5ASoeFUQ/srQrCNZ40IZLszwbhURR1oL4/eviso9mLPAWQVQp81Df9pWhCZZyFnFHIe+2EkhdA3hAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T12:58:58.233781Z"},"content_sha256":"8a36fd09f6f33b0499e1148b92a8355999cf5d45f953add9e0237085049d2d6d","schema_version":"1.0","event_id":"sha256:8a36fd09f6f33b0499e1148b92a8355999cf5d45f953add9e0237085049d2d6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VXI7Q4NXY55C6JRAVFCO2PSENL/bundle.json","state_url":"https://pith.science/pith/VXI7Q4NXY55C6JRAVFCO2PSENL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VXI7Q4NXY55C6JRAVFCO2PSENL/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":"2026-08-16T12:58:58Z","links":{"resolver":"https://pith.science/pith/VXI7Q4NXY55C6JRAVFCO2PSENL","bundle":"https://pith.science/pith/VXI7Q4NXY55C6JRAVFCO2PSENL/bundle.json","state":"https://pith.science/pith/VXI7Q4NXY55C6JRAVFCO2PSENL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VXI7Q4NXY55C6JRAVFCO2PSENL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:VXI7Q4NXY55C6JRAVFCO2PSENL","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":"b987d241c8555366640b4b5280485f8533d1ff7c176fb5bf8b372aaa183cd3d5","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-03-09T23:22:00Z","title_canon_sha256":"1d3f6ff5e8f9c8f02da31d40d0a74999609d64f9373554077a5ba3c6dae9b066"},"schema_version":"1.0","source":{"id":"2103.05782","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.05782","created_at":"2026-07-05T02:59:16Z"},{"alias_kind":"arxiv_version","alias_value":"2103.05782v2","created_at":"2026-07-05T02:59:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.05782","created_at":"2026-07-05T02:59:16Z"},{"alias_kind":"pith_short_12","alias_value":"VXI7Q4NXY55C","created_at":"2026-07-05T02:59:16Z"},{"alias_kind":"pith_short_16","alias_value":"VXI7Q4NXY55C6JRA","created_at":"2026-07-05T02:59:16Z"},{"alias_kind":"pith_short_8","alias_value":"VXI7Q4NX","created_at":"2026-07-05T02:59:16Z"}],"graph_snapshots":[{"event_id":"sha256:8a36fd09f6f33b0499e1148b92a8355999cf5d45f953add9e0237085049d2d6d","target":"graph","created_at":"2026-07-05T02:59:16Z","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/2103.05782/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider accelerated black hole horizons with and without defects. These horizons appear in the $C$-metric solution to Einstein equations and in its generalization to the case where external fields are present. These solutions realize a variety of physical processes, from the decay of a cosmic string by a black hole pair nucleation to the creation of a black hole pair by an external electromagnetic field. Here, we show that such geometries exhibit an infinite set of symmetries in their near horizon region, generalizing in this way previous results for smooth isolated horizons. By considerin","authors_text":"Anr\\'es Anabal\\'on, Gaston Giribet, Luciano Montecchio, Sasha Brenner","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-03-09T23:22:00Z","title":"A closer glance at black hole pair creation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.05782","kind":"arxiv","version":2},"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":"sha256:50f8c0d84083d76aaa3bc134c6cbc0a7c486799b74cc1c90863ae50958d6e3cb","target":"record","created_at":"2026-07-05T02:59:16Z","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":"b987d241c8555366640b4b5280485f8533d1ff7c176fb5bf8b372aaa183cd3d5","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-03-09T23:22:00Z","title_canon_sha256":"1d3f6ff5e8f9c8f02da31d40d0a74999609d64f9373554077a5ba3c6dae9b066"},"schema_version":"1.0","source":{"id":"2103.05782","kind":"arxiv","version":2}},"canonical_sha256":"add1f871b7c77a2f2620a944ed3e446ae18ffec2d950a80ddbba5cc739892264","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"add1f871b7c77a2f2620a944ed3e446ae18ffec2d950a80ddbba5cc739892264","first_computed_at":"2026-07-05T02:59:16.177600Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:59:16.177600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NQbyRTY4moRBxQAL+nj33AGrRNpgO4hvdVUUzkbZoqhvYIut/xgVkZVU728ePzCDvD+TvDTYimMB/3PCYmX2AA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:59:16.178082Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.05782","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50f8c0d84083d76aaa3bc134c6cbc0a7c486799b74cc1c90863ae50958d6e3cb","sha256:8a36fd09f6f33b0499e1148b92a8355999cf5d45f953add9e0237085049d2d6d"],"state_sha256":"21c6096f9bcada80c24708ab641409ef361feebfc5096cad26d33b533768b62c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m0emuVUNB/ItBSY3bU35se1pqHF4D822WWPWdunZN3o+hCySHIWXXc9LfY95AljLTewuUgyxRpzzYNryosRfCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T12:58:58.239227Z","bundle_sha256":"97274cbbfd3a99bbb7af1415e607e8a9910526ac33a537aa06637dfc57a71bac"}}