{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:WKYVMPQD45XCRAOBOKZDDVOOAL","short_pith_number":"pith:WKYVMPQD","schema_version":"1.0","canonical_sha256":"b2b1563e03e76e2881c172b231d5ce02e9eaf1906c569ad6ccc8be3fda0b8fd5","source":{"kind":"arxiv","id":"1105.4231","version":2},"attestation_state":"computed","paper":{"title":"Signatures of minor mergers in Milky Way-like disc kinematics: Ringing revisited","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"\\'Alvaro Villalobos, Brian W. O'Shea, Facundo A. G\\'omez, Ivan Minchev, Mary E. K. Williams","submitted_at":"2011-05-21T08:29:49Z","abstract_excerpt":"By means of N-body simulations we study the response of a galactic disc to a minor merger event. We find that non-self-gravitating, spiral-like features are induced in the thick disc. As we have shown in a previous work, this \"ringing\" also leaves an imprint in velocity space (the u-v plane) in small spatial regions, such as the solar neighbourhood. As the disc relaxes after the event, clumps in the u-v plane get closer with time, allowing us to estimate the time of impact. In addition to confirming the possibility of this diagnostic, here we show that in a more realistic scenario, the in-fall"},"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":"1105.4231","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-05-21T08:29:49Z","cross_cats_sorted":[],"title_canon_sha256":"ef88b50e6bce54f37425a9d9765e3474fbd5527a8abc1d935543a44b78b6e376","abstract_canon_sha256":"1a32f5592a5dfd000858364d13576b77222a14c69987ddc78d951fc1058d1e26"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:53.232813Z","signature_b64":"QcczxjxZ2Tu69myMKmprzcBsouFg5geVKmGY3clxVPtNqJOdqEvp73Vsz7P4Br4ccsRGjbqL9rYmWzZoNl8WBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2b1563e03e76e2881c172b231d5ce02e9eaf1906c569ad6ccc8be3fda0b8fd5","last_reissued_at":"2026-05-18T02:01:53.232249Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:53.232249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Signatures of minor mergers in Milky Way-like disc kinematics: Ringing revisited","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"\\'Alvaro Villalobos, Brian W. O'Shea, Facundo A. G\\'omez, Ivan Minchev, Mary E. K. Williams","submitted_at":"2011-05-21T08:29:49Z","abstract_excerpt":"By means of N-body simulations we study the response of a galactic disc to a minor merger event. We find that non-self-gravitating, spiral-like features are induced in the thick disc. As we have shown in a previous work, this \"ringing\" also leaves an imprint in velocity space (the u-v plane) in small spatial regions, such as the solar neighbourhood. As the disc relaxes after the event, clumps in the u-v plane get closer with time, allowing us to estimate the time of impact. In addition to confirming the possibility of this diagnostic, here we show that in a more realistic scenario, the in-fall"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.4231","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":"1105.4231","created_at":"2026-05-18T02:01:53.232336+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.4231v2","created_at":"2026-05-18T02:01:53.232336+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.4231","created_at":"2026-05-18T02:01:53.232336+00:00"},{"alias_kind":"pith_short_12","alias_value":"WKYVMPQD45XC","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_16","alias_value":"WKYVMPQD45XCRAOB","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_8","alias_value":"WKYVMPQD","created_at":"2026-05-18T12:26:44.992195+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/WKYVMPQD45XCRAOBOKZDDVOOAL","json":"https://pith.science/pith/WKYVMPQD45XCRAOBOKZDDVOOAL.json","graph_json":"https://pith.science/api/pith-number/WKYVMPQD45XCRAOBOKZDDVOOAL/graph.json","events_json":"https://pith.science/api/pith-number/WKYVMPQD45XCRAOBOKZDDVOOAL/events.json","paper":"https://pith.science/paper/WKYVMPQD"},"agent_actions":{"view_html":"https://pith.science/pith/WKYVMPQD45XCRAOBOKZDDVOOAL","download_json":"https://pith.science/pith/WKYVMPQD45XCRAOBOKZDDVOOAL.json","view_paper":"https://pith.science/paper/WKYVMPQD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.4231&json=true","fetch_graph":"https://pith.science/api/pith-number/WKYVMPQD45XCRAOBOKZDDVOOAL/graph.json","fetch_events":"https://pith.science/api/pith-number/WKYVMPQD45XCRAOBOKZDDVOOAL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WKYVMPQD45XCRAOBOKZDDVOOAL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WKYVMPQD45XCRAOBOKZDDVOOAL/action/storage_attestation","attest_author":"https://pith.science/pith/WKYVMPQD45XCRAOBOKZDDVOOAL/action/author_attestation","sign_citation":"https://pith.science/pith/WKYVMPQD45XCRAOBOKZDDVOOAL/action/citation_signature","submit_replication":"https://pith.science/pith/WKYVMPQD45XCRAOBOKZDDVOOAL/action/replication_record"}},"created_at":"2026-05-18T02:01:53.232336+00:00","updated_at":"2026-05-18T02:01:53.232336+00:00"}