{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:BWHEQVRKDJTDDXBQ5U6XVHTJTU","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"da1104c6e3af69f6c7a10731c064e717aa46dc93b9cb0c4b6b755d57ff7e1b2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-12-05T01:26:35Z","title_canon_sha256":"73592bb5b982f232c7691332162a074cf6476becdb594095107e430d8c8e1083"},"schema_version":"1.0","source":{"id":"1712.01439","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01439","created_at":"2026-05-18T00:25:15Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01439v2","created_at":"2026-05-18T00:25:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01439","created_at":"2026-05-18T00:25:15Z"},{"alias_kind":"pith_short_12","alias_value":"BWHEQVRKDJTD","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BWHEQVRKDJTDDXBQ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BWHEQVRK","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:f17458fc27a34f978535682ba7576d103bcf2918d6408b13df6241f78406368e","target":"graph","created_at":"2026-05-18T00:25:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We use deep Gemini/GMOS-S $g,r$ photometry to study the three ultra-faint dwarf galaxy candidates DES1, Eridanus III (Eri III) and Tucana V (Tuc V). Their total luminosities, $M_V$(DES1) $ = -1.42\\pm0.50$ and $M_V$(Eri III) $ = -2.07\\pm0.50$, and mean metallicities, [Fe/H] $=-2.38^{+0.21}_{-0.19}$ and [Fe/H] $=-2.40^{+0.19}_{-0.12}$, are consistent with them being ultra-faint dwarf galaxies as they fall just outside the 1-sigma confidence band of the luminosity-metallicity relation for Milky Way satellite galaxies. However, their positions in the size-luminosity relation suggests that they are","authors_text":"Blair C. Conn, Dongwon Kim, Helmut Jerjen, Mischa Schirmer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-12-05T01:26:35Z","title":"On the nature of ultra-faint dwarf galaxy candidates I: DES1, Eridanus III and Tucana V"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01439","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:78a6dfb617aa603292b70183423e5e8c276521d35e3b02c73f998ea39f973257","target":"record","created_at":"2026-05-18T00:25:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"da1104c6e3af69f6c7a10731c064e717aa46dc93b9cb0c4b6b755d57ff7e1b2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-12-05T01:26:35Z","title_canon_sha256":"73592bb5b982f232c7691332162a074cf6476becdb594095107e430d8c8e1083"},"schema_version":"1.0","source":{"id":"1712.01439","kind":"arxiv","version":2}},"canonical_sha256":"0d8e48562a1a6631dc30ed3d7a9e699d2c75835a0a700d51a9fa7865b09ab2d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d8e48562a1a6631dc30ed3d7a9e699d2c75835a0a700d51a9fa7865b09ab2d9","first_computed_at":"2026-05-18T00:25:15.794221Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:15.794221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v/0ULidcTtO/StcOYS+FgI2SDM7WYo1voj7GXA1D16rqlPT//BKJ0c8B6p/gJumH6NsdUXWHB6aNyNitEQirCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:15.794897Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.01439","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78a6dfb617aa603292b70183423e5e8c276521d35e3b02c73f998ea39f973257","sha256:f17458fc27a34f978535682ba7576d103bcf2918d6408b13df6241f78406368e"],"state_sha256":"9f031a7b9d8c871f3c08e1983b7174c1c8ac4b8e70990fb8aaecebadee6c3f0e"}