{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:W5JBUNNU473GPNQQLDIGPAGAL5","short_pith_number":"pith:W5JBUNNU","canonical_record":{"source":{"id":"2106.05015","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-06-09T12:28:26Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"3c044b45a43e43b99a3557e86b60dee94bce2da67b8b497c82ea05fd033f4922","abstract_canon_sha256":"48224220b20074d1d7bd34473a9a3373172bc1a41af89c0d626dc08cd5820d09"},"schema_version":"1.0"},"canonical_sha256":"b7521a35b4e7f667b61058d06780c05f6937e56f50a013a8e89487edad883673","source":{"kind":"arxiv","id":"2106.05015","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.05015","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"arxiv_version","alias_value":"2106.05015v3","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.05015","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_12","alias_value":"W5JBUNNU473G","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_16","alias_value":"W5JBUNNU473GPNQQ","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_8","alias_value":"W5JBUNNU","created_at":"2026-07-05T03:16:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:W5JBUNNU473GPNQQLDIGPAGAL5","target":"record","payload":{"canonical_record":{"source":{"id":"2106.05015","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-06-09T12:28:26Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"3c044b45a43e43b99a3557e86b60dee94bce2da67b8b497c82ea05fd033f4922","abstract_canon_sha256":"48224220b20074d1d7bd34473a9a3373172bc1a41af89c0d626dc08cd5820d09"},"schema_version":"1.0"},"canonical_sha256":"b7521a35b4e7f667b61058d06780c05f6937e56f50a013a8e89487edad883673","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:16:18.109121Z","signature_b64":"NJKGdSAsq6AkG6yVGkfnY9S0qkhPEW52MsSb8zy4HmVIPN3UTeT/gcjIRHSX8fx4Q48qLniTLw2wslr8VI1dCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7521a35b4e7f667b61058d06780c05f6937e56f50a013a8e89487edad883673","last_reissued_at":"2026-07-05T03:16:18.108628Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:16:18.108628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.05015","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:16:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jmNfttcHXr27NrxCe+CyXTqKAbkK8qAApeRiX12IiyU+Sy57EDpRzz82MMh+s3i7KA8RRqGi4ssR+MY1CuK3AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T15:01:06.155456Z"},"content_sha256":"5faa0f23ba577bbae0e7734a7750ba8d6f369868c84096715a54042fb3def872","schema_version":"1.0","event_id":"sha256:5faa0f23ba577bbae0e7734a7750ba8d6f369868c84096715a54042fb3def872"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:W5JBUNNU473GPNQQLDIGPAGAL5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum improved charged black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Akihiro Ishibashi, Daiki Yamaguchi, Nobuyoshi Ohta","submitted_at":"2021-06-09T12:28:26Z","abstract_excerpt":"We consider quantum effects of gravitational and electromagnetic fields in spherically symmetric black hole spacetimes in the asymptotic safety scenario. Introducing both the running gravitational and electromagnetic couplings from the renormalization group equations and applying a physically sensible scale identification scheme based on the Kretschmann scalar, we construct a quantum mechanically corrected, or quantum improved Reissner-Nordstrom metric. We study the global structure of the quantum improved geometry and show, in particular, that the central singularity is resolved, being genera"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.05015","kind":"arxiv","version":3},"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/2106.05015/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":"2026-07-05T03:16:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XsDzyfCne1UeKWYt043r3Q2cQwiJ941WblFcIXBekfdrCEZHgvU+0nynJgYA5fBc+x0sLlqFj70Hb+GsRJYdAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T15:01:06.155961Z"},"content_sha256":"46984a841841cb3400364e866e7f0d6fc35acd0c6994ff92473183381bddfe79","schema_version":"1.0","event_id":"sha256:46984a841841cb3400364e866e7f0d6fc35acd0c6994ff92473183381bddfe79"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W5JBUNNU473GPNQQLDIGPAGAL5/bundle.json","state_url":"https://pith.science