{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:TLKJV5TPO6POFTGY73YQRL4OME","short_pith_number":"pith:TLKJV5TP","canonical_record":{"source":{"id":"2306.09430","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-06-15T18:21:36Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"0f9d376264d2eddec4bc6f2d20e55b14610b0d94ea424752f0c04d951a1c3c09","abstract_canon_sha256":"2858d006ed67cdfbae862708eab8dfdcf710792cc13d89828afd01e3f02d6218"},"schema_version":"1.0"},"canonical_sha256":"9ad49af66f779ee2ccd8fef108af8e612cb38e5be869d71241883f783b8ed96b","source":{"kind":"arxiv","id":"2306.09430","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.09430","created_at":"2026-07-05T06:21:19Z"},{"alias_kind":"arxiv_version","alias_value":"2306.09430v1","created_at":"2026-07-05T06:21:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.09430","created_at":"2026-07-05T06:21:19Z"},{"alias_kind":"pith_short_12","alias_value":"TLKJV5TPO6PO","created_at":"2026-07-05T06:21:19Z"},{"alias_kind":"pith_short_16","alias_value":"TLKJV5TPO6POFTGY","created_at":"2026-07-05T06:21:19Z"},{"alias_kind":"pith_short_8","alias_value":"TLKJV5TP","created_at":"2026-07-05T06:21:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:TLKJV5TPO6POFTGY73YQRL4OME","target":"record","payload":{"canonical_record":{"source":{"id":"2306.09430","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-06-15T18:21:36Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"0f9d376264d2eddec4bc6f2d20e55b14610b0d94ea424752f0c04d951a1c3c09","abstract_canon_sha256":"2858d006ed67cdfbae862708eab8dfdcf710792cc13d89828afd01e3f02d6218"},"schema_version":"1.0"},"canonical_sha256":"9ad49af66f779ee2ccd8fef108af8e612cb38e5be869d71241883f783b8ed96b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:21:19.967005Z","signature_b64":"b+wvCawwXW2fhqpMFExZTM89FOwShaJ7d/gAyDFh9I+dypi7NPl4HVZGhag8XuGngk0D+sp9fuW5uiyWoEobDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ad49af66f779ee2ccd8fef108af8e612cb38e5be869d71241883f783b8ed96b","last_reissued_at":"2026-07-05T06:21:19.966523Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:21:19.966523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.09430","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":"2026-07-05T06:21:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r/wqL/vD/oYkkrJNOz/8UAz4BsYPC+ghgUGOWyeN05p3XckYkdykudE2rgG9xVsrQSlOqy3fohrVCEztooKnDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T03:13:07.050275Z"},"content_sha256":"dc97e57deafdaa4282c44bd65f1816303abc71a6c3897e03f09cb04aa0cd8ac8","schema_version":"1.0","event_id":"sha256:dc97e57deafdaa4282c44bd65f1816303abc71a6c3897e03f09cb04aa0cd8ac8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:TLKJV5TPO6POFTGY73YQRL4OME","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Primordial black hole superradiance and evaporation in the string axiverse","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc"],"primary_cat":"hep-ph","authors_text":"Filipe Serrano, Jo\\~ao G. Rosa, Marco Calz\\`a","submitted_at":"2023-06-15T18:21:36Z","abstract_excerpt":"In the string axiverse scenario, light primordial black holes may spin up due to the Hawking emission of a large number of light (sub-MeV) axions. We show that this may trigger superradiant instabilities associated with a heavier axion during the black holes' evolution, and study the coupled dynamics of superradiance and evaporation. We find, in particular, that the present black hole mass-spin distribution should follow the superradiance threshold condition for black hole masses below the value at which the superradiant cloud forms, for a given heavy axion mass. Furthermore, we show that the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.09430","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/2306.09430/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":"2026-07-05T06:21:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WP3LxmCdvhQkC5BkOjW3uxlwjayw9xt3z3G4U8e5+NfTJNQ90mhnsUDkB4TEUmsVA7Ra6wWlJCYncfwDOVwwCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T03:13:07.050885Z"},"content_sha256":"22116970811976714d48d57f79dd2a28045871788da32efa7c6c76e9444a1eee","schema_version":"1.0","event_id":"sha256:22116970811976714d48d57f79dd2a28045871788da32efa7c6c76e9444a1eee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TLKJV5TPO6POFTGY73YQRL4OME/bundle.json","state_url