{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:IOYNHDQ2WRJELEAUSB5335CYYB","short_pith_number":"pith:IOYNHDQ2","schema_version":"1.0","canonical_sha256":"43b0d38e1ab452459014907bbdf458c063fbe18fc101f5f80f334ad99e765830","source":{"kind":"arxiv","id":"1910.00180","version":1},"attestation_state":"computed","paper":{"title":"Photometry of the Uranian Satellites with Keck and the Search for Mab","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Chris Moeckel, Imke de Pater, Joshua Tollefson, Samuel Paradis","submitted_at":"2019-10-01T02:44:34Z","abstract_excerpt":"We present photometric properties of six small (radii < 100 km) satellites of Uranus based on 32 H-(1.49-1.78 um) band images taken on August 29, 2015 from the Keck II Telescope on Maunakea, Hawaii with the near-infrared camera NIRC2 coupled to the adaptive optics system. The sub-observer latitude of our observations was 31 deg, i.e., we view much of the satellites' north poles, in contrast to the 1986 Voyager measurements. We derive reflectivities based on mean-stacking measurements of these six minor moons of Uranus. We find that the small satellites are significantly brighter than in previo"},"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":"1910.00180","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-10-01T02:44:34Z","cross_cats_sorted":[],"title_canon_sha256":"2fee0c463ec4becee0e1089225fae498be9037400541fcd2c712694f092d443e","abstract_canon_sha256":"291ab5711d363f850157c05d4c4d9ec607e7c387d86ee084017d52c9ee48a2c7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:12:29.836766Z","signature_b64":"tbm4UCHMGvlj7g7mOIXWCFXw2EU0U59oBN9wrEUWuA47PKt+IjteXGYtYWm5Z/2C78mwJP0PH/e4xnIqVHnAAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43b0d38e1ab452459014907bbdf458c063fbe18fc101f5f80f334ad99e765830","last_reissued_at":"2026-07-05T00:12:29.836382Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:12:29.836382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Photometry of the Uranian Satellites with Keck and the Search for Mab","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Chris Moeckel, Imke de Pater, Joshua Tollefson, Samuel Paradis","submitted_at":"2019-10-01T02:44:34Z","abstract_excerpt":"We present photometric properties of six small (radii < 100 km) satellites of Uranus based on 32 H-(1.49-1.78 um) band images taken on August 29, 2015 from the Keck II Telescope on Maunakea, Hawaii with the near-infrared camera NIRC2 coupled to the adaptive optics system. The sub-observer latitude of our observations was 31 deg, i.e., we view much of the satellites' north poles, in contrast to the 1986 Voyager measurements. We derive reflectivities based on mean-stacking measurements of these six minor moons of Uranus. We find that the small satellites are significantly brighter than in previo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.00180","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1910.00180/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1910.00180","created_at":"2026-07-05T00:12:29.836436+00:00"},{"alias_kind":"arxiv_version","alias_value":"1910.00180v1","created_at":"2026-07-05T00:12:29.836436+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.00180","created_at":"2026-07-05T00:12:29.836436+00:00"},{"alias_kind":"pith_short_12","alias_value":"IOYNHDQ2WRJE","created_at":"2026-07-05T00:12:29.836436+00:00"},{"alias_kind":"pith_short_16","alias_value":"IOYNHDQ2WRJELEAU","created_at":"2026-07-05T00:12:29.836436+00:00"},{"alias_kind":"pith_short_8","alias_value":"IOYNHDQ2","created_at":"2026-07-05T00:12:29.836436+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/IOYNHDQ2WRJELEAUSB5335CYYB","json":"https://pith.science/pith/IOYNHDQ2WRJELEAUSB5335CYYB.json","graph_json":"https://pith.science/api/pith-number/IOYNHDQ2WRJELEAUSB5335CYYB/graph.json","events_json":"https://pith.science/api/pith-number/IOYNHDQ2WRJELEAUSB5335CYYB/events.json","paper":"https://pith.science/paper/IOYNHDQ2"},"agent_actions":{"view_html":"https://pith.science/pith/IOYNHDQ2WRJELEAUSB5335CYYB","download_json":"https://pith.science/pith/IOYNHDQ2WRJELEAUSB5335CYYB.json","view_paper":"https://pith.science/paper/IOYNHDQ2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1910.00180&json=true","fetch_graph":"https://pith.science/api/pith-number/IOYNHDQ2WRJELEAUSB5335CYYB/graph.json","fetch_events":"https://pith.science/api/pith-number/IOYNHDQ2WRJELEAUSB5335CYYB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IOYNHDQ2WRJELEAUSB5335CYYB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IOYNHDQ2WRJELEAUSB5335CYYB/action/storage_attestation","attest_author":"https://pith.science/pith/IOYNHDQ2WRJELEAUSB5335CYYB/action/author_attestation","sign_citation":"https://pith.science/pith/IOYNHDQ2WRJELEAUSB5335CYYB/action/citation_signature","submit_replication":"https://pith.science/pith/IOYNHDQ2WRJELEAUSB5335CYYB/action/replication_record"}},"created_at":"2026-07-05T00:12:29.836436+00:00","updated_at":"2026-07-05T00:12:29.836436+00:00"}