{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:QVTRX23SUZSJIBG7EB2VOIAKRK","short_pith_number":"pith:QVTRX23S","schema_version":"1.0","canonical_sha256":"85671beb72a6649404df207557200a8abe5e9b31f79607e0671750366171ed8c","source":{"kind":"arxiv","id":"2508.00774","version":2},"attestation_state":"computed","paper":{"title":"A Novel Formation Channel for Supermassive Black Hole Binaries in the Early Universe via Primordial Black Holes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Boyuan Liu, Saiyang Zhang, Volker Bromm","submitted_at":"2025-08-01T16:56:20Z","abstract_excerpt":"We present a novel formation channel for supermassive black hole (SMBH) binaries in the early Universe, driven by primordial black holes (PBHs). Using high-resolution hydrodynamical simulations, we explore the role of massive PBHs ($m_{BH} \\sim 10^6 M_\\odot$) in catalyzing the formation of direct-collapse black holes (DCBHs), providing a natural in situ pathway for binary SMBH formation. PBHs enhance local overdensities, accelerate structure formation, and exert thermal feedback on the surrounding medium via accretion. Lyman-Werner (LW) radiation from accreting PBHs suppresses H$2$ cooling, sh"},"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":"2508.00774","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-08-01T16:56:20Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"0ac268fdeb4f1a00fd753f397cc5d2b6d679883eac33143aa45404dc38defc17","abstract_canon_sha256":"87ffe17da1afaf2a8002b6ff79e63b0fe0f734996a53b4cbf60e6d1aec7377cc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:08:05.852405Z","signature_b64":"B9e9RFDvwe2FDudttfAUmHsfWjUqxPQPqmT5Nq/Z3LOi/xwDqTE6IDF4+5I5Rj7qee/4eWYHaoeJcz88Do7JCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85671beb72a6649404df207557200a8abe5e9b31f79607e0671750366171ed8c","last_reissued_at":"2026-07-05T12:08:05.851748Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:08:05.851748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Novel Formation Channel for Supermassive Black Hole Binaries in the Early Universe via Primordial Black Holes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Boyuan Liu, Saiyang Zhang, Volker Bromm","submitted_at":"2025-08-01T16:56:20Z","abstract_excerpt":"We present a novel formation channel for supermassive black hole (SMBH) binaries in the early Universe, driven by primordial black holes (PBHs). Using high-resolution hydrodynamical simulations, we explore the role of massive PBHs ($m_{BH} \\sim 10^6 M_\\odot$) in catalyzing the formation of direct-collapse black holes (DCBHs), providing a natural in situ pathway for binary SMBH formation. PBHs enhance local overdensities, accelerate structure formation, and exert thermal feedback on the surrounding medium via accretion. Lyman-Werner (LW) radiation from accreting PBHs suppresses H$2$ cooling, sh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.00774","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2508.00774/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":"2508.00774","created_at":"2026-07-05T12:08:05.851836+00:00"},{"alias_kind":"arxiv_version","alias_value":"2508.00774v2","created_at":"2026-07-05T12:08:05.851836+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.00774","created_at":"2026-07-05T12:08:05.851836+00:00"},{"alias_kind":"pith_short_12","alias_value":"QVTRX23SUZSJ","created_at":"2026-07-05T12:08:05.851836+00:00"},{"alias_kind":"pith_short_16","alias_value":"QVTRX23SUZSJIBG7","created_at":"2026-07-05T12:08:05.851836+00:00"},{"alias_kind":"pith_short_8","alias_value":"QVTRX23S","created_at":"2026-07-05T12:08:05.851836+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.05232","citing_title":"Inflation driven by repulsive-like primordial black holes","ref_index":27,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QVTRX23SUZSJIBG7EB2VOIAKRK","json":"https://pith.science/pith/QVTRX23SUZSJIBG7EB2VOIAKRK.json","graph_json":"https://pith.science/api/pith-number/QVTRX23SUZSJIBG7EB2VOIAKRK/graph.json","events_json":"https://pith.science/api/pith-number/QVTRX23SUZSJIBG7EB2VOIAKRK/events.json","paper":"https://pith.science/paper/QVTRX23S"},"agent_actions":{"view_html":"https://pith.science/pith/QVTRX23SUZSJIBG7EB2VOIAKRK","download_json":"https://pith.science/pith/QVTRX23SUZSJIBG7EB2VOIAKRK.json","view_paper":"https://pith.science/paper/QVTRX23S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2508.00774&json=true","fetch_graph":"https://pith.science/api/pith-number/QVTRX23SUZSJIBG7EB2VOIAKRK/graph.json","fetch_events":"https://pith.science/api/pith-number/QVTRX23SUZSJIBG7EB2VOIAKRK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QVTRX23SUZSJIBG7EB2VOIAKRK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QVTRX23SUZSJIBG7EB2VOIAKRK/action/storage_attestation","attest_author":"https://pith.science/pith/QVTRX23SUZSJIBG7EB2VOIAKRK/action/author_attestation","sign_citation":"https://pith.science/pith/QVTRX23SUZSJIBG7EB2VOIAKRK/action/citation_signature","submit_replication":"https://pith.science/pith/QVTRX23SUZSJIBG7EB2VOIAKRK/action/replication_record"}},"created_at":"2026-07-05T12:08:05.851836+00:00","updated_at":"2026-07-05T12:08:05.851836+00:00"}