{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:ICMU5A6MN6D6NK7U2FSTRRD3Z4","short_pith_number":"pith:ICMU5A6M","schema_version":"1.0","canonical_sha256":"40994e83cc6f87e6abf4d16538c47bcf20bc504a25ebea7e37dfcb701bc6e82a","source":{"kind":"arxiv","id":"0903.3251","version":1},"attestation_state":"computed","paper":{"title":"Discovery of the Widest Very Low Mass Field Binary","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"David Lafreni\\`ere, Jacqueline Radigan, Ray Jayawardhana, Ren\\'e Doyon","submitted_at":"2009-03-18T22:54:14Z","abstract_excerpt":"We present the discovery of the widest (~6700 AU) very low mass field binary to date, found in a proper motion cross-match of the Sloan Digital Sky Survey and the Two Micron All Sky Survey. Our follow-up J-band imaging provides a 10-year baseline for measuring proper motions. Consequently, we are able to confirm the common proper motion of the pair to within 10 mas, implying a 99.5% probability of their physical association. Near infrared spectra of the components indicate spectral types of M6+/-1 and M7+/-1. The system resides at a spectroscopic distance of 105+/-13 pc and has an angular sepa"},"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":"0903.3251","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-03-18T22:54:14Z","cross_cats_sorted":[],"title_canon_sha256":"6af9f57f6c3c71a21624fe87c12fe034fd111606fc3fc013a82e1ac6229fb5c7","abstract_canon_sha256":"c20a4e5016f44e962508744d5ea2198e6a7d1db7f9a66abde7c8f2e807a080df"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:15.822751Z","signature_b64":"lRaidBLOa35UpmRKdUgGY+NNOqBwZltV0exURc0rSnGjPDiYOEGOfLRsCBbLC8CTf1lzK5tSjV6toHsbiFkbDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40994e83cc6f87e6abf4d16538c47bcf20bc504a25ebea7e37dfcb701bc6e82a","last_reissued_at":"2026-05-18T04:29:15.822297Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:15.822297Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of the Widest Very Low Mass Field Binary","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"David Lafreni\\`ere, Jacqueline Radigan, Ray Jayawardhana, Ren\\'e Doyon","submitted_at":"2009-03-18T22:54:14Z","abstract_excerpt":"We present the discovery of the widest (~6700 AU) very low mass field binary to date, found in a proper motion cross-match of the Sloan Digital Sky Survey and the Two Micron All Sky Survey. Our follow-up J-band imaging provides a 10-year baseline for measuring proper motions. Consequently, we are able to confirm the common proper motion of the pair to within 10 mas, implying a 99.5% probability of their physical association. Near infrared spectra of the components indicate spectral types of M6+/-1 and M7+/-1. The system resides at a spectroscopic distance of 105+/-13 pc and has an angular sepa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.3251","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":"0903.3251","created_at":"2026-05-18T04:29:15.822387+00:00"},{"alias_kind":"arxiv_version","alias_value":"0903.3251v1","created_at":"2026-05-18T04:29:15.822387+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.3251","created_at":"2026-05-18T04:29:15.822387+00:00"},{"alias_kind":"pith_short_12","alias_value":"ICMU5A6MN6D6","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"ICMU5A6MN6D6NK7U","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"ICMU5A6M","created_at":"2026-05-18T12:26:00.592388+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/ICMU5A6MN6D6NK7U2FSTRRD3Z4","json":"https://pith.science/pith/ICMU5A6MN6D6NK7U2FSTRRD3Z4.json","graph_json":"https://pith.science/api/pith-number/ICMU5A6MN6D6NK7U2FSTRRD3Z4/graph.json","events_json":"https://pith.science/api/pith-number/ICMU5A6MN6D6NK7U2FSTRRD3Z4/events.json","paper":"https://pith.science/paper/ICMU5A6M"},"agent_actions":{"view_html":"https://pith.science/pith/ICMU5A6MN6D6NK7U2FSTRRD3Z4","download_json":"https://pith.science/pith/ICMU5A6MN6D6NK7U2FSTRRD3Z4.json","view_paper":"https://pith.science/paper/ICMU5A6M","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0903.3251&json=true","fetch_graph":"https://pith.science/api/pith-number/ICMU5A6MN6D6NK7U2FSTRRD3Z4/graph.json","fetch_events":"https://pith.science/api/pith-number/ICMU5A6MN6D6NK7U2FSTRRD3Z4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ICMU5A6MN6D6NK7U2FSTRRD3Z4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ICMU5A6MN6D6NK7U2FSTRRD3Z4/action/storage_attestation","attest_author":"https://pith.science/pith/ICMU5A6MN6D6NK7U2FSTRRD3Z4/action/author_attestation","sign_citation":"https://pith.science/pith/ICMU5A6MN6D6NK7U2FSTRRD3Z4/action/citation_signature","submit_replication":"https://pith.science/pith/ICMU5A6MN6D6NK7U2FSTRRD3Z4/action/replication_record"}},"created_at":"2026-05-18T04:29:15.822387+00:00","updated_at":"2026-05-18T04:29:15.822387+00:00"}