{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:3WAQBX5GRCE6UYPSDTAOM3XH2E","short_pith_number":"pith:3WAQBX5G","schema_version":"1.0","canonical_sha256":"dd8100dfa68889ea61f21cc0e66ee7d13d9ec199fa2bbda12fc289daa2ad393a","source":{"kind":"arxiv","id":"2406.06827","version":1},"attestation_state":"computed","paper":{"title":"Predictions for a Low-mass Cutoff for the Primordial Black Hole Mass Spectrum","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"George Chapline, James Barbieri","submitted_at":"2024-06-10T22:27:09Z","abstract_excerpt":"In this note we outline how a modest violation in the conservation of mass during the merger of two PBHs affects the PBH mass spectrum that we previously obtained using a Boltzmann equation model for the evolution of the mass spectrum with no mass loss. We find that if the initial cosmological redshift is on the order 10$^{12}$, then the fraction of primordial holes with masses greater than $10^{3}$ solar masses appears be close to what is required to provide the seeds for galaxies. In addition we note that as a result of rapid collisions and strong coupling to electromagnetic radiation for te"},"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":"2406.06827","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-06-10T22:27:09Z","cross_cats_sorted":[],"title_canon_sha256":"5c274e2f780f6c8b0504c637be15b654476ba855d99467c4248f91c4ba465b90","abstract_canon_sha256":"352f628d2e39e02d716d5cb57eb090c1eac65f244dc2cae523c035aa4931b86e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:29:50.640891Z","signature_b64":"+aJ2pQdjs6v2YAsUue72iJ9DjtcP0Iw5pMfx/Tg31CrQArsflV0nEO4TLKdrCAopYFy8GB/EEn1a8XCoWMxVDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd8100dfa68889ea61f21cc0e66ee7d13d9ec199fa2bbda12fc289daa2ad393a","last_reissued_at":"2026-07-05T08:29:50.640484Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:29:50.640484Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Predictions for a Low-mass Cutoff for the Primordial Black Hole Mass Spectrum","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"George Chapline, James Barbieri","submitted_at":"2024-06-10T22:27:09Z","abstract_excerpt":"In this note we outline how a modest violation in the conservation of mass during the merger of two PBHs affects the PBH mass spectrum that we previously obtained using a Boltzmann equation model for the evolution of the mass spectrum with no mass loss. We find that if the initial cosmological redshift is on the order 10$^{12}$, then the fraction of primordial holes with masses greater than $10^{3}$ solar masses appears be close to what is required to provide the seeds for galaxies. In addition we note that as a result of rapid collisions and strong coupling to electromagnetic radiation for te"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.06827","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/2406.06827/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":"2406.06827","created_at":"2026-07-05T08:29:50.640540+00:00"},{"alias_kind":"arxiv_version","alias_value":"2406.06827v1","created_at":"2026-07-05T08:29:50.640540+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.06827","created_at":"2026-07-05T08:29:50.640540+00:00"},{"alias_kind":"pith_short_12","alias_value":"3WAQBX5GRCE6","created_at":"2026-07-05T08:29:50.640540+00:00"},{"alias_kind":"pith_short_16","alias_value":"3WAQBX5GRCE6UYPS","created_at":"2026-07-05T08:29:50.640540+00:00"},{"alias_kind":"pith_short_8","alias_value":"3WAQBX5G","created_at":"2026-07-05T08:29:50.640540+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/3WAQBX5GRCE6UYPSDTAOM3XH2E","json":"https://pith.science/pith/3WAQBX5GRCE6UYPSDTAOM3XH2E.json","graph_json":"https://pith.science/api/pith-number/3WAQBX5GRCE6UYPSDTAOM3XH2E/graph.json","events_json":"https://pith.science/api/pith-number/3WAQBX5GRCE6UYPSDTAOM3XH2E/events.json","paper":"https://pith.science/paper/3WAQBX5G"},"agent_actions":{"view_html":"https://pith.science/pith/3WAQBX5GRCE6UYPSDTAOM3XH2E","download_json":"https://pith.science/pith/3WAQBX5GRCE6UYPSDTAOM3XH2E.json","view_paper":"https://pith.science/paper/3WAQBX5G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2406.06827&json=true","fetch_graph":"https://pith.science/api/pith-number/3WAQBX5GRCE6UYPSDTAOM3XH2E/graph.json","fetch_events":"https://pith.science/api/pith-number/3WAQBX5GRCE6UYPSDTAOM3XH2E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3WAQBX5GRCE6UYPSDTAOM3XH2E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3WAQBX5GRCE6UYPSDTAOM3XH2E/action/storage_attestation","attest_author":"https://pith.science/pith/3WAQBX5GRCE6UYPSDTAOM3XH2E/action/author_attestation","sign_citation":"https://pith.science/pith/3WAQBX5GRCE6UYPSDTAOM3XH2E/action/citation_signature","submit_replication":"https://pith.science/pith/3WAQBX5GRCE6UYPSDTAOM3XH2E/action/replication_record"}},"created_at":"2026-07-05T08:29:50.640540+00:00","updated_at":"2026-07-05T08:29:50.640540+00:00"}