{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:YIWHFUKCKUQDESGN5L7VTHIRDT","short_pith_number":"pith:YIWHFUKC","schema_version":"1.0","canonical_sha256":"c22c72d14255203248cdeaff599d111cf128670d3ec4338f39b2d0cf57083ae9","source":{"kind":"arxiv","id":"1006.1508","version":2},"attestation_state":"computed","paper":{"title":"Gravitational fragmentation in turbulent primordial gas and the initial mass function of Population III stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Paul C. Clark, Ralf S. Klessen, Simon C.O. Glover, Volker Bromm","submitted_at":"2010-06-08T09:49:35Z","abstract_excerpt":"We report results from numerical simulations of star formation in the early universe that focus on the dynamical behavior of metal-free gas under different initial and environmental conditions. In particular we investigate the role of turbulence, which is thought to ubiquitously accompany the collapse of high-redshift halos. We distinguish between two main cases: the birth of Population III.1 stars - those which form in the pristine halos unaffected by prior star formation - and the formation of Population III.2 stars - those forming in halos where the gas is still metal free but has an increa"},"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":"1006.1508","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-06-08T09:49:35Z","cross_cats_sorted":[],"title_canon_sha256":"8dde2f2126027c434f2f0844a76f83d994f1a4a0e68a090b0e16cc0cd5c34b92","abstract_canon_sha256":"daee89b7f8111e1a2e13744c0ef6193dddfa0350b67898fc9e830af9846b15cc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:56.197379Z","signature_b64":"axtXYLHhBpedsRzQL8oQouV5rKflSPFDv3BU71YNxT7pjZCU6X2aEVRWlq68BF5BssFz18oCux7BHD8mcrAxBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c22c72d14255203248cdeaff599d111cf128670d3ec4338f39b2d0cf57083ae9","last_reissued_at":"2026-05-18T02:06:56.196624Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:56.196624Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gravitational fragmentation in turbulent primordial gas and the initial mass function of Population III stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Paul C. Clark, Ralf S. Klessen, Simon C.O. Glover, Volker Bromm","submitted_at":"2010-06-08T09:49:35Z","abstract_excerpt":"We report results from numerical simulations of star formation in the early universe that focus on the dynamical behavior of metal-free gas under different initial and environmental conditions. In particular we investigate the role of turbulence, which is thought to ubiquitously accompany the collapse of high-redshift halos. We distinguish between two main cases: the birth of Population III.1 stars - those which form in the pristine halos unaffected by prior star formation - and the formation of Population III.2 stars - those forming in halos where the gas is still metal free but has an increa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.1508","kind":"arxiv","version":2},"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":"1006.1508","created_at":"2026-05-18T02:06:56.196745+00:00"},{"alias_kind":"arxiv_version","alias_value":"1006.1508v2","created_at":"2026-05-18T02:06:56.196745+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.1508","created_at":"2026-05-18T02:06:56.196745+00:00"},{"alias_kind":"pith_short_12","alias_value":"YIWHFUKCKUQD","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_16","alias_value":"YIWHFUKCKUQDESGN","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_8","alias_value":"YIWHFUKC","created_at":"2026-05-18T12:26:17.028572+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/YIWHFUKCKUQDESGN5L7VTHIRDT","json":"https://pith.science/pith/YIWHFUKCKUQDESGN5L7VTHIRDT.json","graph_json":"https://pith.science/api/pith-number/YIWHFUKCKUQDESGN5L7VTHIRDT/graph.json","events_json":"https://pith.science/api/pith-number/YIWHFUKCKUQDESGN5L7VTHIRDT/events.json","paper":"https://pith.science/paper/YIWHFUKC"},"agent_actions":{"view_html":"https://pith.science/pith/YIWHFUKCKUQDESGN5L7VTHIRDT","download_json":"https://pith.science/pith/YIWHFUKCKUQDESGN5L7VTHIRDT.json","view_paper":"https://pith.science/paper/YIWHFUKC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1006.1508&json=true","fetch_graph":"https://pith.science/api/pith-number/YIWHFUKCKUQDESGN5L7VTHIRDT/graph.json","fetch_events":"https://pith.science/api/pith-number/YIWHFUKCKUQDESGN5L7VTHIRDT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YIWHFUKCKUQDESGN5L7VTHIRDT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YIWHFUKCKUQDESGN5L7VTHIRDT/action/storage_attestation","attest_author":"https://pith.science/pith/YIWHFUKCKUQDESGN5L7VTHIRDT/action/author_attestation","sign_citation":"https://pith.science/pith/YIWHFUKCKUQDESGN5L7VTHIRDT/action/citation_signature","submit_replication":"https://pith.science/pith/YIWHFUKCKUQDESGN5L7VTHIRDT/action/replication_record"}},"created_at":"2026-05-18T02:06:56.196745+00:00","updated_at":"2026-05-18T02:06:56.196745+00:00"}