{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:647OL5I4WBD22UDOG64X2VEIS5","short_pith_number":"pith:647OL5I4","schema_version":"1.0","canonical_sha256":"f73ee5f51cb047ad506e37b97d54889772590ee0a5aa651f413ef5e1fa2b6751","source":{"kind":"arxiv","id":"1207.5753","version":2},"attestation_state":"computed","paper":{"title":"Stellar Migration by Short Lived Density Peaks Arising from Interference of Spiral Density Waves in an N-body Simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alice C. Quillen, Justin Comparetta","submitted_at":"2012-07-24T17:24:25Z","abstract_excerpt":"We identify migrating stars in an N-body simulation of a Milky-Way-like disk. Outward migration can occur when a star in a low eccentricity orbit lags a short-lived local spiral arm density peak. We interpret short lived local density peaks, that appear and fade on approximately an orbital period, as arising from positive interference between spiral density wave patterns. Stars near such a peak can migrate over a significant distance in galactocentric radius during the peak lifetime, providing that the peak is sufficiently dense. Using a Gaussian bar model for the potential perturbation associ"},"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":"1207.5753","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-07-24T17:24:25Z","cross_cats_sorted":[],"title_canon_sha256":"323316478253051f156c83ff3c2b3a57ddeb04124d9fdce3d94a443b3f30e4d8","abstract_canon_sha256":"37409029554809b0a404187c9cc9eb6cf2bb97cedc3f70260173e90f1b2a8541"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:50:08.818373Z","signature_b64":"LAX5o6I8Uuk0VPTBD5DjgRimME1P0GlnV8X0NO/OBgkFwYje+2Jh1FqlZJrlEXFsV7HE4At2n+YqwKR4ZF6NCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f73ee5f51cb047ad506e37b97d54889772590ee0a5aa651f413ef5e1fa2b6751","last_reissued_at":"2026-05-18T03:50:08.817670Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:50:08.817670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stellar Migration by Short Lived Density Peaks Arising from Interference of Spiral Density Waves in an N-body Simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alice C. Quillen, Justin Comparetta","submitted_at":"2012-07-24T17:24:25Z","abstract_excerpt":"We identify migrating stars in an N-body simulation of a Milky-Way-like disk. Outward migration can occur when a star in a low eccentricity orbit lags a short-lived local spiral arm density peak. We interpret short lived local density peaks, that appear and fade on approximately an orbital period, as arising from positive interference between spiral density wave patterns. Stars near such a peak can migrate over a significant distance in galactocentric radius during the peak lifetime, providing that the peak is sufficiently dense. Using a Gaussian bar model for the potential perturbation associ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.5753","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":"1207.5753","created_at":"2026-05-18T03:50:08.817777+00:00"},{"alias_kind":"arxiv_version","alias_value":"1207.5753v2","created_at":"2026-05-18T03:50:08.817777+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.5753","created_at":"2026-05-18T03:50:08.817777+00:00"},{"alias_kind":"pith_short_12","alias_value":"647OL5I4WBD2","created_at":"2026-05-18T12:26:56.085431+00:00"},{"alias_kind":"pith_short_16","alias_value":"647OL5I4WBD22UDO","created_at":"2026-05-18T12:26:56.085431+00:00"},{"alias_kind":"pith_short_8","alias_value":"647OL5I4","created_at":"2026-05-18T12:26:56.085431+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2511.21805","citing_title":"Effects of Resolution and Local Stability on Galactic Disks: I. Multiple Spiral Mode Formation via Swing Amplification","ref_index":9,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/647OL5I4WBD22UDOG64X2VEIS5","json":"https://pith.science/pith/647OL5I4WBD22UDOG64X2VEIS5.json","graph_json":"https://pith.science/api/pith-number/647OL5I4WBD22UDOG64X2VEIS5/graph.json","events_json":"https://pith.science/api/pith-number/647OL5I4WBD22UDOG64X2VEIS5/events.json","paper":"https://pith.science/paper/647OL5I4"},"agent_actions":{"view_html":"https://pith.science/pith/647OL5I4WBD22UDOG64X2VEIS5","download_json":"https://pith.science/pith/647OL5I4WBD22UDOG64X2VEIS5.json","view_paper":"https://pith.science/paper/647OL5I4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1207.5753&json=true","fetch_graph":"https://pith.science/api/pith-number/647OL5I4WBD22UDOG64X2VEIS5/graph.json","fetch_events":"https://pith.science/api/pith-number/647OL5I4WBD22UDOG64X2VEIS5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/647OL5I4WBD22UDOG64X2VEIS5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/647OL5I4WBD22UDOG64X2VEIS5/action/storage_attestation","attest_author":"https://pith.science/pith/647OL5I4WBD22UDOG64X2VEIS5/action/author_attestation","sign_citation":"https://pith.science/pith/647OL5I4WBD22UDOG64X2VEIS5/action/citation_signature","submit_replication":"https://pith.science/pith/647OL5I4WBD22UDOG64X2VEIS5/action/replication_record"}},"created_at":"2026-05-18T03:50:08.817777+00:00","updated_at":"2026-05-18T03:50:08.817777+00:00"}