{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:A23L4EL44OZ37AOLTCBA3IPIA5","short_pith_number":"pith:A23L4EL4","canonical_record":{"source":{"id":"2104.11376","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-04-23T02:04:39Z","cross_cats_sorted":[],"title_canon_sha256":"427ea12cae9f914d67677715437000bce8e9ac4650cf4fb5b2924b3af93949df","abstract_canon_sha256":"8682c1e1b8044dde14e4519d1e91cc41ea27144a9a5116173f2a9437b26d531d"},"schema_version":"1.0"},"canonical_sha256":"06b6be117ce3b3bf81cb98820da1e807751c4b1d3fbbdf6801cde0ba30145c83","source":{"kind":"arxiv","id":"2104.11376","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.11376","created_at":"2026-07-05T03:19:43Z"},{"alias_kind":"arxiv_version","alias_value":"2104.11376v3","created_at":"2026-07-05T03:19:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.11376","created_at":"2026-07-05T03:19:43Z"},{"alias_kind":"pith_short_12","alias_value":"A23L4EL44OZ3","created_at":"2026-07-05T03:19:43Z"},{"alias_kind":"pith_short_16","alias_value":"A23L4EL44OZ37AOL","created_at":"2026-07-05T03:19:43Z"},{"alias_kind":"pith_short_8","alias_value":"A23L4EL4","created_at":"2026-07-05T03:19:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:A23L4EL44OZ37AOLTCBA3IPIA5","target":"record","payload":{"canonical_record":{"source":{"id":"2104.11376","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-04-23T02:04:39Z","cross_cats_sorted":[],"title_canon_sha256":"427ea12cae9f914d67677715437000bce8e9ac4650cf4fb5b2924b3af93949df","abstract_canon_sha256":"8682c1e1b8044dde14e4519d1e91cc41ea27144a9a5116173f2a9437b26d531d"},"schema_version":"1.0"},"canonical_sha256":"06b6be117ce3b3bf81cb98820da1e807751c4b1d3fbbdf6801cde0ba30145c83","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:19:43.249459Z","signature_b64":"CgEpgFotGWCWnGRtQVfQfzUJjx3bzNcjhG8ejhtK3vwoZVu/DIKCv1FnCuUc9aBwNOcE/TW0dqapAUNzQoMmCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06b6be117ce3b3bf81cb98820da1e807751c4b1d3fbbdf6801cde0ba30145c83","last_reissued_at":"2026-07-05T03:19:43.248961Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:19:43.248961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.11376","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":"2026-07-05T03:19:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VXLP44kCCv0krFde0eoJ7gPQGodGpOhqH3Rl5PbRBg3nFztAhz+WuUm3cHwcWFpj2tsfnSesCD2of7Z3vsppAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T15:26:23.872156Z"},"content_sha256":"e2ad440bb8202b65ab25280323f43854e09e3e92d76bbab07a868eaf08c76eea","schema_version":"1.0","event_id":"sha256:e2ad440bb8202b65ab25280323f43854e09e3e92d76bbab07a868eaf08c76eea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:A23L4EL44OZ37AOLTCBA3IPIA5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Charged black-bounce spacetimes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Alex Simpson, Edgardo Franzin, Jacopo Mazza, Matt Visser, Stefano Liberati","submitted_at":"2021-04-23T02:04:39Z","abstract_excerpt":"Given the recent development of rotating black-bounce-Kerr spacetimes, for both theoretical and observational purposes it becomes interesting to see whether it might be possible to construct black-bounce variants of the entire Kerr-Newman family. Specifically, herein we shall consider black-bounce-Reissner-Nordstr\\\"om and black-bounce-Kerr-Newman spacetimes as particularly simple and clean everywhere-regular black hole \"mimickers\" that deviate from the Kerr-Newman family in a precisely controlled and minimal manner, and smoothly interpolate between regular black holes and traversable wormholes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.11376","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/2104.11376/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":"2026-07-05T03:19:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2zAOL3Edv47dot3ob8Sj6y/iVL8mQrxEgfU06z/YM/cWRHRTCSCiZnIFyKEX7o0h6F2chgWwWjjBbdLamceoBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T15:26:23.873098Z"},"content_sha256":"8fb9bd2aa786817b8af49ede0ecef98986c5274cd591e81b56beb1439612dc67","schema_version":"1.0","event_id":"sha256:8fb9bd2aa786817b8af49ede0ecef98986c5274cd591e81b56beb1439612dc67"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A23L4EL44OZ37AOLTCBA3IPIA5/bundle.json","state_url":"https://