{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:72GC55367R42KY7CCHTZXA2XJI","short_pith_number":"pith:72GC5536","canonical_record":{"source":{"id":"2001.07476","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-01-21T12:30:21Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"b9046492021343a67ace4c495faeaf92ec58728bc5a23ab140ef8f3f8e61fcb9","abstract_canon_sha256":"cedc9b4d61ff6151fb8d2f0418a08cae46a3ab5bd44c6fb33c36abffb126e348"},"schema_version":"1.0"},"canonical_sha256":"fe8c2ef77efc79a563e211e79b83574a3598098c4df81da722d1bfc77b841c4c","source":{"kind":"arxiv","id":"2001.07476","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.07476","created_at":"2026-07-05T01:43:38Z"},{"alias_kind":"arxiv_version","alias_value":"2001.07476v3","created_at":"2026-07-05T01:43:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.07476","created_at":"2026-07-05T01:43:38Z"},{"alias_kind":"pith_short_12","alias_value":"72GC55367R42","created_at":"2026-07-05T01:43:38Z"},{"alias_kind":"pith_short_16","alias_value":"72GC55367R42KY7C","created_at":"2026-07-05T01:43:38Z"},{"alias_kind":"pith_short_8","alias_value":"72GC5536","created_at":"2026-07-05T01:43:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:72GC55367R42KY7CCHTZXA2XJI","target":"record","payload":{"canonical_record":{"source":{"id":"2001.07476","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-01-21T12:30:21Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"b9046492021343a67ace4c495faeaf92ec58728bc5a23ab140ef8f3f8e61fcb9","abstract_canon_sha256":"cedc9b4d61ff6151fb8d2f0418a08cae46a3ab5bd44c6fb33c36abffb126e348"},"schema_version":"1.0"},"canonical_sha256":"fe8c2ef77efc79a563e211e79b83574a3598098c4df81da722d1bfc77b841c4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:43:38.970264Z","signature_b64":"fbHr9y0Xh5a+gcJ6u1CrkKZDrxU3AtX/1yzOMXo8hx1CJfCQAPeQ7UmmdhBIPf27jh7cizZopl3BGRGHHAAgAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe8c2ef77efc79a563e211e79b83574a3598098c4df81da722d1bfc77b841c4c","last_reissued_at":"2026-07-05T01:43:38.969807Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:43:38.969807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.07476","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":"2026-07-05T01:43:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R6Okj5mW+Y1E/H7+KHUOIT5uenlhowubu+8SXz5m3kAd0yfm0oXK2lnSLXar/rwcURplCrBDy5a7XJ8l6WHkCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T04:23:05.716800Z"},"content_sha256":"cde3b7a7ef92607aea73d1d55c68830493a091a9be2252c22fef02f3b1a936ac","schema_version":"1.0","event_id":"sha256:cde3b7a7ef92607aea73d1d55c68830493a091a9be2252c22fef02f3b1a936ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:72GC55367R42KY7CCHTZXA2XJI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Axion Star Nucleation in Dark Minihalos around Primordial Black Holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Enrico D. Schiappacasse, Mark P. Hertzberg, Tsutomu T. Yanagida","submitted_at":"2020-01-21T12:30:21Z","abstract_excerpt":"We consider a general class of axion models, including the QCD and string axion, in which the PQ symmetry is broken before or during inflation. Assuming the axion is the dominant component of the dark matter, we discuss axion star formation in virialized dark minihalos around primordial black holes through gravitational Bose-Einstein condensation. We determine the conditions for minihalos to kinetically produce axion stars before galaxy formation. Today, we expect up to $\\sim 10^{17}$ ($\\sim 10^9$) axion stars in a radius of 100 parsecs around the Sun for the case of the QCD (string) axion."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.07476","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/2001.07476/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":"2026-07-05T01:43:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CAFig5LHPc+Bq2noYb5jkXdsaxczvioHtiiOPyj2ilAJHaHhwr4X8KeVlFdE0NQitspp2sWpqtSzhBPNhKzqCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T04:23:05.717632Z"},"content_sha256":"bd452a25d54d9331a3a9e68c16a505641909d1d89843bc2bb7ba45f591fe0b4d","schema_version":"1.0","event_id":"sha256:bd452a25d54d9331a3a9e68c16a505641909d1d89843bc2bb7ba45f591fe0b4d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/72GC55367R42KY7CCHTZXA2XJI/bundle.json","state_url":