{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:3WHHTJLJVUTXT5NZ6EHL7Q27CM","short_pith_number":"pith:3WHHTJLJ","schema_version":"1.0","canonical_sha256":"dd8e79a569ad2779f5b9f10ebfc35f13052fa8df2a1a9cd288ac2e2e50dc00bc","source":{"kind":"arxiv","id":"1309.3566","version":1},"attestation_state":"computed","paper":{"title":"Early Disc Accretion as the Origin of Abundance Anomalies in Globular Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"H.J.G.L.M. Lamers, M. Gieles, N. Bastian, S.E. de Mink, S.N. Longmore, S.P. Goodwin","submitted_at":"2013-09-13T20:00:05Z","abstract_excerpt":"Globular clusters (GCs), once thought to be well approximated as simple stellar populations (i.e. all stars having the same age and chemical abundance), are now known to host a variety of anomalies, such as multiple discrete (or spreads in) populations in colour-magnitude diagrams and abundance variations in light elements (e.g., Na, O, Al). Multiple models have been put forward to explain the observed anomalies, although all have serious shortcomings (e.g., requiring a non-standard initial mass function of stars and GCs to have been initially 10-100 times more massive than observed today). Th"},"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":"1309.3566","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-09-13T20:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"ebe68836a7468f4415e19362af9f544685ae7764127c07f4e7c1befa3e02b08c","abstract_canon_sha256":"c749b9a86d9d95bb8c80058a55611b636f6ad3920fdc2bf25de0afa742a14c3f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:41.883963Z","signature_b64":"crziGyRBj+wCiZw5ki+EHBY+dBcDs/9W6bxwTbVU06RYyixuAczgBpo3Wt1EQBQw72NJAJGS/Zi3PrQpoCtWAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd8e79a569ad2779f5b9f10ebfc35f13052fa8df2a1a9cd288ac2e2e50dc00bc","last_reissued_at":"2026-05-18T01:47:41.883545Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:41.883545Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Early Disc Accretion as the Origin of Abundance Anomalies in Globular Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"H.J.G.L.M. Lamers, M. Gieles, N. Bastian, S.E. de Mink, S.N. Longmore, S.P. Goodwin","submitted_at":"2013-09-13T20:00:05Z","abstract_excerpt":"Globular clusters (GCs), once thought to be well approximated as simple stellar populations (i.e. all stars having the same age and chemical abundance), are now known to host a variety of anomalies, such as multiple discrete (or spreads in) populations in colour-magnitude diagrams and abundance variations in light elements (e.g., Na, O, Al). Multiple models have been put forward to explain the observed anomalies, although all have serious shortcomings (e.g., requiring a non-standard initial mass function of stars and GCs to have been initially 10-100 times more massive than observed today). Th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.3566","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":""},"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":"1309.3566","created_at":"2026-05-18T01:47:41.883613+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.3566v1","created_at":"2026-05-18T01:47:41.883613+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.3566","created_at":"2026-05-18T01:47:41.883613+00:00"},{"alias_kind":"pith_short_12","alias_value":"3WHHTJLJVUTX","created_at":"2026-05-18T12:27:32.513160+00:00"},{"alias_kind":"pith_short_16","alias_value":"3WHHTJLJVUTXT5NZ","created_at":"2026-05-18T12:27:32.513160+00:00"},{"alias_kind":"pith_short_8","alias_value":"3WHHTJLJ","created_at":"2026-05-18T12:27:32.513160+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/3WHHTJLJVUTXT5NZ6EHL7Q27CM","json":"https://pith.science/pith/3WHHTJLJVUTXT5NZ6EHL7Q27CM.json","graph_json":"https://pith.science/api/pith-number/3WHHTJLJVUTXT5NZ6EHL7Q27CM/graph.json","events_json":"https://pith.science/api/pith-number/3WHHTJLJVUTXT5NZ6EHL7Q27CM/events.json","paper":"https://pith.science/paper/3WHHTJLJ"},"agent_actions":{"view_html":"https://pith.science/pith/3WHHTJLJVUTXT5NZ6EHL7Q27CM","download_json":"https://pith.science/pith/3WHHTJLJVUTXT5NZ6EHL7Q27CM.json","view_paper":"https://pith.science/paper/3WHHTJLJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.3566&json=true","fetch_graph":"https://pith.science/api/pith-number/3WHHTJLJVUTXT5NZ6EHL7Q27CM/graph.json","fetch_events":"https://pith.science/api/pith-number/3WHHTJLJVUTXT5NZ6EHL7Q27CM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3WHHTJLJVUTXT5NZ6EHL7Q27CM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3WHHTJLJVUTXT5NZ6EHL7Q27CM/action/storage_attestation","attest_author":"https://pith.science/pith/3WHHTJLJVUTXT5NZ6EHL7Q27CM/action/author_attestation","sign_citation":"https://pith.science/pith/3WHHTJLJVUTXT5NZ6EHL7Q27CM/action/citation_signature","submit_replication":"https://pith.science/pith/3WHHTJLJVUTXT5NZ6EHL7Q27CM/action/replication_record"}},"created_at":"2026-05-18T01:47:41.883613+00:00","updated_at":"2026-05-18T01:47:41.883613+00:00"}