{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:IUZPJ4ANL2LZITNTQPNZ644GGF","short_pith_number":"pith:IUZPJ4AN","schema_version":"1.0","canonical_sha256":"4532f4f00d5e97944db383db9f7386314372a36af6116a44dffcfc696aadb7c9","source":{"kind":"arxiv","id":"1605.00295","version":1},"attestation_state":"computed","paper":{"title":"Chemical history of isolated dwarf galaxies of the Local Group: I. dSphs: Cetus and Tucana","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"L. Carigi, N. Avila-Vergara, R. Durazo, S.L. Hidalgo","submitted_at":"2016-05-01T19:28:13Z","abstract_excerpt":"For the first time, we obtain chemical evolution models (CEMs) for Tucana and Cetus, two isolated dwarf spheroidal galaxies (dSphs) of the Local Group. The CEMs have been built from the star formation histories (SFHs) and the metallicity histories, both obtained independently by the LCID project from deep color-magnitude dia- grams. Based on our models, we find that the chemical histories were complex and can be divided into different epochs and scenarios. In particular, during 75 percent of the SFH, the galaxies behaved as closed boxes and, during the remaining 25 percent, either received a l"},"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":"1605.00295","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-01T19:28:13Z","cross_cats_sorted":[],"title_canon_sha256":"fbaed9fd924b4d54fc09ea77a1984d61c89d66b737689bd5e3c5ebdaa5116fa1","abstract_canon_sha256":"9f90c6aa5d7fb0c5f200fb9985b59df146e41136387d37525db32c12e18ddc0a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:13.431645Z","signature_b64":"Qm8WuxcMtPHnCXjQT/ie19S+0uGsKJ41bviGu0tdGYoFOvl4Jz8deTWIqPtQ0PGVAtEYDedpQC8qdHA9BlOGAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4532f4f00d5e97944db383db9f7386314372a36af6116a44dffcfc696aadb7c9","last_reissued_at":"2026-05-18T01:15:13.430998Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:13.430998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Chemical history of isolated dwarf galaxies of the Local Group: I. dSphs: Cetus and Tucana","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"L. Carigi, N. Avila-Vergara, R. Durazo, S.L. Hidalgo","submitted_at":"2016-05-01T19:28:13Z","abstract_excerpt":"For the first time, we obtain chemical evolution models (CEMs) for Tucana and Cetus, two isolated dwarf spheroidal galaxies (dSphs) of the Local Group. The CEMs have been built from the star formation histories (SFHs) and the metallicity histories, both obtained independently by the LCID project from deep color-magnitude dia- grams. Based on our models, we find that the chemical histories were complex and can be divided into different epochs and scenarios. In particular, during 75 percent of the SFH, the galaxies behaved as closed boxes and, during the remaining 25 percent, either received a l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.00295","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":"1605.00295","created_at":"2026-05-18T01:15:13.431116+00:00"},{"alias_kind":"arxiv_version","alias_value":"1605.00295v1","created_at":"2026-05-18T01:15:13.431116+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.00295","created_at":"2026-05-18T01:15:13.431116+00:00"},{"alias_kind":"pith_short_12","alias_value":"IUZPJ4ANL2LZ","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_16","alias_value":"IUZPJ4ANL2LZITNT","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_8","alias_value":"IUZPJ4AN","created_at":"2026-05-18T12:30:22.444734+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/IUZPJ4ANL2LZITNTQPNZ644GGF","json":"https://pith.science/pith/IUZPJ4ANL2LZITNTQPNZ644GGF.json","graph_json":"https://pith.science/api/pith-number/IUZPJ4ANL2LZITNTQPNZ644GGF/graph.json","events_json":"https://pith.science/api/pith-number/IUZPJ4ANL2LZITNTQPNZ644GGF/events.json","paper":"https://pith.science/paper/IUZPJ4AN"},"agent_actions":{"view_html":"https://pith.science/pith/IUZPJ4ANL2LZITNTQPNZ644GGF","download_json":"https://pith.science/pith/IUZPJ4ANL2LZITNTQPNZ644GGF.json","view_paper":"https://pith.science/paper/IUZPJ4AN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1605.00295&json=true","fetch_graph":"https://pith.science/api/pith-number/IUZPJ4ANL2LZITNTQPNZ644GGF/graph.json","fetch_events":"https://pith.science/api/pith-number/IUZPJ4ANL2LZITNTQPNZ644GGF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IUZPJ4ANL2LZITNTQPNZ644GGF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IUZPJ4ANL2LZITNTQPNZ644GGF/action/storage_attestation","attest_author":"https://pith.science/pith/IUZPJ4ANL2LZITNTQPNZ644GGF/action/author_attestation","sign_citation":"https://pith.science/pith/IUZPJ4ANL2LZITNTQPNZ644GGF/action/citation_signature","submit_replication":"https://pith.science/pith/IUZPJ4ANL2LZITNTQPNZ644GGF/action/replication_record"}},"created_at":"2026-05-18T01:15:13.431116+00:00","updated_at":"2026-05-18T01:15:13.431116+00:00"}