{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:AASATRCETQVJH6TDN6X4E5WZ2Q","short_pith_number":"pith:AASATRCE","schema_version":"1.0","canonical_sha256":"002409c4449c2a93fa636fafc276d9d431b935d1c0c6a06bf10da53281db3223","source":{"kind":"arxiv","id":"0810.3140","version":3},"attestation_state":"computed","paper":{"title":"No observational constraints from hypothetical collisions of hypothetical dark halo primordial black holes with galactic objects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Antonella Garzilli, Fredrik Johansson, Julia K. Becker, Lei Qian, Marek A. Abramowicz, Peter L. Biermann","submitted_at":"2008-10-17T12:17:21Z","abstract_excerpt":"It was suggested by several authors that hypothetical primordial black holes (PBHs) may contribute to the dark matter in our Galaxy. There are strong constraints based on the Hawking evaporation that practically exclude PBHs with masses m~1e15-1e16g and smaller as significant contributors to the Galactic dark matter. Similarly, PBHs with masses greater than about 1e26g are practically excluded by the gravitational lensing observation. The mass range between 10e16g<m<10e26g is unconstrained. In this paper, we examine possible observational signatures in the unexplored mass range, investigating "},"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":"0810.3140","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-17T12:17:21Z","cross_cats_sorted":[],"title_canon_sha256":"b3f2559621786f59866416881f3c5ea94264910363684915b297731095cba38a","abstract_canon_sha256":"27ea93629c21083c748738ea3a27d9a9864423c15ef50b1b17618b074ef00ca0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:25.905569Z","signature_b64":"ybzAdyXv8XcFr70/sUnA9yzGvS8UunnDGokQ1xafUbG/tidrdWi53TNn+99Xcl3raK5j6D9wiHNKxvnfXuiRDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"002409c4449c2a93fa636fafc276d9d431b935d1c0c6a06bf10da53281db3223","last_reissued_at":"2026-05-18T04:29:25.905149Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:25.905149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"No observational constraints from hypothetical collisions of hypothetical dark halo primordial black holes with galactic objects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Antonella Garzilli, Fredrik Johansson, Julia K. Becker, Lei Qian, Marek A. Abramowicz, Peter L. Biermann","submitted_at":"2008-10-17T12:17:21Z","abstract_excerpt":"It was suggested by several authors that hypothetical primordial black holes (PBHs) may contribute to the dark matter in our Galaxy. There are strong constraints based on the Hawking evaporation that practically exclude PBHs with masses m~1e15-1e16g and smaller as significant contributors to the Galactic dark matter. Similarly, PBHs with masses greater than about 1e26g are practically excluded by the gravitational lensing observation. The mass range between 10e16g<m<10e26g is unconstrained. In this paper, we examine possible observational signatures in the unexplored mass range, investigating "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.3140","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"0810.3140","created_at":"2026-05-18T04:29:25.905209+00:00"},{"alias_kind":"arxiv_version","alias_value":"0810.3140v3","created_at":"2026-05-18T04:29:25.905209+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.3140","created_at":"2026-05-18T04:29:25.905209+00:00"},{"alias_kind":"pith_short_12","alias_value":"AASATRCETQVJ","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_16","alias_value":"AASATRCETQVJH6TD","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_8","alias_value":"AASATRCE","created_at":"2026-05-18T12:25:56.245647+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2601.22220","citing_title":"Subsolar mass black holes from stellar collapse induced by primordial black holes","ref_index":21,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/AASATRCETQVJH6TDN6X4E5WZ2Q","json":"https://pith.science/pith/AASATRCETQVJH6TDN6X4E5WZ2Q.json","graph_json":"https://pith.science/api/pith-number/AASATRCETQVJH6TDN6X4E5WZ2Q/graph.json","events_json":"https://pith.science/api/pith-number/AASATRCETQVJH6TDN6X4E5WZ2Q/events.json","paper":"https://pith.science/paper/AASATRCE"},"agent_actions":{"view_html":"https://pith.science/pith/AASATRCETQVJH6TDN6X4E5WZ2Q","download_json":"https://pith.science/pith/AASATRCETQVJH6TDN6X4E5WZ2Q.json","view_paper":"https://pith.science/paper/AASATRCE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0810.3140&json=true","fetch_graph":"https://pith.science/api/pith-number/AASATRCETQVJH6TDN6X4E5WZ2Q/graph.json","fetch_events":"https://pith.science/api/pith-number/AASATRCETQVJH6TDN6X4E5WZ2Q/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AASATRCETQVJH6TDN6X4E5WZ2Q/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AASATRCETQVJH6TDN6X4E5WZ2Q/action/storage_attestation","attest_author":"https://pith.science/pith/AASATRCETQVJH6TDN6X4E5WZ2Q/action/author_attestation","sign_citation":"https://pith.science/pith/AASATRCETQVJH6TDN6X4E5WZ2Q/action/citation_signature","submit_replication":"https://pith.science/pith/AASATRCETQVJH6TDN6X4E5WZ2Q/action/replication_record"}},"created_at":"2026-05-18T04:29:25.905209+00:00","updated_at":"2026-05-18T04:29:25.905209+00:00"}