{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:K3DACY4Y5IUOO6DNSBEN7R3LWF","short_pith_number":"pith:K3DACY4Y","schema_version":"1.0","canonical_sha256":"56c6016398ea28e7786d9048dfc76bb142d63c8948e526d7d403bfafdf9f05ea","source":{"kind":"arxiv","id":"1008.4152","version":1},"attestation_state":"computed","paper":{"title":"Observational biases in determining extrasolar planet eccentricities in single-planet systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"2), (2) UCBerkeley, (3) UFlorida), Eric B. Ford (3) ((1) IAS, Margaret Pan (1, Nadia L. Zakamska (1)","submitted_at":"2010-08-24T21:09:31Z","abstract_excerpt":"We investigate potential biases in the measurements of exoplanet orbital parameters obtained from radial velocity observations for single-planet systems. We create a mock catalog of radial velocity data, choosing input planet masses, periods, and observing patterns from actual radial velocity surveys and varying input eccentricities. We apply Markov Chain Monte Carlo (MCMC) simulations and compare the resulting orbital parameters to the input values. We find that a combination of the effective signal-to-noise ratio of the data, the maximal gap in phase coverage, and the total number of periods"},"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":"1008.4152","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-24T21:09:31Z","cross_cats_sorted":[],"title_canon_sha256":"ff1ed6a83f1c54e4b614c82d7b3cb4eab3e75b1e2931fca1a63ce907ae7005a3","abstract_canon_sha256":"0263eb0d64f47d3a657babf933ac216147137c6dbd6aa652efc462bd5b8ba2d2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:43.088099Z","signature_b64":"DWrvyo+1jw0P/8eRjBiuCuzgKmKp3vCzdj1h7uqQgYIf1pS6xjw+AZndcJhaLTIGQ4/CMCMQrV5OOtcO/6w4Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56c6016398ea28e7786d9048dfc76bb142d63c8948e526d7d403bfafdf9f05ea","last_reissued_at":"2026-05-18T02:05:43.087513Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:43.087513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observational biases in determining extrasolar planet eccentricities in single-planet systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"2), (2) UCBerkeley, (3) UFlorida), Eric B. Ford (3) ((1) IAS, Margaret Pan (1, Nadia L. Zakamska (1)","submitted_at":"2010-08-24T21:09:31Z","abstract_excerpt":"We investigate potential biases in the measurements of exoplanet orbital parameters obtained from radial velocity observations for single-planet systems. We create a mock catalog of radial velocity data, choosing input planet masses, periods, and observing patterns from actual radial velocity surveys and varying input eccentricities. We apply Markov Chain Monte Carlo (MCMC) simulations and compare the resulting orbital parameters to the input values. We find that a combination of the effective signal-to-noise ratio of the data, the maximal gap in phase coverage, and the total number of periods"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.4152","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":"1008.4152","created_at":"2026-05-18T02:05:43.087591+00:00"},{"alias_kind":"arxiv_version","alias_value":"1008.4152v1","created_at":"2026-05-18T02:05:43.087591+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.4152","created_at":"2026-05-18T02:05:43.087591+00:00"},{"alias_kind":"pith_short_12","alias_value":"K3DACY4Y5IUO","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_16","alias_value":"K3DACY4Y5IUOO6DN","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_8","alias_value":"K3DACY4Y","created_at":"2026-05-18T12:26:09.077623+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/K3DACY4Y5IUOO6DNSBEN7R3LWF","json":"https://pith.science/pith/K3DACY4Y5IUOO6DNSBEN7R3LWF.json","graph_json":"https://pith.science/api/pith-number/K3DACY4Y5IUOO6DNSBEN7R3LWF/graph.json","events_json":"https://pith.science/api/pith-number/K3DACY4Y5IUOO6DNSBEN7R3LWF/events.json","paper":"https://pith.science/paper/K3DACY4Y"},"agent_actions":{"view_html":"https://pith.science/pith/K3DACY4Y5IUOO6DNSBEN7R3LWF","download_json":"https://pith.science/pith/K3DACY4Y5IUOO6DNSBEN7R3LWF.json","view_paper":"https://pith.science/paper/K3DACY4Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1008.4152&json=true","fetch_graph":"https://pith.science/api/pith-number/K3DACY4Y5IUOO6DNSBEN7R3LWF/graph.json","fetch_events":"https://pith.science/api/pith-number/K3DACY4Y5IUOO6DNSBEN7R3LWF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/K3DACY4Y5IUOO6DNSBEN7R3LWF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/K3DACY4Y5IUOO6DNSBEN7R3LWF/action/storage_attestation","attest_author":"https://pith.science/pith/K3DACY4Y5IUOO6DNSBEN7R3LWF/action/author_attestation","sign_citation":"https://pith.science/pith/K3DACY4Y5IUOO6DNSBEN7R3LWF/action/citation_signature","submit_replication":"https://pith.science/pith/K3DACY4Y5IUOO6DNSBEN7R3LWF/action/replication_record"}},"created_at":"2026-05-18T02:05:43.087591+00:00","updated_at":"2026-05-18T02:05:43.087591+00:00"}