{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:TTAAQIJ2GUC6P4EXC4CPKNNOPY","short_pith_number":"pith:TTAAQIJ2","schema_version":"1.0","canonical_sha256":"9cc008213a3505e7f0971704f535ae7e022f523c143a56bf1f251d47747bdf04","source":{"kind":"arxiv","id":"1903.00488","version":1},"attestation_state":"computed","paper":{"title":"Hubble Space Telescope analysis of stellar populations within the globular cluster G1 (Mayall II) in M31","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Bellini, A. P. Milone, A. Renzini, D. Nardiello, G. Piotto, L. R. Bedin, R. M. Rich, S. Cassisi","submitted_at":"2019-03-01T19:00:02Z","abstract_excerpt":"In this paper we present a multi-wavelength analysis of the complex stellar populations within the massive globular cluster Mayall II (G1), a satellite of the nearby Andromeda galaxy projected at a distance of 40 kpc. We used images collected with the Hubble Space Telescope in UV, blue and optical filters to explore the multiple stellar populations hosted by G1. The $m_{\\rm F438W}$ versus $m_{\\rm F438W}- m_{\\rm F606W}$ colour-magnitude diagram shows a significant spread of the red giant branch, that divides $\\sim 1$ mag brighter than the red clump. A possible explanation is the presence of two"},"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":"1903.00488","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-03-01T19:00:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"76d59f23c6e3686a6af8c1d8b53c3755a490952404bca5e1422537c6a3228c4d","abstract_canon_sha256":"91b060ee39dca78bc6bb678acd671af4588c71436c00c61f6cdeb7e580f1a0af"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:29.717831Z","signature_b64":"3a/FCiNk9/NA+kKJzjKysydJM8/jJSd85dZYv5ATxjzc4a6+zw8hUa0NNL2QzUlQ7KykQRljEJMMul/zxAeeAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9cc008213a3505e7f0971704f535ae7e022f523c143a56bf1f251d47747bdf04","last_reissued_at":"2026-05-17T23:51:29.717399Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:29.717399Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hubble Space Telescope analysis of stellar populations within the globular cluster G1 (Mayall II) in M31","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Bellini, A. P. Milone, A. Renzini, D. Nardiello, G. Piotto, L. R. Bedin, R. M. Rich, S. Cassisi","submitted_at":"2019-03-01T19:00:02Z","abstract_excerpt":"In this paper we present a multi-wavelength analysis of the complex stellar populations within the massive globular cluster Mayall II (G1), a satellite of the nearby Andromeda galaxy projected at a distance of 40 kpc. We used images collected with the Hubble Space Telescope in UV, blue and optical filters to explore the multiple stellar populations hosted by G1. The $m_{\\rm F438W}$ versus $m_{\\rm F438W}- m_{\\rm F606W}$ colour-magnitude diagram shows a significant spread of the red giant branch, that divides $\\sim 1$ mag brighter than the red clump. A possible explanation is the presence of two"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.00488","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":"1903.00488","created_at":"2026-05-17T23:51:29.717457+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.00488v1","created_at":"2026-05-17T23:51:29.717457+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.00488","created_at":"2026-05-17T23:51:29.717457+00:00"},{"alias_kind":"pith_short_12","alias_value":"TTAAQIJ2GUC6","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_16","alias_value":"TTAAQIJ2GUC6P4EX","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_8","alias_value":"TTAAQIJ2","created_at":"2026-05-18T12:33:30.264802+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/TTAAQIJ2GUC6P4EXC4CPKNNOPY","json":"https://pith.science/pith/TTAAQIJ2GUC6P4EXC4CPKNNOPY.json","graph_json":"https://pith.science/api/pith-number/TTAAQIJ2GUC6P4EXC4CPKNNOPY/graph.json","events_json":"https://pith.science/api/pith-number/TTAAQIJ2GUC6P4EXC4CPKNNOPY/events.json","paper":"https://pith.science/paper/TTAAQIJ2"},"agent_actions":{"view_html":"https://pith.science/pith/TTAAQIJ2GUC6P4EXC4CPKNNOPY","download_json":"https://pith.science/pith/TTAAQIJ2GUC6P4EXC4CPKNNOPY.json","view_paper":"https://pith.science/paper/TTAAQIJ2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.00488&json=true","fetch_graph":"https://pith.science/api/pith-number/TTAAQIJ2GUC6P4EXC4CPKNNOPY/graph.json","fetch_events":"https://pith.science/api/pith-number/TTAAQIJ2GUC6P4EXC4CPKNNOPY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TTAAQIJ2GUC6P4EXC4CPKNNOPY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TTAAQIJ2GUC6P4EXC4CPKNNOPY/action/storage_attestation","attest_author":"https://pith.science/pith/TTAAQIJ2GUC6P4EXC4CPKNNOPY/action/author_attestation","sign_citation":"https://pith.science/pith/TTAAQIJ2GUC6P4EXC4CPKNNOPY/action/citation_signature","submit_replication":"https://pith.science/pith/TTAAQIJ2GUC6P4EXC4CPKNNOPY/action/replication_record"}},"created_at":"2026-05-17T23:51:29.717457+00:00","updated_at":"2026-05-17T23:51:29.717457+00:00"}