{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:6ZUEDKKJMHGVGETGQ3U5YUFG3V","short_pith_number":"pith:6ZUEDKKJ","schema_version":"1.0","canonical_sha256":"f66841a94961cd53126686e9dc50a6dd6ad44c4a1235f3970128165f696348fa","source":{"kind":"arxiv","id":"astro-ph/0308016","version":1},"attestation_state":"computed","paper":{"title":"Finding the Most Metal-poor Stars of the Galactic Halo with the Hamburg/ESO Objective-Prism Survey","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Germany), Norbert Christlieb (Hamburger Sternwarte","submitted_at":"2003-08-01T13:37:54Z","abstract_excerpt":"I review the status of the search for extremely metal-poor halo stars with the Hamburg/ESO objective-prism survey (HES). 2194 candidate metal-poor turn-off stars and 6133 giants in the magnitude range 14 < B < 17.5 have been selected from 329 (out of 380) HES fields, covering an effective area of 6400 square degrees in the southern extragalactic sky. Moderate-resolution follow-up observations for 3200 candidates have been obtained so far, and ~200 new stars with [Fe/H] <- 3.0 have been found, which trebles the total number of such extremely low-metallicity stars identified by all previous surv"},"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":"astro-ph/0308016","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-08-01T13:37:54Z","cross_cats_sorted":[],"title_canon_sha256":"840b2f3f817e3d37fdcd253018f9920d07512a5399f74ee8cfc8a4537b258728","abstract_canon_sha256":"639029e09f14da76e70b2d530575beda04be0691aadb7c1fe576cef47f1b4a46"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:33.893586Z","signature_b64":"5bJs9TUJ97sba20uF2nxbtKVn59g/gntzlzhMKxygCC3MfqPl/OI9zpX/oplc7Kt06j/RzaCZKwez+6V5pjpDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f66841a94961cd53126686e9dc50a6dd6ad44c4a1235f3970128165f696348fa","last_reissued_at":"2026-05-18T01:59:33.892988Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:33.892988Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Finding the Most Metal-poor Stars of the Galactic Halo with the Hamburg/ESO Objective-Prism Survey","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Germany), Norbert Christlieb (Hamburger Sternwarte","submitted_at":"2003-08-01T13:37:54Z","abstract_excerpt":"I review the status of the search for extremely metal-poor halo stars with the Hamburg/ESO objective-prism survey (HES). 2194 candidate metal-poor turn-off stars and 6133 giants in the magnitude range 14 < B < 17.5 have been selected from 329 (out of 380) HES fields, covering an effective area of 6400 square degrees in the southern extragalactic sky. Moderate-resolution follow-up observations for 3200 candidates have been obtained so far, and ~200 new stars with [Fe/H] <- 3.0 have been found, which trebles the total number of such extremely low-metallicity stars identified by all previous surv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0308016","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":"astro-ph/0308016","created_at":"2026-05-18T01:59:33.893075+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0308016v1","created_at":"2026-05-18T01:59:33.893075+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0308016","created_at":"2026-05-18T01:59:33.893075+00:00"},{"alias_kind":"pith_short_12","alias_value":"6ZUEDKKJMHGV","created_at":"2026-05-18T12:25:51.375804+00:00"},{"alias_kind":"pith_short_16","alias_value":"6ZUEDKKJMHGVGETG","created_at":"2026-05-18T12:25:51.375804+00:00"},{"alias_kind":"pith_short_8","alias_value":"6ZUEDKKJ","created_at":"2026-05-18T12:25:51.375804+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/6ZUEDKKJMHGVGETGQ3U5YUFG3V","json":"https://pith.science/pith/6ZUEDKKJMHGVGETGQ3U5YUFG3V.json","graph_json":"https://pith.science/api/pith-number/6ZUEDKKJMHGVGETGQ3U5YUFG3V/graph.json","events_json":"https://pith.science/api/pith-number/6ZUEDKKJMHGVGETGQ3U5YUFG3V/events.json","paper":"https://pith.science/paper/6ZUEDKKJ"},"agent_actions":{"view_html":"https://pith.science/pith/6ZUEDKKJMHGVGETGQ3U5YUFG3V","download_json":"https://pith.science/pith/6ZUEDKKJMHGVGETGQ3U5YUFG3V.json","view_paper":"https://pith.science/paper/6ZUEDKKJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0308016&json=true","fetch_graph":"https://pith.science/api/pith-number/6ZUEDKKJMHGVGETGQ3U5YUFG3V/graph.json","fetch_events":"https://pith.science/api/pith-number/6ZUEDKKJMHGVGETGQ3U5YUFG3V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6ZUEDKKJMHGVGETGQ3U5YUFG3V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6ZUEDKKJMHGVGETGQ3U5YUFG3V/action/storage_attestation","attest_author":"https://pith.science/pith/6ZUEDKKJMHGVGETGQ3U5YUFG3V/action/author_attestation","sign_citation":"https://pith.science/pith/6ZUEDKKJMHGVGETGQ3U5YUFG3V/action/citation_signature","submit_replication":"https://pith.science/pith/6ZUEDKKJMHGVGETGQ3U5YUFG3V/action/replication_record"}},"created_at":"2026-05-18T01:59:33.893075+00:00","updated_at":"2026-05-18T01:59:33.893075+00:00"}