pith.science/pith/A23L4EL44OZ37AOLTCBA3IPIA5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A23L4EL44OZ37AOLTCBA3IPIA5/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":"2026-08-05T15:26:23Z","links":{"resolver":"https://pith.science/pith/A23L4EL44OZ37AOLTCBA3IPIA5","bundle":"https://pith.science/pith/A23L4EL44OZ37AOLTCBA3IPIA5/bundle.json","state":"https://pith.science/pith/A23L4EL44OZ37AOLTCBA3IPIA5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A23L4EL44OZ37AOLTCBA3IPIA5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:A23L4EL44OZ37AOLTCBA3IPIA5","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":"8682c1e1b8044dde14e4519d1e91cc41ea27144a9a5116173f2a9437b26d531d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-04-23T02:04:39Z","title_canon_sha256":"427ea12cae9f914d67677715437000bce8e9ac4650cf4fb5b2924b3af93949df"},"schema_version":"1.0","source":{"id":"2104.11376","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.11376","created_at":"2026-07-05T03:19:43Z"},{"alias_kind":"arxiv_version","alias_value":"2104.11376v3","created_at":"2026-07-05T03:19:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.11376","created_at":"2026-07-05T03:19:43Z"},{"alias_kind":"pith_short_12","alias_value":"A23L4EL44OZ3","created_at":"2026-07-05T03:19:43Z"},{"alias_kind":"pith_short_16","alias_value":"A23L4EL44OZ37AOL","created_at":"2026-07-05T03:19:43Z"},{"alias_kind":"pith_short_8","alias_value":"A23L4EL4","created_at":"2026-07-05T03:19:43Z"}],"graph_snapshots":[{"event_id":"sha256:8fb9bd2aa786817b8af49ede0ecef98986c5274cd591e81b56beb1439612dc67","target":"graph","created_at":"2026-07-05T03:19:43Z","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/2104.11376/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Given the recent development of rotating black-bounce-Kerr spacetimes, for both theoretical and observational purposes it becomes interesting to see whether it might be possible to construct black-bounce variants of the entire Kerr-Newman family. Specifically, herein we shall consider black-bounce-Reissner-Nordstr\\\"om and black-bounce-Kerr-Newman spacetimes as particularly simple and clean everywhere-regular black hole \"mimickers\" that deviate from the Kerr-Newman family in a precisely controlled and minimal manner, and smoothly interpolate between regular black holes and traversable wormholes","authors_text":"Alex Simpson, Edgardo Franzin, Jacopo Mazza, Matt Visser, Stefano Liberati","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-04-23T02:04:39Z","title":"Charged black-bounce spacetimes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.11376","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:e2ad440bb8202b65ab25280323f43854e09e3e92d76bbab07a868eaf08c76eea","target":"record","created_at":"2026-07-05T03:19:43Z","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":"8682c1e1b8044dde14e4519d1e91cc41ea27144a9a5116173f2a9437b26d531d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-04-23T02:04:39Z","title_canon_sha256":"427ea12cae9f914d67677715437000bce8e9ac4650cf4fb5b2924b3af93949df"},"schema_version":"1.0","source":{"id":"2104.11376","kind":"arxiv","version":3}},"canonical_sha256":"06b6be117ce3b3bf81cb98820da1e807751c4b1d3fbbdf6801cde0ba30145c83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06b6be117ce3b3bf81cb98820da1e807751c4b1d3fbbdf6801cde0ba30145c83","first_computed_at":"2026-07-05T03:19:43.248961Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:19:43.248961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CgEpgFotGWCWnGRtQVfQfzUJjx3bzNcjhG8ejhtK3vwoZVu/DIKCv1FnCuUc9aBwNOcE/TW0dqapAUNzQoMmCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:19:43.249459Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.11376","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e2ad440bb8202b65ab25280323f43854e09e3e92d76bbab07a868eaf08c76eea","sha256:8fb9bd2aa786817b8af49ede0ecef98986c5274cd591e81b56beb1439612dc67"],"state_sha256":"aea6d665616b7694f7cf25b2312afcb54d0f6a196552579207b16d86d0924491"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cCZ4+a+RIUlp9qHGR062wRU+tDDjMt7SlMtjumufSP7zSGPzOSoj0nyqoYllsOGufzS6r62NXgktgokqQDr7DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T15:26:23.880051Z","bundle_sha256":"4919f7180e9b97c7a7f1e1070f5a88c86b82c7d67092453272a259d37930e463"}}