{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CB5UDT2SWJOQ3KQLCDSDQ4FFBE","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":"eb2e8cc94cb751908d67addd9ec45e8d8208fa1b2afe4e3ec060c4e56d4ac86c","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-07-03T08:20:57Z","title_canon_sha256":"8f23f6dae9a8b6a4015db1eaf148b188639255390ec74f72d30aaef42465e484"},"schema_version":"1.0","source":{"id":"1607.00612","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.00612","created_at":"2026-05-18T00:53:15Z"},{"alias_kind":"arxiv_version","alias_value":"1607.00612v2","created_at":"2026-05-18T00:53:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.00612","created_at":"2026-05-18T00:53:15Z"},{"alias_kind":"pith_short_12","alias_value":"CB5UDT2SWJOQ","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CB5UDT2SWJOQ3KQL","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CB5UDT2S","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:fafcf6236a9faf29825d50856c79881a6c48c3739abe1cc0e86a07606073e1d0","target":"graph","created_at":"2026-05-18T00:53:15Z","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"},"paper":{"abstract_excerpt":"We show that density spikes begin to form from dark matter particles around primordial black holes immediately after their formation at the radiation-dominated cosmological stage. This follows from the fact that in the thermal velocity distribution of particles there are particles with low velocities that remain in finite orbits around black holes and are not involved in the cosmological expansion. The accumulation of such particles near black holes gives rise to density spikes. These spikes are considerably denser than those that are formed later by the mechanism of secondary accretion. The d","authors_text":"Yu. N. Eroshenko","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-07-03T08:20:57Z","title":"Dark Matter Density Spikes around Primordial Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.00612","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":"sha256:4c54836c76dd2e7f6078d65d16e1f274b739103468fc07a42bc9b01942cfd8ba","target":"record","created_at":"2026-05-18T00:53:15Z","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":"eb2e8cc94cb751908d67addd9ec45e8d8208fa1b2afe4e3ec060c4e56d4ac86c","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-07-03T08:20:57Z","title_canon_sha256":"8f23f6dae9a8b6a4015db1eaf148b188639255390ec74f72d30aaef42465e484"},"schema_version":"1.0","source":{"id":"1607.00612","kind":"arxiv","version":2}},"canonical_sha256":"107b41cf52b25d0daa0b10e43870a50918d12556d4baa9d5e73e8878383fe0ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"107b41cf52b25d0daa0b10e43870a50918d12556d4baa9d5e73e8878383fe0ec","first_computed_at":"2026-05-18T00:53:15.597511Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:15.597511Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rtGwX/53a6pxhbzjeVhAPISFKbDG6DfgRRixe7r0JRUfxFyp++tGj75+VHmejqrjdlD5pOJ75FcV184sHY5yBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:15.598031Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.00612","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c54836c76dd2e7f6078d65d16e1f274b739103468fc07a42bc9b01942cfd8ba","sha256:fafcf6236a9faf29825d50856c79881a6c48c3739abe1cc0e86a07606073e1d0"],"state_sha256":"792838c8a9a5af7c612ee9cf6d06df58f15c9e0ab7112531bb9fa72982c8f9eb"}