{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:E5SAOIEQPSYV2ACVIP7OMWOPIB","short_pith_number":"pith:E5SAOIEQ","schema_version":"1.0","canonical_sha256":"27640720907cb15d005543fee659cf4063506f4e173e32a8061a053bba588b53","source":{"kind":"arxiv","id":"2407.05109","version":1},"attestation_state":"computed","paper":{"title":"Primordial black holes from local features of the inflaton potential","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alexander Gallego Cadavid, Antonio Enea Romano","submitted_at":"2024-07-06T15:34:22Z","abstract_excerpt":"Primordial black holes (PBH) can form in the early Universe from peaks of the primordial curvature perturbations. The statistics of the peaks determines the abundance of PBHs, and is related to the amplitude of the primordial curvature spectrum. We study single field inflationary models with local features of the inflaton potential which induce a growth of curvature perturbations on super-horizon scales, which can increase the spectrum, and consequently the predicted PBHs abundance. We compute the effects of the different parameters of the features on the PBHs abundance, giving some example of"},"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":"2407.05109","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-06T15:34:22Z","cross_cats_sorted":[],"title_canon_sha256":"503bc36ae653bc01eb1ee3bba9e5c41b5bea9f2342d9bea5c6a8321d03a09b9d","abstract_canon_sha256":"0ca8ded1e20c26d3ca199eaa83c100332375864793f0c2442dbf99382a8ca3c9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:41:08.126811Z","signature_b64":"M+J4WSXqU6Ktl1V1s2PvUEN1/pasHfhADBkbnFlrkS6cLqnusC7q8W5XPaJLQ10HJuJCYjRBHXdMZcocRnu+CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27640720907cb15d005543fee659cf4063506f4e173e32a8061a053bba588b53","last_reissued_at":"2026-07-05T08:41:08.126411Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:41:08.126411Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Primordial black holes from local features of the inflaton potential","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alexander Gallego Cadavid, Antonio Enea Romano","submitted_at":"2024-07-06T15:34:22Z","abstract_excerpt":"Primordial black holes (PBH) can form in the early Universe from peaks of the primordial curvature perturbations. The statistics of the peaks determines the abundance of PBHs, and is related to the amplitude of the primordial curvature spectrum. We study single field inflationary models with local features of the inflaton potential which induce a growth of curvature perturbations on super-horizon scales, which can increase the spectrum, and consequently the predicted PBHs abundance. We compute the effects of the different parameters of the features on the PBHs abundance, giving some example of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.05109","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/2407.05109/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":"2407.05109","created_at":"2026-07-05T08:41:08.126478+00:00"},{"alias_kind":"arxiv_version","alias_value":"2407.05109v1","created_at":"2026-07-05T08:41:08.126478+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.05109","created_at":"2026-07-05T08:41:08.126478+00:00"},{"alias_kind":"pith_short_12","alias_value":"E5SAOIEQPSYV","created_at":"2026-07-05T08:41:08.126478+00:00"},{"alias_kind":"pith_short_16","alias_value":"E5SAOIEQPSYV2ACV","created_at":"2026-07-05T08:41:08.126478+00:00"},{"alias_kind":"pith_short_8","alias_value":"E5SAOIEQ","created_at":"2026-07-05T08:41:08.126478+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/E5SAOIEQPSYV2ACVIP7OMWOPIB","json":"https://pith.science/pith/E5SAOIEQPSYV2ACVIP7OMWOPIB.json","graph_json":"https://pith.science/api/pith-number/E5SAOIEQPSYV2ACVIP7OMWOPIB/graph.json","events_json":"https://pith.science/api/pith-number/E5SAOIEQPSYV2ACVIP7OMWOPIB/events.json","paper":"https://pith.science/paper/E5SAOIEQ"},"agent_actions":{"view_html":"https://pith.science/pith/E5SAOIEQPSYV2ACVIP7OMWOPIB","download_json":"https://pith.science/pith/E5SAOIEQPSYV2ACVIP7OMWOPIB.json","view_paper":"https://pith.science/paper/E5SAOIEQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2407.05109&json=true","fetch_graph":"https://pith.science/api/pith-number/E5SAOIEQPSYV2ACVIP7OMWOPIB/graph.json","fetch_events":"https://pith.science/api/pith-number/E5SAOIEQPSYV2ACVIP7OMWOPIB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/E5SAOIEQPSYV2ACVIP7OMWOPIB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/E5SAOIEQPSYV2ACVIP7OMWOPIB/action/storage_attestation","attest_author":"https://pith.science/pith/E5SAOIEQPSYV2ACVIP7OMWOPIB/action/author_attestation","sign_citation":"https://pith.science/pith/E5SAOIEQPSYV2ACVIP7OMWOPIB/action/citation_signature","submit_replication":"https://pith.science/pith/E5SAOIEQPSYV2ACVIP7OMWOPIB/action/replication_record"}},"created_at":"2026-07-05T08:41:08.126478+00:00","updated_at":"2026-07-05T08:41:08.126478+00:00"}