{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:ISGWD2MTHW7VOGKWIF4GF7B4DT","short_pith_number":"pith:ISGWD2MT","schema_version":"1.0","canonical_sha256":"448d61e9933dbf571956417862fc3c1cf36eab393ab30cb782bed62b1f96e2fa","source":{"kind":"arxiv","id":"1511.05714","version":1},"attestation_state":"computed","paper":{"title":"Clear evidence for the presence of second-generation asymptotic giant branch stars in metal-poor Galactic globular clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"D. A. Garcia-Hernandez, M. Monelli, M. Shetrone, O. Zamora, P. B. Stetson, S. Cassisi, S. Lucatello, Sz. Meszaros","submitted_at":"2015-11-18T09:58:48Z","abstract_excerpt":"Galactic globular clusters (GCs) are known to host multiple stellar populations: a first generation with a chemical pattern typical of halo field stars and a second generation (SG) enriched in Na and Al and depleted in O and Mg. Both stellar generations are found at different evolutionary stages (e.g., the main-sequence turnoff, the subgiant branch, and the red giant branch). The non detection of SG asymptotic giant branch (AGB) stars in several metal-poor ([Fe/H] < -1) GCs suggests that not all SG stars ascend the AGB phase, and that failed AGB stars may be very common in metal-poor GCs. This"},"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":"1511.05714","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-11-18T09:58:48Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"a5accb99facc7d0f7babd5f728a377de4a51b48740519db11536fc1977d1dc94","abstract_canon_sha256":"f3196e2a0501aa1b86daed990958b2475aa6531e58c2c083b7e9468bd8d29a90"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:45.495248Z","signature_b64":"D/o7ZMq2oqjVPj08V/YovkZGdG5enhO1TI7LaW1ABRisfknNNRFoc6aaZyJEFXiqwhUmDNrWWz+ydT9ea6xCDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"448d61e9933dbf571956417862fc3c1cf36eab393ab30cb782bed62b1f96e2fa","last_reissued_at":"2026-05-18T01:24:45.494757Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:45.494757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Clear evidence for the presence of second-generation asymptotic giant branch stars in metal-poor Galactic globular clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"D. A. Garcia-Hernandez, M. Monelli, M. Shetrone, O. Zamora, P. B. Stetson, S. Cassisi, S. Lucatello, Sz. Meszaros","submitted_at":"2015-11-18T09:58:48Z","abstract_excerpt":"Galactic globular clusters (GCs) are known to host multiple stellar populations: a first generation with a chemical pattern typical of halo field stars and a second generation (SG) enriched in Na and Al and depleted in O and Mg. Both stellar generations are found at different evolutionary stages (e.g., the main-sequence turnoff, the subgiant branch, and the red giant branch). The non detection of SG asymptotic giant branch (AGB) stars in several metal-poor ([Fe/H] < -1) GCs suggests that not all SG stars ascend the AGB phase, and that failed AGB stars may be very common in metal-poor GCs. This"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.05714","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":"1511.05714","created_at":"2026-05-18T01:24:45.494833+00:00"},{"alias_kind":"arxiv_version","alias_value":"1511.05714v1","created_at":"2026-05-18T01:24:45.494833+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.05714","created_at":"2026-05-18T01:24:45.494833+00:00"},{"alias_kind":"pith_short_12","alias_value":"ISGWD2MTHW7V","created_at":"2026-05-18T12:29:25.134429+00:00"},{"alias_kind":"pith_short_16","alias_value":"ISGWD2MTHW7VOGKW","created_at":"2026-05-18T12:29:25.134429+00:00"},{"alias_kind":"pith_short_8","alias_value":"ISGWD2MT","created_at":"2026-05-18T12:29:25.134429+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/ISGWD2MTHW7VOGKWIF4GF7B4DT","json":"https://pith.science/pith/ISGWD2MTHW7VOGKWIF4GF7B4DT.json","graph_json":"https://pith.science/api/pith-number/ISGWD2MTHW7VOGKWIF4GF7B4DT/graph.json","events_json":"https://pith.science/api/pith-number/ISGWD2MTHW7VOGKWIF4GF7B4DT/events.json","paper":"https://pith.science/paper/ISGWD2MT"},"agent_actions":{"view_html":"https://pith.science/pith/ISGWD2MTHW7VOGKWIF4GF7B4DT","download_json":"https://pith.science/pith/ISGWD2MTHW7VOGKWIF4GF7B4DT.json","view_paper":"https://pith.science/paper/ISGWD2MT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1511.05714&json=true","fetch_graph":"https://pith.science/api/pith-number/ISGWD2MTHW7VOGKWIF4GF7B4DT/graph.json","fetch_events":"https://pith.science/api/pith-number/ISGWD2MTHW7VOGKWIF4GF7B4DT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ISGWD2MTHW7VOGKWIF4GF7B4DT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ISGWD2MTHW7VOGKWIF4GF7B4DT/action/storage_attestation","attest_author":"https://pith.science/pith/ISGWD2MTHW7VOGKWIF4GF7B4DT/action/author_attestation","sign_citation":"https://pith.science/pith/ISGWD2MTHW7VOGKWIF4GF7B4DT/action/citation_signature","submit_replication":"https://pith.science/pith/ISGWD2MTHW7VOGKWIF4GF7B4DT/action/replication_record"}},"created_at":"2026-05-18T01:24:45.494833+00:00","updated_at":"2026-05-18T01:24:45.494833+00:00"}