"https://pith.science/pith/72GC55367R42KY7CCHTZXA2XJI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/72GC55367R42KY7CCHTZXA2XJI/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":"2026-08-13T04:23:05Z","links":{"resolver":"https://pith.science/pith/72GC55367R42KY7CCHTZXA2XJI","bundle":"https://pith.science/pith/72GC55367R42KY7CCHTZXA2XJI/bundle.json","state":"https://pith.science/pith/72GC55367R42KY7CCHTZXA2XJI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/72GC55367R42KY7CCHTZXA2XJI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:72GC55367R42KY7CCHTZXA2XJI","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":"cedc9b4d61ff6151fb8d2f0418a08cae46a3ab5bd44c6fb33c36abffb126e348","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-01-21T12:30:21Z","title_canon_sha256":"b9046492021343a67ace4c495faeaf92ec58728bc5a23ab140ef8f3f8e61fcb9"},"schema_version":"1.0","source":{"id":"2001.07476","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.07476","created_at":"2026-07-05T01:43:38Z"},{"alias_kind":"arxiv_version","alias_value":"2001.07476v3","created_at":"2026-07-05T01:43:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.07476","created_at":"2026-07-05T01:43:38Z"},{"alias_kind":"pith_short_12","alias_value":"72GC55367R42","created_at":"2026-07-05T01:43:38Z"},{"alias_kind":"pith_short_16","alias_value":"72GC55367R42KY7C","created_at":"2026-07-05T01:43:38Z"},{"alias_kind":"pith_short_8","alias_value":"72GC5536","created_at":"2026-07-05T01:43:38Z"}],"graph_snapshots":[{"event_id":"sha256:bd452a25d54d9331a3a9e68c16a505641909d1d89843bc2bb7ba45f591fe0b4d","target":"graph","created_at":"2026-07-05T01:43:38Z","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/2001.07476/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider a general class of axion models, including the QCD and string axion, in which the PQ symmetry is broken before or during inflation. Assuming the axion is the dominant component of the dark matter, we discuss axion star formation in virialized dark minihalos around primordial black holes through gravitational Bose-Einstein condensation. We determine the conditions for minihalos to kinetically produce axion stars before galaxy formation. Today, we expect up to $\\sim 10^{17}$ ($\\sim 10^9$) axion stars in a radius of 100 parsecs around the Sun for the case of the QCD (string) axion.","authors_text":"Enrico D. Schiappacasse, Mark P. Hertzberg, Tsutomu T. Yanagida","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-01-21T12:30:21Z","title":"Axion Star Nucleation in Dark Minihalos around Primordial Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.07476","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:cde3b7a7ef92607aea73d1d55c68830493a091a9be2252c22fef02f3b1a936ac","target":"record","created_at":"2026-07-05T01:43:38Z","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":"cedc9b4d61ff6151fb8d2f0418a08cae46a3ab5bd44c6fb33c36abffb126e348","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-01-21T12:30:21Z","title_canon_sha256":"b9046492021343a67ace4c495faeaf92ec58728bc5a23ab140ef8f3f8e61fcb9"},"schema_version":"1.0","source":{"id":"2001.07476","kind":"arxiv","version":3}},"canonical_sha256":"fe8c2ef77efc79a563e211e79b83574a3598098c4df81da722d1bfc77b841c4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe8c2ef77efc79a563e211e79b83574a3598098c4df81da722d1bfc77b841c4c","first_computed_at":"2026-07-05T01:43:38.969807Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:43:38.969807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fbHr9y0Xh5a+gcJ6u1CrkKZDrxU3AtX/1yzOMXo8hx1CJfCQAPeQ7UmmdhBIPf27jh7cizZopl3BGRGHHAAgAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:43:38.970264Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.07476","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cde3b7a7ef92607aea73d1d55c68830493a091a9be2252c22fef02f3b1a936ac","sha256:bd452a25d54d9331a3a9e68c16a505641909d1d89843bc2bb7ba45f591fe0b4d"],"state_sha256":"71e541683e0779fe74c2d82718172b07d99d8596de295cfb0f0bab3346251dc2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"thPBWMauUeEV+xnnzkqH/yfNkuwpFZBiAj1fQtVUwDaGvQw8qUSfwaZsWUf6Ynqy2tOmOMzJfYplj6Pwj8o9Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T04:23:05.722614Z","bundle_sha256":"618e9977d61ac1900bb76975ee29d0b1bd26d8b692d903f7757930b6ddcd9f77"}}