{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:JWJZKYPV6ZJT2EVXIR3CIRBB7I","short_pith_number":"pith:JWJZKYPV","schema_version":"1.0","canonical_sha256":"4d939561f5f6533d12b74476244421fa2b32ca510f2bae4dc893e1b02038a81f","source":{"kind":"arxiv","id":"1007.3849","version":2},"attestation_state":"computed","paper":{"title":"Accretion onto black holes formed by direct collapse","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Fabrice Durier, Jarrett L. Johnson, Sadegh Khochfar, Thomas H. Greif","submitted_at":"2010-07-22T10:35:08Z","abstract_excerpt":"One possible scenario for the formation of massive black holes (BHs) in the early Universe is from the direct collapse of primordial gas in atomic-cooling dark matter haloes in which the gas is unable to cool efficiently via molecular transitions. We study the formation of such BHs, as well as the accretion of gas onto these objects and the high energy radiation emitted in the accretion process, by carrying out cosmological radiation hydrodynamics simulations. In the absence of radiative feedback, we find an upper limit to the accretion rate onto the central object which forms from the initial"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1007.3849","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-22T10:35:08Z","cross_cats_sorted":[],"title_canon_sha256":"2a345e7d7aa76be8ca4ef900a5a52e9b872c13a0afa175d71c24278e63d8a2b4","abstract_canon_sha256":"7731117b47899142cb5cf1e3185944cb865113baddfa69ec465be423f326f0b1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:11.629115Z","signature_b64":"HqkcuZW3fQ9ZPe2wFrGeoUYbNyeE3H3xC2uBZMxTlaLd224Ts8MlPxe34v6xisE1MlzYT9V1yQ0qUrAM3tCICg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d939561f5f6533d12b74476244421fa2b32ca510f2bae4dc893e1b02038a81f","last_reissued_at":"2026-05-18T02:06:11.628493Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:11.628493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Accretion onto black holes formed by direct collapse","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Fabrice Durier, Jarrett L. Johnson, Sadegh Khochfar, Thomas H. Greif","submitted_at":"2010-07-22T10:35:08Z","abstract_excerpt":"One possible scenario for the formation of massive black holes (BHs) in the early Universe is from the direct collapse of primordial gas in atomic-cooling dark matter haloes in which the gas is unable to cool efficiently via molecular transitions. We study the formation of such BHs, as well as the accretion of gas onto these objects and the high energy radiation emitted in the accretion process, by carrying out cosmological radiation hydrodynamics simulations. In the absence of radiative feedback, we find an upper limit to the accretion rate onto the central object which forms from the initial"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.3849","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1007.3849","created_at":"2026-05-18T02:06:11.628584+00:00"},{"alias_kind":"arxiv_version","alias_value":"1007.3849v2","created_at":"2026-05-18T02:06:11.628584+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.3849","created_at":"2026-05-18T02:06:11.628584+00:00"},{"alias_kind":"pith_short_12","alias_value":"JWJZKYPV6ZJT","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_16","alias_value":"JWJZKYPV6ZJT2EVX","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_8","alias_value":"JWJZKYPV","created_at":"2026-05-18T12:26:09.077623+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JWJZKYPV6ZJT2EVXIR3CIRBB7I","json":"https://pith.science/pith/JWJZKYPV6ZJT2EVXIR3CIRBB7I.json","graph_json":"https://pith.science/api/pith-number/JWJZKYPV6ZJT2EVXIR3CIRBB7I/graph.json","events_json":"https://pith.science/api/pith-number/JWJZKYPV6ZJT2EVXIR3CIRBB7I/events.json","paper":"https://pith.science/paper/JWJZKYPV"},"agent_actions":{"view_html":"https://pith.science/pith/JWJZKYPV6ZJT2EVXIR3CIRBB7I","download_json":"https://pith.science/pith/JWJZKYPV6ZJT2EVXIR3CIRBB7I.json","view_paper":"https://pith.science/paper/JWJZKYPV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1007.3849&json=true","fetch_graph":"https://pith.science/api/pith-number/JWJZKYPV6ZJT2EVXIR3CIRBB7I/graph.json","fetch_events":"https://pith.science/api/pith-number/JWJZKYPV6ZJT2EVXIR3CIRBB7I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JWJZKYPV6ZJT2EVXIR3CIRBB7I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JWJZKYPV6ZJT2EVXIR3CIRBB7I/action/storage_attestation","attest_author":"https://pith.science/pith/JWJZKYPV6ZJT2EVXIR3CIRBB7I/action/author_attestation","sign_citation":"https://pith.science/pith/JWJZKYPV6ZJT2EVXIR3CIRBB7I/action/citation_signature","submit_replication":"https://pith.science/pith/JWJZKYPV6ZJT2EVXIR3CIRBB7I/action/replication_record"}},"created_at":"2026-05-18T02:06:11.628584+00:00","updated_at":"2026-05-18T02:06:11.628584+00:00"}