{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:4CJPBDKDEU6Y56GMEV4YA77UDN","short_pith_number":"pith:4CJPBDKD","schema_version":"1.0","canonical_sha256":"e092f08d43253d8ef8cc2579807ff41b59f79b8afa815008d72f9fa1d61524ee","source":{"kind":"arxiv","id":"1008.3817","version":1},"attestation_state":"computed","paper":{"title":"A Renaissance study of Am stars. I. The mass ratio distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"Henri M.J. Boffin","submitted_at":"2010-08-23T13:23:55Z","abstract_excerpt":"Triggered by the study of Carquillat & Prieur (2007, MNRAS, 380, 1064) of Am binaries, I reanalyse their sample of 60 orbits to derive the mass ratio distribution (MRD), assuming as they did a priori functional forms, i.e. a power law or a Gaussian. The sample is then extended using orbits published by several groups and a full analysis of the MRD is made, without any assumption on the functional form. I derive the MRD using a Richardson-Lucy inversion method, assuming a fixed mass of the Am primary and randomly distributed orbital inclinations. Using the large sub-sample of double-lined spect"},"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":"1008.3817","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-23T13:23:55Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"69221cd89c0916b865a4bb2f7bb468a8b043358e38eea1d01eaac85311129d80","abstract_canon_sha256":"32fbda21e2d2bfa8266b18270a740d977d3e08d745e98b3d9bfe116da0a6ce30"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:43.762479Z","signature_b64":"OaZKK1A3SNU4xs8DjL4WfeBhTM6fHlE4xRn3aJYtBoQvE02JkrEzimlAczL523GH2Fad3tEGl7qzt3G/mmgYCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e092f08d43253d8ef8cc2579807ff41b59f79b8afa815008d72f9fa1d61524ee","last_reissued_at":"2026-05-18T02:05:43.761792Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:43.761792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Renaissance study of Am stars. I. The mass ratio distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"Henri M.J. Boffin","submitted_at":"2010-08-23T13:23:55Z","abstract_excerpt":"Triggered by the study of Carquillat & Prieur (2007, MNRAS, 380, 1064) of Am binaries, I reanalyse their sample of 60 orbits to derive the mass ratio distribution (MRD), assuming as they did a priori functional forms, i.e. a power law or a Gaussian. The sample is then extended using orbits published by several groups and a full analysis of the MRD is made, without any assumption on the functional form. I derive the MRD using a Richardson-Lucy inversion method, assuming a fixed mass of the Am primary and randomly distributed orbital inclinations. Using the large sub-sample of double-lined spect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3817","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":"1008.3817","created_at":"2026-05-18T02:05:43.761888+00:00"},{"alias_kind":"arxiv_version","alias_value":"1008.3817v1","created_at":"2026-05-18T02:05:43.761888+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3817","created_at":"2026-05-18T02:05:43.761888+00:00"},{"alias_kind":"pith_short_12","alias_value":"4CJPBDKDEU6Y","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_16","alias_value":"4CJPBDKDEU6Y56GM","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_8","alias_value":"4CJPBDKD","created_at":"2026-05-18T12:26:03.138858+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2608.02814","citing_title":"The Bimodal Mass Ratio Distribution of the Hyades","ref_index":15,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4CJPBDKDEU6Y56GMEV4YA77UDN","json":"https://pith.science/pith/4CJPBDKDEU6Y56GMEV4YA77UDN.json","graph_json":"https://pith.science/api/pith-number/4CJPBDKDEU6Y56GMEV4YA77UDN/graph.json","events_json":"https://pith.science/api/pith-number/4CJPBDKDEU6Y56GMEV4YA77UDN/events.json","paper":"https://pith.science/paper/4CJPBDKD"},"agent_actions":{"view_html":"https://pith.science/pith/4CJPBDKDEU6Y56GMEV4YA77UDN","download_json":"https://pith.science/pith/4CJPBDKDEU6Y56GMEV4YA77UDN.json","view_paper":"https://pith.science/paper/4CJPBDKD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1008.3817&json=true","fetch_graph":"https://pith.science/api/pith-number/4CJPBDKDEU6Y56GMEV4YA77UDN/graph.json","fetch_events":"https://pith.science/api/pith-number/4CJPBDKDEU6Y56GMEV4YA77UDN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4CJPBDKDEU6Y56GMEV4YA77UDN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4CJPBDKDEU6Y56GMEV4YA77UDN/action/storage_attestation","attest_author":"https://pith.science/pith/4CJPBDKDEU6Y56GMEV4YA77UDN/action/author_attestation","sign_citation":"https://pith.science/pith/4CJPBDKDEU6Y56GMEV4YA77UDN/action/citation_signature","submit_replication":"https://pith.science/pith/4CJPBDKDEU6Y56GMEV4YA77UDN/action/replication_record"}},"created_at":"2026-05-18T02:05:43.761888+00:00","updated_at":"2026-05-18T02:05:43.761888+00:00"}