{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:YMAYMWIVXRMVCCP46KEFU2MQKU","short_pith_number":"pith:YMAYMWIV","schema_version":"1.0","canonical_sha256":"c301865915bc595109fcf2885a6990550024bfaadca253b3b7ab7e050cfe1672","source":{"kind":"arxiv","id":"1108.0645","version":1},"attestation_state":"computed","paper":{"title":"Sirius A: turbulence or mass loss?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"G. Michaud, J. Richer, M. Vick","submitted_at":"2011-08-02T19:13:34Z","abstract_excerpt":"Context. Abundance anomalies observed in a fraction of A and B stars of both Pop I and II are apparently related to internal particle transport. Aims. Using available constraints from Sirius A, we wish to determine how well evolutionary models including atomic diffusion can explain observed abundance anomalies when either turbulence or mass loss is used as the main competitor to atomic diffusion. Methods. Complete stellar evolution models, including the effects of atomic diffusion and radiative accelerations, have been computed from the zero age main-sequence of 2.1M\\odot stars for metalliciti"},"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":"1108.0645","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-08-02T19:13:34Z","cross_cats_sorted":[],"title_canon_sha256":"b8c95c76361ae68259bf5c4c57b0621c7e6a23b984f4fb7cb497b215e937ce4f","abstract_canon_sha256":"e708775f65637e4dce4079aff12816236803330a2deadea17d6dcbd2c54d2b77"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:04.109395Z","signature_b64":"3gngTpXili+SG4eYMULFEOTEjMfdsYmOa7OVgtinw3ClkiSgDR4T7Bi/K61tcEV1qqZ9vM4bVjNmndA3nawzCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c301865915bc595109fcf2885a6990550024bfaadca253b3b7ab7e050cfe1672","last_reissued_at":"2026-05-18T02:01:04.108865Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:04.108865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sirius A: turbulence or mass loss?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"G. Michaud, J. Richer, M. Vick","submitted_at":"2011-08-02T19:13:34Z","abstract_excerpt":"Context. Abundance anomalies observed in a fraction of A and B stars of both Pop I and II are apparently related to internal particle transport. Aims. Using available constraints from Sirius A, we wish to determine how well evolutionary models including atomic diffusion can explain observed abundance anomalies when either turbulence or mass loss is used as the main competitor to atomic diffusion. Methods. Complete stellar evolution models, including the effects of atomic diffusion and radiative accelerations, have been computed from the zero age main-sequence of 2.1M\\odot stars for metalliciti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0645","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":"1108.0645","created_at":"2026-05-18T02:01:04.108950+00:00"},{"alias_kind":"arxiv_version","alias_value":"1108.0645v1","created_at":"2026-05-18T02:01:04.108950+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0645","created_at":"2026-05-18T02:01:04.108950+00:00"},{"alias_kind":"pith_short_12","alias_value":"YMAYMWIVXRMV","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_16","alias_value":"YMAYMWIVXRMVCCP4","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_8","alias_value":"YMAYMWIV","created_at":"2026-05-18T12:26:47.523578+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/YMAYMWIVXRMVCCP46KEFU2MQKU","json":"https://pith.science/pith/YMAYMWIVXRMVCCP46KEFU2MQKU.json","graph_json":"https://pith.science/api/pith-number/YMAYMWIVXRMVCCP46KEFU2MQKU/graph.json","events_json":"https://pith.science/api/pith-number/YMAYMWIVXRMVCCP46KEFU2MQKU/events.json","paper":"https://pith.science/paper/YMAYMWIV"},"agent_actions":{"view_html":"https://pith.science/pith/YMAYMWIVXRMVCCP46KEFU2MQKU","download_json":"https://pith.science/pith/YMAYMWIVXRMVCCP46KEFU2MQKU.json","view_paper":"https://pith.science/paper/YMAYMWIV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1108.0645&json=true","fetch_graph":"https://pith.science/api/pith-number/YMAYMWIVXRMVCCP46KEFU2MQKU/graph.json","fetch_events":"https://pith.science/api/pith-number/YMAYMWIVXRMVCCP46KEFU2MQKU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YMAYMWIVXRMVCCP46KEFU2MQKU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YMAYMWIVXRMVCCP46KEFU2MQKU/action/storage_attestation","attest_author":"https://pith.science/pith/YMAYMWIVXRMVCCP46KEFU2MQKU/action/author_attestation","sign_citation":"https://pith.science/pith/YMAYMWIVXRMVCCP46KEFU2MQKU/action/citation_signature","submit_replication":"https://pith.science/pith/YMAYMWIVXRMVCCP46KEFU2MQKU/action/replication_record"}},"created_at":"2026-05-18T02:01:04.108950+00:00","updated_at":"2026-05-18T02:01:04.108950+00:00"}