{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:YJPMVBTP2AV6OX3GJ3EEZTQFSC","short_pith_number":"pith:YJPMVBTP","schema_version":"1.0","canonical_sha256":"c25eca866fd02be75f664ec84cce0590ac5bad85c4ac8f08d4332e55fe85bbbc","source":{"kind":"arxiv","id":"2205.14722","version":1},"attestation_state":"computed","paper":{"title":"Constraints on PBH as dark matter from observations: a review","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Marc Oncins","submitted_at":"2022-05-29T17:23:59Z","abstract_excerpt":"Primordial black holes (PBHs) are a fascinating candidate for being the dark matter, albeit one which has been heavily constrained. This review presents an in depth look at those observational constraints, particularly at their nuances and uncertainties. Despite their varied origins, the standard PBH formation path is assumed to be collapse of perturbations after inflation, which should leave signals visible in the CMB at certain scales. Other constraints come from microlensing surveys, which severely limit PBHs as dark matter in the solar to satellite range, but there are diminishing results "},"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":"2205.14722","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-05-29T17:23:59Z","cross_cats_sorted":[],"title_canon_sha256":"4c7a0c1fff36f5164beb933d9d87158ebb07b320af155bcca6d71e9901ce4ab8","abstract_canon_sha256":"f7854a2ad577da97932714e95ced042bdd61262edc7ce5441127861c44c08fc7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:27:20.687275Z","signature_b64":"9F7DMkMrsvnV7LVSxBP1webAbAesmky4dLWweBkvsndwNl3vMxkVYJnEJLJAM5R7f6f9dNl84nrG/Hv9Jl+hAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c25eca866fd02be75f664ec84cce0590ac5bad85c4ac8f08d4332e55fe85bbbc","last_reissued_at":"2026-07-05T04:27:20.686891Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:27:20.686891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraints on PBH as dark matter from observations: a review","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Marc Oncins","submitted_at":"2022-05-29T17:23:59Z","abstract_excerpt":"Primordial black holes (PBHs) are a fascinating candidate for being the dark matter, albeit one which has been heavily constrained. This review presents an in depth look at those observational constraints, particularly at their nuances and uncertainties. Despite their varied origins, the standard PBH formation path is assumed to be collapse of perturbations after inflation, which should leave signals visible in the CMB at certain scales. Other constraints come from microlensing surveys, which severely limit PBHs as dark matter in the solar to satellite range, but there are diminishing results "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.14722","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/2205.14722/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":"2205.14722","created_at":"2026-07-05T04:27:20.686948+00:00"},{"alias_kind":"arxiv_version","alias_value":"2205.14722v1","created_at":"2026-07-05T04:27:20.686948+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.14722","created_at":"2026-07-05T04:27:20.686948+00:00"},{"alias_kind":"pith_short_12","alias_value":"YJPMVBTP2AV6","created_at":"2026-07-05T04:27:20.686948+00:00"},{"alias_kind":"pith_short_16","alias_value":"YJPMVBTP2AV6OX3G","created_at":"2026-07-05T04:27:20.686948+00:00"},{"alias_kind":"pith_short_8","alias_value":"YJPMVBTP","created_at":"2026-07-05T04:27:20.686948+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2512.07284","citing_title":"Evaporation of Primordial Black Holes in a Thermal Universe: A Thermofield Dynamics Approach","ref_index":53,"is_internal_anchor":false},{"citing_arxiv_id":"2601.18079","citing_title":"Vanishing Compactness Gap and Fermionic Compact Dark Matter in Ho\\v{r}ava-Lifshitz Gravity","ref_index":41,"is_internal_anchor":false},{"citing_arxiv_id":"2604.22731","citing_title":"Precision Analysis for $\\boldsymbol{H_0}$ Using Upcoming Multi-band Gravitational Wave Observations","ref_index":69,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YJPMVBTP2AV6OX3GJ3EEZTQFSC","json":"https://pith.science/pith/YJPMVBTP2AV6OX3GJ3EEZTQFSC.json","graph_json":"https://pith.science/api/pith-number/YJPMVBTP2AV6OX3GJ3EEZTQFSC/graph.json","events_json":"https://pith.science/api/pith-number/YJPMVBTP2AV6OX3GJ3EEZTQFSC/events.json","paper":"https://pith.science/paper/YJPMVBTP"},"agent_actions":{"view_html":"https://pith.science/pith/YJPMVBTP2AV6OX3GJ3EEZTQFSC","download_json":"https://pith.science/pith/YJPMVBTP2AV6OX3GJ3EEZTQFSC.json","view_paper":"https://pith.science/paper/YJPMVBTP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2205.14722&json=true","fetch_graph":"https://pith.science/api/pith-number/YJPMVBTP2AV6OX3GJ3EEZTQFSC/graph.json","fetch_events":"https://pith.science/api/pith-number/YJPMVBTP2AV6OX3GJ3EEZTQFSC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YJPMVBTP2AV6OX3GJ3EEZTQFSC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YJPMVBTP2AV6OX3GJ3EEZTQFSC/action/storage_attestation","attest_author":"https://pith.science/pith/YJPMVBTP2AV6OX3GJ3EEZTQFSC/action/author_attestation","sign_citation":"https://pith.science/pith/YJPMVBTP2AV6OX3GJ3EEZTQFSC/action/citation_signature","submit_replication":"https://pith.science/pith/YJPMVBTP2AV6OX3GJ3EEZTQFSC/action/replication_record"}},"created_at":"2026-07-05T04:27:20.686948+00:00","updated_at":"2026-07-05T04:27:20.686948+00:00"}