{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:W5F7U4TAGL2K2BHGPYJY4WT2VR","short_pith_number":"pith:W5F7U4TA","schema_version":"1.0","canonical_sha256":"b74bfa726032f4ad04e67e138e5a7aac70dcc98c26fa18c0e55343e5597d42b5","source":{"kind":"arxiv","id":"1404.0244","version":1},"attestation_state":"computed","paper":{"title":"The Rotational Light Curve of (79360) Sila-Nunam, an Eclipsing Binary in the Kuiper Belt","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Anne Verbiscer, David Rabinowitz, Susan Benecchi, William Grundy","submitted_at":"2014-04-01T14:02:31Z","abstract_excerpt":"We combine long-term photometric observations in multiple band passes to determine the rotational light curve for the binary Kuiper-Belt object (79360) Sila-Nunam. We measure an unambiguous fundamental period of 6.2562 +/- 0.002 d, within 0.02% of half the orbital period (Porb = 12.50995 +/- 0.00036 d) determined earlier from HST observations resolving the binary. The light curve is double-peaked, and well fit by the sum of two sinusoids: a primary with period Porb/2 and peak-to-peak amplitude 0.120 +/- 0.012 mag and a secondary with period Porb and peak-to-peak amplitude 0.044 +/- 0.010 mag. "},"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":"1404.0244","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-01T14:02:31Z","cross_cats_sorted":[],"title_canon_sha256":"9a1b4c3a3b332d6eecf9166b595f9e93d66121f3055b53b752b207684328de91","abstract_canon_sha256":"99bfa9332ae46984b7d89da6d0bec3f3c05fed80d47dcf950155a94de717ef5c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:43.401245Z","signature_b64":"ZWppbsEGZ79AKMYr4iUk5UWOoU/pUspkuDttu728o5CpUKDMFM8LzLmll7FvN6vWcEFtK+i2WWp4w/y/SoDaBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b74bfa726032f4ad04e67e138e5a7aac70dcc98c26fa18c0e55343e5597d42b5","last_reissued_at":"2026-05-18T01:43:43.400783Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:43.400783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Rotational Light Curve of (79360) Sila-Nunam, an Eclipsing Binary in the Kuiper Belt","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Anne Verbiscer, David Rabinowitz, Susan Benecchi, William Grundy","submitted_at":"2014-04-01T14:02:31Z","abstract_excerpt":"We combine long-term photometric observations in multiple band passes to determine the rotational light curve for the binary Kuiper-Belt object (79360) Sila-Nunam. We measure an unambiguous fundamental period of 6.2562 +/- 0.002 d, within 0.02% of half the orbital period (Porb = 12.50995 +/- 0.00036 d) determined earlier from HST observations resolving the binary. The light curve is double-peaked, and well fit by the sum of two sinusoids: a primary with period Porb/2 and peak-to-peak amplitude 0.120 +/- 0.012 mag and a secondary with period Porb and peak-to-peak amplitude 0.044 +/- 0.010 mag. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.0244","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":"1404.0244","created_at":"2026-05-18T01:43:43.400853+00:00"},{"alias_kind":"arxiv_version","alias_value":"1404.0244v1","created_at":"2026-05-18T01:43:43.400853+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.0244","created_at":"2026-05-18T01:43:43.400853+00:00"},{"alias_kind":"pith_short_12","alias_value":"W5F7U4TAGL2K","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_16","alias_value":"W5F7U4TAGL2K2BHG","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_8","alias_value":"W5F7U4TA","created_at":"2026-05-18T12:28:54.890064+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/W5F7U4TAGL2K2BHGPYJY4WT2VR","json":"https://pith.science/pith/W5F7U4TAGL2K2BHGPYJY4WT2VR.json","graph_json":"https://pith.science/api/pith-number/W5F7U4TAGL2K2BHGPYJY4WT2VR/graph.json","events_json":"https://pith.science/api/pith-number/W5F7U4TAGL2K2BHGPYJY4WT2VR/events.json","paper":"https://pith.science/paper/W5F7U4TA"},"agent_actions":{"view_html":"https://pith.science/pith/W5F7U4TAGL2K2BHGPYJY4WT2VR","download_json":"https://pith.science/pith/W5F7U4TAGL2K2BHGPYJY4WT2VR.json","view_paper":"https://pith.science/paper/W5F7U4TA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1404.0244&json=true","fetch_graph":"https://pith.science/api/pith-number/W5F7U4TAGL2K2BHGPYJY4WT2VR/graph.json","fetch_events":"https://pith.science/api/pith-number/W5F7U4TAGL2K2BHGPYJY4WT2VR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/W5F7U4TAGL2K2BHGPYJY4WT2VR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/W5F7U4TAGL2K2BHGPYJY4WT2VR/action/storage_attestation","attest_author":"https://pith.science/pith/W5F7U4TAGL2K2BHGPYJY4WT2VR/action/author_attestation","sign_citation":"https://pith.science/pith/W5F7U4TAGL2K2BHGPYJY4WT2VR/action/citation_signature","submit_replication":"https://pith.science/pith/W5F7U4TAGL2K2BHGPYJY4WT2VR/action/replication_record"}},"created_at":"2026-05-18T01:43:43.400853+00:00","updated_at":"2026-05-18T01:43:43.400853+00:00"}