{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:TW6CNYGYPIFSE4ZF6ZAWT4MFSU","short_pith_number":"pith:TW6CNYGY","schema_version":"1.0","canonical_sha256":"9dbc26e0d87a0b227325f64169f185951a1770fb083dc090837329f81aeeef70","source":{"kind":"arxiv","id":"1903.00607","version":2},"attestation_state":"computed","paper":{"title":"Implications of a time-varying Galactic potential for determinations of the dynamical surface density","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Benoit Famaey, Chervin Laporte, Elena D'Onghia, Lars Hernquist, Tim Haines","submitted_at":"2019-03-02T02:44:30Z","abstract_excerpt":"Recent studies have shown that the passage of a massive satellite through the disk of a spiral galaxy can induce vertical wobbles in the disk and produce features such as in-plane rings and phase-space spirals. Here we analyze a high-resolution N-body simulation of a live stellar disk perturbed by the recent passage of a massive dwarf galaxy that induces such perturbations. We study the implications of the phase-space structures for the estimate of the matter density through traditional Jeans modelling. The dwarf satellite excites rapid time-variations in the potential, leading to a significan"},"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":"1903.00607","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-02T02:44:30Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"a77aa92f197d0e71fcce2faca94c13d8d3aee2cc4db904311d56ff737b248eb8","abstract_canon_sha256":"c217a441935a9cbb21b7cd4bb01fb5aa8716ba7509c577e81fe5a322076f2569"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:11.897254Z","signature_b64":"t5ov4AHxxTDn6Ym5TljlYKrccXq3wZgXMw4CqHQvIsCp9P/WCVrMGHFfww49qUb57TVE6vgFcHj177muXAbvDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9dbc26e0d87a0b227325f64169f185951a1770fb083dc090837329f81aeeef70","last_reissued_at":"2026-05-17T23:41:11.896837Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:11.896837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Implications of a time-varying Galactic potential for determinations of the dynamical surface density","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Benoit Famaey, Chervin Laporte, Elena D'Onghia, Lars Hernquist, Tim Haines","submitted_at":"2019-03-02T02:44:30Z","abstract_excerpt":"Recent studies have shown that the passage of a massive satellite through the disk of a spiral galaxy can induce vertical wobbles in the disk and produce features such as in-plane rings and phase-space spirals. Here we analyze a high-resolution N-body simulation of a live stellar disk perturbed by the recent passage of a massive dwarf galaxy that induces such perturbations. We study the implications of the phase-space structures for the estimate of the matter density through traditional Jeans modelling. The dwarf satellite excites rapid time-variations in the potential, leading to a significan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.00607","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":""},"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":"1903.00607","created_at":"2026-05-17T23:41:11.896899+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.00607v2","created_at":"2026-05-17T23:41:11.896899+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.00607","created_at":"2026-05-17T23:41:11.896899+00:00"},{"alias_kind":"pith_short_12","alias_value":"TW6CNYGYPIFS","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_16","alias_value":"TW6CNYGYPIFSE4ZF","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_8","alias_value":"TW6CNYGY","created_at":"2026-05-18T12:33:30.264802+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/TW6CNYGYPIFSE4ZF6ZAWT4MFSU","json":"https://pith.science/pith/TW6CNYGYPIFSE4ZF6ZAWT4MFSU.json","graph_json":"https://pith.science/api/pith-number/TW6CNYGYPIFSE4ZF6ZAWT4MFSU/graph.json","events_json":"https://pith.science/api/pith-number/TW6CNYGYPIFSE4ZF6ZAWT4MFSU/events.json","paper":"https://pith.science/paper/TW6CNYGY"},"agent_actions":{"view_html":"https://pith.science/pith/TW6CNYGYPIFSE4ZF6ZAWT4MFSU","download_json":"https://pith.science/pith/TW6CNYGYPIFSE4ZF6ZAWT4MFSU.json","view_paper":"https://pith.science/paper/TW6CNYGY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.00607&json=true","fetch_graph":"https://pith.science/api/pith-number/TW6CNYGYPIFSE4ZF6ZAWT4MFSU/graph.json","fetch_events":"https://pith.science/api/pith-number/TW6CNYGYPIFSE4ZF6ZAWT4MFSU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TW6CNYGYPIFSE4ZF6ZAWT4MFSU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TW6CNYGYPIFSE4ZF6ZAWT4MFSU/action/storage_attestation","attest_author":"https://pith.science/pith/TW6CNYGYPIFSE4ZF6ZAWT4MFSU/action/author_attestation","sign_citation":"https://pith.science/pith/TW6CNYGYPIFSE4ZF6ZAWT4MFSU/action/citation_signature","submit_replication":"https://pith.science/pith/TW6CNYGYPIFSE4ZF6ZAWT4MFSU/action/replication_record"}},"created_at":"2026-05-17T23:41:11.896899+00:00","updated_at":"2026-05-17T23:41:11.896899+00:00"}