{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:Y6EY54WAWACHNRDRA4RFSNQTQK","short_pith_number":"pith:Y6EY54WA","schema_version":"1.0","canonical_sha256":"c7898ef2c0b00476c471072259361382ba323323a5ea8d3a3409b5da8b96d6ae","source":{"kind":"arxiv","id":"2305.00022","version":2},"attestation_state":"computed","paper":{"title":"Dynamical friction and feedback on galactic bars in the general fast-slow regime","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Rimpei Chiba","submitted_at":"2023-04-28T18:00:05Z","abstract_excerpt":"Current theories of dynamical friction on galactic bars are based either on linear perturbation theory, which is valid only in the fast limit where the bar changes its pattern speed rapidly, or on adiabatic theory, which is applicable only in the slow limit where the bar's pattern speed is near-constant. In this paper, we study dynamical friction on galactic bars spinning down at an arbitrary speed, seamlessly connecting the fast and slow limits. We treat the bar-halo interaction as a restricted $N$-body problem and solve the collisionless Boltzmann equation using the fast-angle-averaged Hamil"},"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":"2305.00022","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-28T18:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"1f3eeb0b6106750c85568fb29dfc8bdf21d2fb6502f2819d88103b2257e3cf5a","abstract_canon_sha256":"2543cc6d18bd05d29c5cdecc6d506fe046af81f24a276cb89d7aeff0ecbac125"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:37:14.471442Z","signature_b64":"+RnDS/XdC+Io1NqaIyeNlA0P7tELDf0z/Qxo5cajy7kJzwY8iQowbkeR3MYG8LPdDo/IfTPKLbroDc33zcKxDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7898ef2c0b00476c471072259361382ba323323a5ea8d3a3409b5da8b96d6ae","last_reissued_at":"2026-07-05T06:37:14.471010Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:37:14.471010Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dynamical friction and feedback on galactic bars in the general fast-slow regime","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Rimpei Chiba","submitted_at":"2023-04-28T18:00:05Z","abstract_excerpt":"Current theories of dynamical friction on galactic bars are based either on linear perturbation theory, which is valid only in the fast limit where the bar changes its pattern speed rapidly, or on adiabatic theory, which is applicable only in the slow limit where the bar's pattern speed is near-constant. In this paper, we study dynamical friction on galactic bars spinning down at an arbitrary speed, seamlessly connecting the fast and slow limits. We treat the bar-halo interaction as a restricted $N$-body problem and solve the collisionless Boltzmann equation using the fast-angle-averaged Hamil"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.00022","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/2305.00022/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":"2305.00022","created_at":"2026-07-05T06:37:14.471072+00:00"},{"alias_kind":"arxiv_version","alias_value":"2305.00022v2","created_at":"2026-07-05T06:37:14.471072+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.00022","created_at":"2026-07-05T06:37:14.471072+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y6EY54WAWACH","created_at":"2026-07-05T06:37:14.471072+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y6EY54WAWACHNRDR","created_at":"2026-07-05T06:37:14.471072+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y6EY54WA","created_at":"2026-07-05T06:37:14.471072+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.07262","citing_title":"GalPort: Investigation of the bar in action-angle space","ref_index":47,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Y6EY54WAWACHNRDRA4RFSNQTQK","json":"https://pith.science/pith/Y6EY54WAWACHNRDRA4RFSNQTQK.json","graph_json":"https://pith.science/api/pith-number/Y6EY54WAWACHNRDRA4RFSNQTQK/graph.json","events_json":"https://pith.science/api/pith-number/Y6EY54WAWACHNRDRA4RFSNQTQK/events.json","paper":"https://pith.science/paper/Y6EY54WA"},"agent_actions":{"view_html":"https://pith.science/pith/Y6EY54WAWACHNRDRA4RFSNQTQK","download_json":"https://pith.science/pith/Y6EY54WAWACHNRDRA4RFSNQTQK.json","view_paper":"https://pith.science/paper/Y6EY54WA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2305.00022&json=true","fetch_graph":"https://pith.science/api/pith-number/Y6EY54WAWACHNRDRA4RFSNQTQK/graph.json","fetch_events":"https://pith.science/api/pith-number/Y6EY54WAWACHNRDRA4RFSNQTQK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y6EY54WAWACHNRDRA4RFSNQTQK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y6EY54WAWACHNRDRA4RFSNQTQK/action/storage_attestation","attest_author":"https://pith.science/pith/Y6EY54WAWACHNRDRA4RFSNQTQK/action/author_attestation","sign_citation":"https://pith.science/pith/Y6EY54WAWACHNRDRA4RFSNQTQK/action/citation_signature","submit_replication":"https://pith.science/pith/Y6EY54WAWACHNRDRA4RFSNQTQK/action/replication_record"}},"created_at":"2026-07-05T06:37:14.471072+00:00","updated_at":"2026-07-05T06:37:14.471072+00:00"}