{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:A5UFBNP5ONOKWCZQCI7YQIXZYC","short_pith_number":"pith:A5UFBNP5","schema_version":"1.0","canonical_sha256":"076850b5fd735cab0b30123f8822f9c0a594416cb53de99f8bee5c480b93283b","source":{"kind":"arxiv","id":"1808.03410","version":1},"attestation_state":"computed","paper":{"title":"The Missing Satellite Problem Outside of the Local Group: I -- Pilot Observation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrew Cooper, Kohei Hayashi, Lee Spitler, Masashi Chiba, Masayuki Tanaka, Sakurako Okamoto, Takashi Okamoto, Yutaka Komiyama","submitted_at":"2018-08-10T04:41:24Z","abstract_excerpt":"We present results from a pilot observation of nearby (~20 Mpc) galaxies with mass similar to that of the Milky Way (MW) to address the missing satellite problem. This is the first paper from an on-going project to address the problem with a statistical sample of galaxies outside of the Local Group (LG) without employing an assumption that the LG is a typical halo in the Universe. Thanks to the close distances of our targets, dwarf galaxies around them can be identified as extended, diffuse galaxies. By applying a surface brightness cut together with a careful visual screening to remove artifa"},"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":"1808.03410","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-10T04:41:24Z","cross_cats_sorted":[],"title_canon_sha256":"4fbe2127c9429c961b865bb01f4714a9bd7c3279252765608837c02b3c362655","abstract_canon_sha256":"aad76646e714517916380c91dca364193ffbe0420da8f5e5da319eda2ee2cb7d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:45.693370Z","signature_b64":"5C4RoV+Agx10MP4pirj3ZvKbKWAj89F/WVOw1NYU1Qo/GTyF5BRmyuu1WhrJj/t1kEOtLXN7kweZIOJV54sqDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"076850b5fd735cab0b30123f8822f9c0a594416cb53de99f8bee5c480b93283b","last_reissued_at":"2026-05-18T00:03:45.692744Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:45.692744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Missing Satellite Problem Outside of the Local Group: I -- Pilot Observation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrew Cooper, Kohei Hayashi, Lee Spitler, Masashi Chiba, Masayuki Tanaka, Sakurako Okamoto, Takashi Okamoto, Yutaka Komiyama","submitted_at":"2018-08-10T04:41:24Z","abstract_excerpt":"We present results from a pilot observation of nearby (~20 Mpc) galaxies with mass similar to that of the Milky Way (MW) to address the missing satellite problem. This is the first paper from an on-going project to address the problem with a statistical sample of galaxies outside of the Local Group (LG) without employing an assumption that the LG is a typical halo in the Universe. Thanks to the close distances of our targets, dwarf galaxies around them can be identified as extended, diffuse galaxies. By applying a surface brightness cut together with a careful visual screening to remove artifa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.03410","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":"1808.03410","created_at":"2026-05-18T00:03:45.692846+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.03410v1","created_at":"2026-05-18T00:03:45.692846+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.03410","created_at":"2026-05-18T00:03:45.692846+00:00"},{"alias_kind":"pith_short_12","alias_value":"A5UFBNP5ONOK","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_16","alias_value":"A5UFBNP5ONOKWCZQ","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_8","alias_value":"A5UFBNP5","created_at":"2026-05-18T12:32:13.499390+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/A5UFBNP5ONOKWCZQCI7YQIXZYC","json":"https://pith.science/pith/A5UFBNP5ONOKWCZQCI7YQIXZYC.json","graph_json":"https://pith.science/api/pith-number/A5UFBNP5ONOKWCZQCI7YQIXZYC/graph.json","events_json":"https://pith.science/api/pith-number/A5UFBNP5ONOKWCZQCI7YQIXZYC/events.json","paper":"https://pith.science/paper/A5UFBNP5"},"agent_actions":{"view_html":"https://pith.science/pith/A5UFBNP5ONOKWCZQCI7YQIXZYC","download_json":"https://pith.science/pith/A5UFBNP5ONOKWCZQCI7YQIXZYC.json","view_paper":"https://pith.science/paper/A5UFBNP5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.03410&json=true","fetch_graph":"https://pith.science/api/pith-number/A5UFBNP5ONOKWCZQCI7YQIXZYC/graph.json","fetch_events":"https://pith.science/api/pith-number/A5UFBNP5ONOKWCZQCI7YQIXZYC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/A5UFBNP5ONOKWCZQCI7YQIXZYC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/A5UFBNP5ONOKWCZQCI7YQIXZYC/action/storage_attestation","attest_author":"https://pith.science/pith/A5UFBNP5ONOKWCZQCI7YQIXZYC/action/author_attestation","sign_citation":"https://pith.science/pith/A5UFBNP5ONOKWCZQCI7YQIXZYC/action/citation_signature","submit_replication":"https://pith.science/pith/A5UFBNP5ONOKWCZQCI7YQIXZYC/action/replication_record"}},"created_at":"2026-05-18T00:03:45.692846+00:00","updated_at":"2026-05-18T00:03:45.692846+00:00"}