{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:OIMF5LX7SYLAJDQIWJL4DNIZSX","short_pith_number":"pith:OIMF5LX7","schema_version":"1.0","canonical_sha256":"72185eaeff9616048e08b257c1b51995f4a7aac3a37bf04eed2c41263aec1d18","source":{"kind":"arxiv","id":"1702.03421","version":1},"attestation_state":"computed","paper":{"title":"The age of 47Tuc from self-consistent isochrone fits to colour-magnitude diagrams and the eclipsing member V69","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. P. Milone, A. Thygesen, D. A. VandenBerg, F. Grundahl, K. Brogaard, L. R. Bedin","submitted_at":"2017-02-11T12:43:12Z","abstract_excerpt":"Our aim is to derive a self-consistent age, distance and composition for the globular cluster $47\\,$Tucanae ($47\\,$Tuc; NGC104). First, we reevaluate the reddening towards the cluster resulting in a nominal $E(B-V)=0.03\\pm0.01$ as the best estimate. The $T_{\\rm eff}$ of the components of the eclipsing binary member V69 is found to be $5900\\pm72$ K from both photometric and spectroscopic evidence. This yields a true distance modulus $(m-M)_0=13.21\\pm0.06$(random)$ \\pm0.03 $(systematic) to $47\\,$Tuc when combined with existing measurements of V69 radii and luminosity ratio. We then present a new"},"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":"1702.03421","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-02-11T12:43:12Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"320a59df99d5235947619379b92130f2b6e92d3d6bc294cb8ae816dfd3ce09b1","abstract_canon_sha256":"e5e481120f959f6f0969bff3c96ab86e8780ca0b53a50f043960ae762c3e63f4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:37.573107Z","signature_b64":"0RbBbGs2mqKn8UjhNN50wJ5rcDk+xba+L2eT40T0X/1fw7VRF2Q8Aez8RLBn7nu7l9KoQYNmkemD8Q+vJXUzDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72185eaeff9616048e08b257c1b51995f4a7aac3a37bf04eed2c41263aec1d18","last_reissued_at":"2026-05-18T00:46:37.572494Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:37.572494Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The age of 47Tuc from self-consistent isochrone fits to colour-magnitude diagrams and the eclipsing member V69","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. P. Milone, A. Thygesen, D. A. VandenBerg, F. Grundahl, K. Brogaard, L. R. Bedin","submitted_at":"2017-02-11T12:43:12Z","abstract_excerpt":"Our aim is to derive a self-consistent age, distance and composition for the globular cluster $47\\,$Tucanae ($47\\,$Tuc; NGC104). First, we reevaluate the reddening towards the cluster resulting in a nominal $E(B-V)=0.03\\pm0.01$ as the best estimate. The $T_{\\rm eff}$ of the components of the eclipsing binary member V69 is found to be $5900\\pm72$ K from both photometric and spectroscopic evidence. This yields a true distance modulus $(m-M)_0=13.21\\pm0.06$(random)$ \\pm0.03 $(systematic) to $47\\,$Tuc when combined with existing measurements of V69 radii and luminosity ratio. We then present a new"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.03421","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":"1702.03421","created_at":"2026-05-18T00:46:37.572593+00:00"},{"alias_kind":"arxiv_version","alias_value":"1702.03421v1","created_at":"2026-05-18T00:46:37.572593+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.03421","created_at":"2026-05-18T00:46:37.572593+00:00"},{"alias_kind":"pith_short_12","alias_value":"OIMF5LX7SYLA","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_16","alias_value":"OIMF5LX7SYLAJDQI","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_8","alias_value":"OIMF5LX7","created_at":"2026-05-18T12:31:34.259226+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2603.07481","citing_title":"New Way to Date Globular Clusters: Brown Dwarf Cooling Sequences","ref_index":124,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/OIMF5LX7SYLAJDQIWJL4DNIZSX","json":"https://pith.science/pith/OIMF5LX7SYLAJDQIWJL4DNIZSX.json","graph_json":"https://pith.science/api/pith-number/OIMF5LX7SYLAJDQIWJL4DNIZSX/graph.json","events_json":"https://pith.science/api/pith-number/OIMF5LX7SYLAJDQIWJL4DNIZSX/events.json","paper":"https://pith.science/paper/OIMF5LX7"},"agent_actions":{"view_html":"https://pith.science/pith/OIMF5LX7SYLAJDQIWJL4DNIZSX","download_json":"https://pith.science/pith/OIMF5LX7SYLAJDQIWJL4DNIZSX.json","view_paper":"https://pith.science/paper/OIMF5LX7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1702.03421&json=true","fetch_graph":"https://pith.science/api/pith-number/OIMF5LX7SYLAJDQIWJL4DNIZSX/graph.json","fetch_events":"https://pith.science/api/pith-number/OIMF5LX7SYLAJDQIWJL4DNIZSX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OIMF5LX7SYLAJDQIWJL4DNIZSX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OIMF5LX7SYLAJDQIWJL4DNIZSX/action/storage_attestation","attest_author":"https://pith.science/pith/OIMF5LX7SYLAJDQIWJL4DNIZSX/action/author_attestation","sign_citation":"https://pith.science/pith/OIMF5LX7SYLAJDQIWJL4DNIZSX/action/citation_signature","submit_replication":"https://pith.science/pith/OIMF5LX7SYLAJDQIWJL4DNIZSX/action/replication_record"}},"created_at":"2026-05-18T00:46:37.572593+00:00","updated_at":"2026-05-18T00:46:37.572593+00:00"}