{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:JSUAP5GLD7IU7CDFH5TEKC56UH","short_pith_number":"pith:JSUAP5GL","schema_version":"1.0","canonical_sha256":"4ca807f4cb1fd14f88653f66450bbea1ec5f7932240e99a1c9c967e735fb4f1e","source":{"kind":"arxiv","id":"1007.3499","version":2},"attestation_state":"computed","paper":{"title":"Willman 1 - a probable dwarf galaxy with an irregular kinematic distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Alex Warres, Beth Willman, Evan Kirby, Jay Strader, Joshua D. Simon, Louis E. Strigari, Marla Geha","submitted_at":"2010-07-20T20:00:05Z","abstract_excerpt":"We investigate the kinematic properties and stellar population of the Galactic satellite Willman 1 (Wil 1) by combining Keck/DEIMOS spectroscopy with KPNO mosaic camera imaging. Wil 1 is an ultra-low luminosity Milky Way companion. This object lies in a region of size-luminosity space (M_V ~ -2 mag, d ~ 38 kpc, r_half ~ 20 pc) also occupied by the Galactic satellites Bo\\\"otes II and Segue 1 and 2, but no other known old stellar system. We use kinematic and color-magnitude criteria to identify 45 stars as possible members of Wil 1. With a systemic velocity of v_helio = -12.8 +/- 1.0 km/s, Wil 1"},"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":"1007.3499","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-07-20T20:00:05Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"4df89ceae487400ea2f307fad91855543a6407dbe060d40d1556d81a26e24bc8","abstract_canon_sha256":"26907b32f016165c92d8b6f06b73c1e4e8eda0f2f9a70496695c7234116280bb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:12.286699Z","signature_b64":"8WM6yO5PQ2Gib48ZoP1UWosEtTZQYx4RaJgpAdbzpvgCcg/NVg66vxamxp1w8KLB2aPCI55UMsMz8m8eQ9OwCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ca807f4cb1fd14f88653f66450bbea1ec5f7932240e99a1c9c967e735fb4f1e","last_reissued_at":"2026-05-18T02:06:12.286040Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:12.286040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Willman 1 - a probable dwarf galaxy with an irregular kinematic distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Alex Warres, Beth Willman, Evan Kirby, Jay Strader, Joshua D. Simon, Louis E. Strigari, Marla Geha","submitted_at":"2010-07-20T20:00:05Z","abstract_excerpt":"We investigate the kinematic properties and stellar population of the Galactic satellite Willman 1 (Wil 1) by combining Keck/DEIMOS spectroscopy with KPNO mosaic camera imaging. Wil 1 is an ultra-low luminosity Milky Way companion. This object lies in a region of size-luminosity space (M_V ~ -2 mag, d ~ 38 kpc, r_half ~ 20 pc) also occupied by the Galactic satellites Bo\\\"otes II and Segue 1 and 2, but no other known old stellar system. We use kinematic and color-magnitude criteria to identify 45 stars as possible members of Wil 1. With a systemic velocity of v_helio = -12.8 +/- 1.0 km/s, Wil 1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.3499","kind":"arxiv","version":2},"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":"1007.3499","created_at":"2026-05-18T02:06:12.286140+00:00"},{"alias_kind":"arxiv_version","alias_value":"1007.3499v2","created_at":"2026-05-18T02:06:12.286140+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.3499","created_at":"2026-05-18T02:06:12.286140+00:00"},{"alias_kind":"pith_short_12","alias_value":"JSUAP5GLD7IU","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_16","alias_value":"JSUAP5GLD7IU7CDF","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_8","alias_value":"JSUAP5GL","created_at":"2026-05-18T12:26:09.077623+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/JSUAP5GLD7IU7CDFH5TEKC56UH","json":"https://pith.science/pith/JSUAP5GLD7IU7CDFH5TEKC56UH.json","graph_json":"https://pith.science/api/pith-number/JSUAP5GLD7IU7CDFH5TEKC56UH/graph.json","events_json":"https://pith.science/api/pith-number/JSUAP5GLD7IU7CDFH5TEKC56UH/events.json","paper":"https://pith.science/paper/JSUAP5GL"},"agent_actions":{"view_html":"https://pith.science/pith/JSUAP5GLD7IU7CDFH5TEKC56UH","download_json":"https://pith.science/pith/JSUAP5GLD7IU7CDFH5TEKC56UH.json","view_paper":"https://pith.science/paper/JSUAP5GL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1007.3499&json=true","fetch_graph":"https://pith.science/api/pith-number/JSUAP5GLD7IU7CDFH5TEKC56UH/graph.json","fetch_events":"https://pith.science/api/pith-number/JSUAP5GLD7IU7CDFH5TEKC56UH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JSUAP5GLD7IU7CDFH5TEKC56UH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JSUAP5GLD7IU7CDFH5TEKC56UH/action/storage_attestation","attest_author":"https://pith.science/pith/JSUAP5GLD7IU7CDFH5TEKC56UH/action/author_attestation","sign_citation":"https://pith.science/pith/JSUAP5GLD7IU7CDFH5TEKC56UH/action/citation_signature","submit_replication":"https://pith.science/pith/JSUAP5GLD7IU7CDFH5TEKC56UH/action/replication_record"}},"created_at":"2026-05-18T02:06:12.286140+00:00","updated_at":"2026-05-18T02:06:12.286140+00:00"}