{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:GNGLSPL7TUXBY4DAU5GUDWAS24","short_pith_number":"pith:GNGLSPL7","schema_version":"1.0","canonical_sha256":"334cb93d7f9d2e1c7060a74d41d812d70542ecd45fe512893f5e61d6570d753f","source":{"kind":"arxiv","id":"1312.5326","version":4},"attestation_state":"computed","paper":{"title":"The Origin and Universality of the Stellar Initial Mass Function","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Anthony P. Whitworth, Estelle Moraux, Matthew R. Bate, Nathan Bastian, Patrick Hennebelle, Paul C. Clark, Philip F. Hopkins, Stella S. R. Offner","submitted_at":"2013-12-18T21:00:11Z","abstract_excerpt":"We review current theories for the origin of the Stellar Initial Mass Function (IMF) with particular focus on the extent to which the IMF can be considered universal across various environments. To place the issue in an observational context, we summarize the techniques used to determine the IMF for different stellar populations, the uncertainties affecting the results, and the evidence for systematic departures from universality under extreme circumstances. We next consider theories for the formation of prestellar cores by turbulent fragmentation and the possible impact of various thermal, hy"},"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":"1312.5326","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-12-18T21:00:11Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"303bb1d1dd95a30a3ee8602163a7d4fb72f9fb9939edd1870dbe008f8bc9fa7d","abstract_canon_sha256":"85ef7e5945d2d35408dd754e12113a700c12e15d67e9a69a1a622524b4f4d256"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:44.347085Z","signature_b64":"8nv1LQd6gS9gZ4Ru/nzAHu/uRs7i/7hH3eSfYDhDaiIGls4AGLHzjOau8f6vh6MvA0FzH1l4pN4qqPR8sqHAAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"334cb93d7f9d2e1c7060a74d41d812d70542ecd45fe512893f5e61d6570d753f","last_reissued_at":"2026-05-18T01:45:44.346514Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:44.346514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Origin and Universality of the Stellar Initial Mass Function","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Anthony P. Whitworth, Estelle Moraux, Matthew R. Bate, Nathan Bastian, Patrick Hennebelle, Paul C. Clark, Philip F. Hopkins, Stella S. R. Offner","submitted_at":"2013-12-18T21:00:11Z","abstract_excerpt":"We review current theories for the origin of the Stellar Initial Mass Function (IMF) with particular focus on the extent to which the IMF can be considered universal across various environments. To place the issue in an observational context, we summarize the techniques used to determine the IMF for different stellar populations, the uncertainties affecting the results, and the evidence for systematic departures from universality under extreme circumstances. We next consider theories for the formation of prestellar cores by turbulent fragmentation and the possible impact of various thermal, hy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.5326","kind":"arxiv","version":4},"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":"1312.5326","created_at":"2026-05-18T01:45:44.346621+00:00"},{"alias_kind":"arxiv_version","alias_value":"1312.5326v4","created_at":"2026-05-18T01:45:44.346621+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.5326","created_at":"2026-05-18T01:45:44.346621+00:00"},{"alias_kind":"pith_short_12","alias_value":"GNGLSPL7TUXB","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_16","alias_value":"GNGLSPL7TUXBY4DA","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_8","alias_value":"GNGLSPL7","created_at":"2026-05-18T12:27:45.050594+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2604.14093","citing_title":"A Salpeter-like filament linear density function across nearby molecular clouds","ref_index":6,"is_internal_anchor":true},{"citing_arxiv_id":"2605.16657","citing_title":"The bound origin of low-mass stellar binaries","ref_index":6,"is_internal_anchor":true},{"citing_arxiv_id":"2604.19878","citing_title":"The fragmentation properties of massive star-forming regions in 30Dor-10 at 2000 au resolution","ref_index":30,"is_internal_anchor":false},{"citing_arxiv_id":"2604.14093","citing_title":"A Salpeter-like filament linear density function across nearby molecular clouds","ref_index":6,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GNGLSPL7TUXBY4DAU5GUDWAS24","json":"https://pith.science/pith/GNGLSPL7TUXBY4DAU5GUDWAS24.json","graph_json":"https://pith.science/api/pith-number/GNGLSPL7TUXBY4DAU5GUDWAS24/graph.json","events_json":"https://pith.science/api/pith-number/GNGLSPL7TUXBY4DAU5GUDWAS24/events.json","paper":"https://pith.science/paper/GNGLSPL7"},"agent_actions":{"view_html":"https://pith.science/pith/GNGLSPL7TUXBY4DAU5GUDWAS24","download_json":"https://pith.science/pith/GNGLSPL7TUXBY4DAU5GUDWAS24.json","view_paper":"https://pith.science/paper/GNGLSPL7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1312.5326&json=true","fetch_graph":"https://pith.science/api/pith-number/GNGLSPL7TUXBY4DAU5GUDWAS24/graph.json","fetch_events":"https://pith.science/api/pith-number/GNGLSPL7TUXBY4DAU5GUDWAS24/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GNGLSPL7TUXBY4DAU5GUDWAS24/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GNGLSPL7TUXBY4DAU5GUDWAS24/action/storage_attestation","attest_author":"https://pith.science/pith/GNGLSPL7TUXBY4DAU5GUDWAS24/action/author_attestation","sign_citation":"https://pith.science/pith/GNGLSPL7TUXBY4DAU5GUDWAS24/action/citation_signature","submit_replication":"https://pith.science/pith/GNGLSPL7TUXBY4DAU5GUDWAS24/action/replication_record"}},"created_at":"2026-05-18T01:45:44.346621+00:00","updated_at":"2026-05-18T01:45:44.346621+00:00"}