{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:NFMXPBV2QNNFKO7KNJBW37JO4O","short_pith_number":"pith:NFMXPBV2","schema_version":"1.0","canonical_sha256":"69597786ba835a553bea6a436dfd2ee39814cddb4bcf9bef97eeaf68c79e7ae6","source":{"kind":"arxiv","id":"1904.08460","version":2},"attestation_state":"computed","paper":{"title":"The Tilt of the Local Velocity Ellipsoid as Seen by Gaia","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Everall, Cambridge), N. W. Evans, R. Sch\\\"onrich (Oxford), V. Belokurov (IoA","submitted_at":"2019-04-17T19:14:40Z","abstract_excerpt":"The Gaia Radial Velocity Spectrometer (RVS) provides a sample of 7,224,631 stars with full six-dimensional phase space information. Bayesian distances of these stars are available from the catalogue of Sch\\\"onrich et al. (2019). We exploit this to map out the behaviour of the velocity ellipsoid within 5 kpc of the Sun. We find that the tilt of the disc-dominated RVS sample is accurately described by the relation $\\alpha = (0.952 \\pm 0.007)\\arctan (|z|/R)$, where ($R,z$) are cylindrical polar coordinates. This corresponds to velocity ellipsoids close to spherical alignment (for which the normal"},"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":"1904.08460","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-04-17T19:14:40Z","cross_cats_sorted":[],"title_canon_sha256":"cec9f3473088865178b8a6e0104f3e51af7fbb925c47b7a617597716bef595c3","abstract_canon_sha256":"554903aecaa4a287363639e132d4ef7eac96c6eb86daa08bef68059307acf468"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:58:48.400689Z","signature_b64":"EkWMSBrm50o0uPCd1Sz4gLvxPFX6Wr5DvMKcqKAy5jeoPh5XkZiT7ECtQyueRdAbJ6wYj9udAv0KM3ZYT3n4Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69597786ba835a553bea6a436dfd2ee39814cddb4bcf9bef97eeaf68c79e7ae6","last_reissued_at":"2026-07-04T23:58:48.400209Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:58:48.400209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Tilt of the Local Velocity Ellipsoid as Seen by Gaia","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Everall, Cambridge), N. W. Evans, R. Sch\\\"onrich (Oxford), V. Belokurov (IoA","submitted_at":"2019-04-17T19:14:40Z","abstract_excerpt":"The Gaia Radial Velocity Spectrometer (RVS) provides a sample of 7,224,631 stars with full six-dimensional phase space information. Bayesian distances of these stars are available from the catalogue of Sch\\\"onrich et al. (2019). We exploit this to map out the behaviour of the velocity ellipsoid within 5 kpc of the Sun. We find that the tilt of the disc-dominated RVS sample is accurately described by the relation $\\alpha = (0.952 \\pm 0.007)\\arctan (|z|/R)$, where ($R,z$) are cylindrical polar coordinates. This corresponds to velocity ellipsoids close to spherical alignment (for which the normal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.08460","kind":"arxiv","version":2},"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/1904.08460/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":"1904.08460","created_at":"2026-07-04T23:58:48.400275+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.08460v2","created_at":"2026-07-04T23:58:48.400275+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.08460","created_at":"2026-07-04T23:58:48.400275+00:00"},{"alias_kind":"pith_short_12","alias_value":"NFMXPBV2QNNF","created_at":"2026-07-04T23:58:48.400275+00:00"},{"alias_kind":"pith_short_16","alias_value":"NFMXPBV2QNNFKO7K","created_at":"2026-07-04T23:58:48.400275+00:00"},{"alias_kind":"pith_short_8","alias_value":"NFMXPBV2","created_at":"2026-07-04T23:58:48.400275+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.05502","citing_title":"The tidal features of the classical Milky Way satellites: Expected in MOND but inconsistent with cold dark matter models","ref_index":34,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NFMXPBV2QNNFKO7KNJBW37JO4O","json":"https://pith.science/pith/NFMXPBV2QNNFKO7KNJBW37JO4O.json","graph_json":"https://pith.science/api/pith-number/NFMXPBV2QNNFKO7KNJBW37JO4O/graph.json","events_json":"https://pith.science/api/pith-number/NFMXPBV2QNNFKO7KNJBW37JO4O/events.json","paper":"https://pith.science/paper/NFMXPBV2"},"agent_actions":{"view_html":"https://pith.science/pith/NFMXPBV2QNNFKO7KNJBW37JO4O","download_json":"https://pith.science/pith/NFMXPBV2QNNFKO7KNJBW37JO4O.json","view_paper":"https://pith.science/paper/NFMXPBV2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.08460&json=true","fetch_graph":"https://pith.science/api/pith-number/NFMXPBV2QNNFKO7KNJBW37JO4O/graph.json","fetch_events":"https://pith.science/api/pith-number/NFMXPBV2QNNFKO7KNJBW37JO4O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NFMXPBV2QNNFKO7KNJBW37JO4O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NFMXPBV2QNNFKO7KNJBW37JO4O/action/storage_attestation","attest_author":"https://pith.science/pith/NFMXPBV2QNNFKO7KNJBW37JO4O/action/author_attestation","sign_citation":"https://pith.science/pith/NFMXPBV2QNNFKO7KNJBW37JO4O/action/citation_signature","submit_replication":"https://pith.science/pith/NFMXPBV2QNNFKO7KNJBW37JO4O/action/replication_record"}},"created_at":"2026-07-04T23:58:48.400275+00:00","updated_at":"2026-07-04T23:58:48.400275+00:00"}