{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:T6CYEXSCJO42NDUA2NVZPKAI6M","short_pith_number":"pith:T6CYEXSC","schema_version":"1.0","canonical_sha256":"9f85825e424bb9a68e80d36b97a808f3031c5640998485c0d6d7b294cf31957b","source":{"kind":"arxiv","id":"2409.06494","version":1},"attestation_state":"computed","paper":{"title":"Spin of Primordial Black Holes from Broad Power Spectrum: Radiation Dominated Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Indra Kumar Banerjee, Tomohiro Harada","submitted_at":"2024-09-10T13:19:44Z","abstract_excerpt":"We perform a study to obtain the initial spin or the nondimensional Kerr parameter $a_{*}$ of primordial black holes (PBHs) created during the radiation dominated phase of the universe from not only nearly monochromatic but also broad curvature power spectra. Motivated by inflation and first-order phase transitions, we consider a power law shape for the curvature perturbation. Although we can naturally neglect the contribution from the length scales smaller than the scale of interest, that from the larger scales may potentially be significant for a broad power spectrum, for which the spin is s"},"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":"2409.06494","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-09-10T13:19:44Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"17819a648bc10f1075f8dc11ffe92a621e5668d03fe54e35a568f71b7d4fca18","abstract_canon_sha256":"d25c9d0a82e1009262c5c7275f5b7e1486640bc65064ef86e1fa1de9646c2350"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:05:25.403627Z","signature_b64":"Qrq5Du7Y+840l+nXJu2PvyrxMRzFkDsGm1YUkxT/H1Okj3DBr3nRAlfh+T3JStaDfMrFZUyS3DMrhNREN/iRBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f85825e424bb9a68e80d36b97a808f3031c5640998485c0d6d7b294cf31957b","last_reissued_at":"2026-07-05T09:05:25.403056Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:05:25.403056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spin of Primordial Black Holes from Broad Power Spectrum: Radiation Dominated Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Indra Kumar Banerjee, Tomohiro Harada","submitted_at":"2024-09-10T13:19:44Z","abstract_excerpt":"We perform a study to obtain the initial spin or the nondimensional Kerr parameter $a_{*}$ of primordial black holes (PBHs) created during the radiation dominated phase of the universe from not only nearly monochromatic but also broad curvature power spectra. Motivated by inflation and first-order phase transitions, we consider a power law shape for the curvature perturbation. Although we can naturally neglect the contribution from the length scales smaller than the scale of interest, that from the larger scales may potentially be significant for a broad power spectrum, for which the spin is s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.06494","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/2409.06494/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":"2409.06494","created_at":"2026-07-05T09:05:25.403114+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.06494v1","created_at":"2026-07-05T09:05:25.403114+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.06494","created_at":"2026-07-05T09:05:25.403114+00:00"},{"alias_kind":"pith_short_12","alias_value":"T6CYEXSCJO42","created_at":"2026-07-05T09:05:25.403114+00:00"},{"alias_kind":"pith_short_16","alias_value":"T6CYEXSCJO42NDUA","created_at":"2026-07-05T09:05:25.403114+00:00"},{"alias_kind":"pith_short_8","alias_value":"T6CYEXSC","created_at":"2026-07-05T09:05:25.403114+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2502.03588","citing_title":"Complementary Probes of Warped Extra Dimension: Colliders, Gravitational Waves and Primordial Black Holes from Phase Transitions","ref_index":174,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/T6CYEXSCJO42NDUA2NVZPKAI6M","json":"https://pith.science/pith/T6CYEXSCJO42NDUA2NVZPKAI6M.json","graph_json":"https://pith.science/api/pith-number/T6CYEXSCJO42NDUA2NVZPKAI6M/graph.json","events_json":"https://pith.science/api/pith-number/T6CYEXSCJO42NDUA2NVZPKAI6M/events.json","paper":"https://pith.science/paper/T6CYEXSC"},"agent_actions":{"view_html":"https://pith.science/pith/T6CYEXSCJO42NDUA2NVZPKAI6M","download_json":"https://pith.science/pith/T6CYEXSCJO42NDUA2NVZPKAI6M.json","view_paper":"https://pith.science/paper/T6CYEXSC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.06494&json=true","fetch_graph":"https://pith.science/api/pith-number/T6CYEXSCJO42NDUA2NVZPKAI6M/graph.json","fetch_events":"https://pith.science/api/pith-number/T6CYEXSCJO42NDUA2NVZPKAI6M/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/T6CYEXSCJO42NDUA2NVZPKAI6M/action/timestamp_anchor","attest_storage":"https://pith.science/pith/T6CYEXSCJO42NDUA2NVZPKAI6M/action/storage_attestation","attest_author":"https://pith.science/pith/T6CYEXSCJO42NDUA2NVZPKAI6M/action/author_attestation","sign_citation":"https://pith.science/pith/T6CYEXSCJO42NDUA2NVZPKAI6M/action/citation_signature","submit_replication":"https://pith.science/pith/T6CYEXSCJO42NDUA2NVZPKAI6M/action/replication_record"}},"created_at":"2026-07-05T09:05:25.403114+00:00","updated_at":"2026-07-05T09:05:25.403114+00:00"}