":"https://pith.science/pith/TLKJV5TPO6POFTGY73YQRL4OME/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TLKJV5TPO6POFTGY73YQRL4OME/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":"2026-08-11T03:13:07Z","links":{"resolver":"https://pith.science/pith/TLKJV5TPO6POFTGY73YQRL4OME","bundle":"https://pith.science/pith/TLKJV5TPO6POFTGY73YQRL4OME/bundle.json","state":"https://pith.science/pith/TLKJV5TPO6POFTGY73YQRL4OME/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TLKJV5TPO6POFTGY73YQRL4OME/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:TLKJV5TPO6POFTGY73YQRL4OME","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":"2858d006ed67cdfbae862708eab8dfdcf710792cc13d89828afd01e3f02d6218","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-06-15T18:21:36Z","title_canon_sha256":"0f9d376264d2eddec4bc6f2d20e55b14610b0d94ea424752f0c04d951a1c3c09"},"schema_version":"1.0","source":{"id":"2306.09430","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.09430","created_at":"2026-07-05T06:21:19Z"},{"alias_kind":"arxiv_version","alias_value":"2306.09430v1","created_at":"2026-07-05T06:21:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.09430","created_at":"2026-07-05T06:21:19Z"},{"alias_kind":"pith_short_12","alias_value":"TLKJV5TPO6PO","created_at":"2026-07-05T06:21:19Z"},{"alias_kind":"pith_short_16","alias_value":"TLKJV5TPO6POFTGY","created_at":"2026-07-05T06:21:19Z"},{"alias_kind":"pith_short_8","alias_value":"TLKJV5TP","created_at":"2026-07-05T06:21:19Z"}],"graph_snapshots":[{"event_id":"sha256:22116970811976714d48d57f79dd2a28045871788da32efa7c6c76e9444a1eee","target":"graph","created_at":"2026-07-05T06:21:19Z","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/2306.09430/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the string axiverse scenario, light primordial black holes may spin up due to the Hawking emission of a large number of light (sub-MeV) axions. We show that this may trigger superradiant instabilities associated with a heavier axion during the black holes' evolution, and study the coupled dynamics of superradiance and evaporation. We find, in particular, that the present black hole mass-spin distribution should follow the superradiance threshold condition for black hole masses below the value at which the superradiant cloud forms, for a given heavy axion mass. Furthermore, we show that the ","authors_text":"Filipe Serrano, Jo\\~ao G. Rosa, Marco Calz\\`a","cross_cats":["astro-ph.CO","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-06-15T18:21:36Z","title":"Primordial black hole superradiance and evaporation in the string axiverse"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.09430","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:dc97e57deafdaa4282c44bd65f1816303abc71a6c3897e03f09cb04aa0cd8ac8","target":"record","created_at":"2026-07-05T06:21:19Z","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":"2858d006ed67cdfbae862708eab8dfdcf710792cc13d89828afd01e3f02d6218","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-06-15T18:21:36Z","title_canon_sha256":"0f9d376264d2eddec4bc6f2d20e55b14610b0d94ea424752f0c04d951a1c3c09"},"schema_version":"1.0","source":{"id":"2306.09430","kind":"arxiv","version":1}},"canonical_sha256":"9ad49af66f779ee2ccd8fef108af8e612cb38e5be869d71241883f783b8ed96b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ad49af66f779ee2ccd8fef108af8e612cb38e5be869d71241883f783b8ed96b","first_computed_at":"2026-07-05T06:21:19.966523Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:21:19.966523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b+wvCawwXW2fhqpMFExZTM89FOwShaJ7d/gAyDFh9I+dypi7NPl4HVZGhag8XuGngk0D+sp9fuW5uiyWoEobDA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:21:19.967005Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.09430","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc97e57deafdaa4282c44bd65f1816303abc71a6c3897e03f09cb04aa0cd8ac8","sha256:22116970811976714d48d57f79dd2a28045871788da32efa7c6c76e9444a1eee"],"state_sha256":"f6c4f1c4a2ca7f8907e0093a2df1685c7bbe26b1e61fceaf53f0ae11700b1007"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZhIvz8zy7dFlJLyEeTjizH2x61Y/yeZ+lD715z5V0iQvMoNA2SoxRHO7dsV5+3jcxq6S/O3heyx6JcF113M4Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T03:13:07.054128Z","bundle_sha256":"b071809775f0dab5d52166b35358c06a70bb1576002aadce34880186cad70dbc"}}