{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:MVH4FRCNHPS6ZD6R2PFNIB7DX7","short_pith_number":"pith:MVH4FRCN","schema_version":"1.0","canonical_sha256":"654fc2c44d3be5ec8fd1d3cad407e3bff41bba131ec89190df9fb987729f6ec0","source":{"kind":"arxiv","id":"2412.01828","version":1},"attestation_state":"computed","paper":{"title":"The Origin of Supermassive Black Holes from Pop III.1 Seeds","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Devesh Nandal, Jasbir Singh, Jonathan C. Tan, Mahsa Sanati, Maya Petkova, Pierluigi Monaco, Vieri Cammelli","submitted_at":"2024-12-02T18:59:59Z","abstract_excerpt":"The origin of supermassive black holes (SMBHs) is a key open question for contemporary astrophysics and cosmology. Here we review the features of a cosmological model of SMBH formation from Pop III.1 seeds, i.e., remnants of metal-free stars forming in locally-isolated minihalos, where energy injection from dark matter particle annihilation alters the structure of the protostar allowing growth to supermassive scales (Banik et al. 2019; Singh et al. 2023; Cammelli et al. 2024). The Pop III.1 model explains the paucity of intermediate-mass black holes (IMBHs) via a characteristic SMBH seed mass "},"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":"2412.01828","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-12-02T18:59:59Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"5e0dca6210f89885bf8df13d660f0e7492f4db8b9eb6869b5971652db57a704a","abstract_canon_sha256":"7150d3d2c9cf184b6c4fea13b8054ecf4d784b5fa6663b8cd87db6a96a3ac888"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:43:20.191626Z","signature_b64":"nKPdFAns2DeTer+xUCOvwjy6vMGAdeLPMOJwo8UYLsVonFs23HLxOddmK7csgP7J9MIqSGOSJXPOXP/YKjUODw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"654fc2c44d3be5ec8fd1d3cad407e3bff41bba131ec89190df9fb987729f6ec0","last_reissued_at":"2026-07-05T09:43:20.191141Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:43:20.191141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Origin of Supermassive Black Holes from Pop III.1 Seeds","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Devesh Nandal, Jasbir Singh, Jonathan C. Tan, Mahsa Sanati, Maya Petkova, Pierluigi Monaco, Vieri Cammelli","submitted_at":"2024-12-02T18:59:59Z","abstract_excerpt":"The origin of supermassive black holes (SMBHs) is a key open question for contemporary astrophysics and cosmology. Here we review the features of a cosmological model of SMBH formation from Pop III.1 seeds, i.e., remnants of metal-free stars forming in locally-isolated minihalos, where energy injection from dark matter particle annihilation alters the structure of the protostar allowing growth to supermassive scales (Banik et al. 2019; Singh et al. 2023; Cammelli et al. 2024). The Pop III.1 model explains the paucity of intermediate-mass black holes (IMBHs) via a characteristic SMBH seed mass "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.01828","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/2412.01828/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2412.01828","created_at":"2026-07-05T09:43:20.191197+00:00"},{"alias_kind":"arxiv_version","alias_value":"2412.01828v1","created_at":"2026-07-05T09:43:20.191197+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.01828","created_at":"2026-07-05T09:43:20.191197+00:00"},{"alias_kind":"pith_short_12","alias_value":"MVH4FRCNHPS6","created_at":"2026-07-05T09:43:20.191197+00:00"},{"alias_kind":"pith_short_16","alias_value":"MVH4FRCNHPS6ZD6R","created_at":"2026-07-05T09:43:20.191197+00:00"},{"alias_kind":"pith_short_8","alias_value":"MVH4FRCN","created_at":"2026-07-05T09:43:20.191197+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.19459","citing_title":"Fireworks at Cosmic Dawn: relieving BAO-CMB tensions with the Pop III.1 Flash","ref_index":68,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MVH4FRCNHPS6ZD6R2PFNIB7DX7","json":"https://pith.science/pith/MVH4FRCNHPS6ZD6R2PFNIB7DX7.json","graph_json":"https://pith.science/api/pith-number/MVH4FRCNHPS6ZD6R2PFNIB7DX7/graph.json","events_json":"https://pith.science/api/pith-number/MVH4FRCNHPS6ZD6R2PFNIB7DX7/events.json","paper":"https://pith.science/paper/MVH4FRCN"},"agent_actions":{"view_html":"https://pith.science/pith/MVH4FRCNHPS6ZD6R2PFNIB7DX7","download_json":"https://pith.science/pith/MVH4FRCNHPS6ZD6R2PFNIB7DX7.json","view_paper":"https://pith.science/paper/MVH4FRCN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2412.01828&json=true","fetch_graph":"https://pith.science/api/pith-number/MVH4FRCNHPS6ZD6R2PFNIB7DX7/graph.json","fetch_events":"https://pith.science/api/pith-number/MVH4FRCNHPS6ZD6R2PFNIB7DX7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MVH4FRCNHPS6ZD6R2PFNIB7DX7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MVH4FRCNHPS6ZD6R2PFNIB7DX7/action/storage_attestation","attest_author":"https://pith.science/pith/MVH4FRCNHPS6ZD6R2PFNIB7DX7/action/author_attestation","sign_citation":"https://pith.science/pith/MVH4FRCNHPS6ZD6R2PFNIB7DX7/action/citation_signature","submit_replication":"https://pith.science/pith/MVH4FRCNHPS6ZD6R2PFNIB7DX7/action/replication_record"}},"created_at":"2026-07-05T09:43:20.191197+00:00","updated_at":"2026-07-05T09:43:20.191197+00:00"}