/pith/W5JBUNNU473GPNQQLDIGPAGAL5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W5JBUNNU473GPNQQLDIGPAGAL5/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":"2026-08-20T15:01:06Z","links":{"resolver":"https://pith.science/pith/W5JBUNNU473GPNQQLDIGPAGAL5","bundle":"https://pith.science/pith/W5JBUNNU473GPNQQLDIGPAGAL5/bundle.json","state":"https://pith.science/pith/W5JBUNNU473GPNQQLDIGPAGAL5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W5JBUNNU473GPNQQLDIGPAGAL5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:W5JBUNNU473GPNQQLDIGPAGAL5","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":"48224220b20074d1d7bd34473a9a3373172bc1a41af89c0d626dc08cd5820d09","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-06-09T12:28:26Z","title_canon_sha256":"3c044b45a43e43b99a3557e86b60dee94bce2da67b8b497c82ea05fd033f4922"},"schema_version":"1.0","source":{"id":"2106.05015","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.05015","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"arxiv_version","alias_value":"2106.05015v3","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.05015","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_12","alias_value":"W5JBUNNU473G","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_16","alias_value":"W5JBUNNU473GPNQQ","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_8","alias_value":"W5JBUNNU","created_at":"2026-07-05T03:16:18Z"}],"graph_snapshots":[{"event_id":"sha256:46984a841841cb3400364e866e7f0d6fc35acd0c6994ff92473183381bddfe79","target":"graph","created_at":"2026-07-05T03:16:18Z","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/2106.05015/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider quantum effects of gravitational and electromagnetic fields in spherically symmetric black hole spacetimes in the asymptotic safety scenario. Introducing both the running gravitational and electromagnetic couplings from the renormalization group equations and applying a physically sensible scale identification scheme based on the Kretschmann scalar, we construct a quantum mechanically corrected, or quantum improved Reissner-Nordstrom metric. We study the global structure of the quantum improved geometry and show, in particular, that the central singularity is resolved, being genera","authors_text":"Akihiro Ishibashi, Daiki Yamaguchi, Nobuyoshi Ohta","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-06-09T12:28:26Z","title":"Quantum improved charged black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.05015","kind":"arxiv","version":3},"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":"sha256:5faa0f23ba577bbae0e7734a7750ba8d6f369868c84096715a54042fb3def872","target":"record","created_at":"2026-07-05T03:16:18Z","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":"48224220b20074d1d7bd34473a9a3373172bc1a41af89c0d626dc08cd5820d09","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-06-09T12:28:26Z","title_canon_sha256":"3c044b45a43e43b99a3557e86b60dee94bce2da67b8b497c82ea05fd033f4922"},"schema_version":"1.0","source":{"id":"2106.05015","kind":"arxiv","version":3}},"canonical_sha256":"b7521a35b4e7f667b61058d06780c05f6937e56f50a013a8e89487edad883673","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b7521a35b4e7f667b61058d06780c05f6937e56f50a013a8e89487edad883673","first_computed_at":"2026-07-05T03:16:18.108628Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:16:18.108628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NJKGdSAsq6AkG6yVGkfnY9S0qkhPEW52MsSb8zy4HmVIPN3UTeT/gcjIRHSX8fx4Q48qLniTLw2wslr8VI1dCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:16:18.109121Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.05015","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5faa0f23ba577bbae0e7734a7750ba8d6f369868c84096715a54042fb3def872","sha256:46984a841841cb3400364e866e7f0d6fc35acd0c6994ff92473183381bddfe79"],"state_sha256":"8db1da7b89b2815dd9575168963cf97f46d0ff98a97aaa9dd845a71040305dfa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"99H1c4WQKHM7FHTjYtN5vnCUWJOSe3fWwb8yQIzQG/A/6ZkqvGq3EhDt+HGuWzzJ/ws1AwndEfD4Fw649/ZGAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T15:01:06.160727Z","bundle_sha256":"73078ade5272d092b9d2215667326371694c5744b5ad991a0971a9da72ce31b5"}}