{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:B3JY7FLACS2WUDTE3BMMXSXRUU","short_pith_number":"pith:B3JY7FLA","schema_version":"1.0","canonical_sha256":"0ed38f956014b56a0e64d858cbcaf1a5208575b28cf8f0d6ad953f6f0e2c3725","source":{"kind":"arxiv","id":"1712.00882","version":1},"attestation_state":"computed","paper":{"title":"Bars and spirals in tidal interactions with an ensemble of galaxy mass models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alex R. Pettitt, James W. Wadsley","submitted_at":"2017-12-04T02:39:29Z","abstract_excerpt":"We present simulations of the gaseous and stellar material in several different galaxy mass models under the influence of different tidal fly-bys to assess the changes in their bar and spiral morphology. Five different mass models are chosen to represent the variety of rotation curves seen in nature. We find a multitude of different spiral and bar structures can be created, with their properties dependent on the strength of the interaction. We calculate pattern speeds, spiral wind-up rates, bar lengths, and angular momentum exchange to quantify the changes in disc morphology in each scenario. "},"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":"1712.00882","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-12-04T02:39:29Z","cross_cats_sorted":[],"title_canon_sha256":"ce3196f6691714811e151ebf804de8e78f1a5e431568da0ecd4686aa5a0f6405","abstract_canon_sha256":"8b2054c3be2e92e31cff73b6d9b7831bec5587317cbc96928136d0988ca4f59e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:23.439747Z","signature_b64":"zewGhufCHIoL9vSibfCp0D6lGQvoAgzn3b9TasM0yKKtn8OJ3fo6LLF79fnaxouoii9XlRepGS0Ow15nwGgKCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ed38f956014b56a0e64d858cbcaf1a5208575b28cf8f0d6ad953f6f0e2c3725","last_reissued_at":"2026-05-18T00:26:23.438994Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:23.438994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bars and spirals in tidal interactions with an ensemble of galaxy mass models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alex R. Pettitt, James W. Wadsley","submitted_at":"2017-12-04T02:39:29Z","abstract_excerpt":"We present simulations of the gaseous and stellar material in several different galaxy mass models under the influence of different tidal fly-bys to assess the changes in their bar and spiral morphology. Five different mass models are chosen to represent the variety of rotation curves seen in nature. We find a multitude of different spiral and bar structures can be created, with their properties dependent on the strength of the interaction. We calculate pattern speeds, spiral wind-up rates, bar lengths, and angular momentum exchange to quantify the changes in disc morphology in each scenario. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00882","kind":"arxiv","version":1},"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":"1712.00882","created_at":"2026-05-18T00:26:23.439117+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.00882v1","created_at":"2026-05-18T00:26:23.439117+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00882","created_at":"2026-05-18T00:26:23.439117+00:00"},{"alias_kind":"pith_short_12","alias_value":"B3JY7FLACS2W","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_16","alias_value":"B3JY7FLACS2WUDTE","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_8","alias_value":"B3JY7FLA","created_at":"2026-05-18T12:31:08.081275+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/B3JY7FLACS2WUDTE3BMMXSXRUU","json":"https://pith.science/pith/B3JY7FLACS2WUDTE3BMMXSXRUU.json","graph_json":"https://pith.science/api/pith-number/B3JY7FLACS2WUDTE3BMMXSXRUU/graph.json","events_json":"https://pith.science/api/pith-number/B3JY7FLACS2WUDTE3BMMXSXRUU/events.json","paper":"https://pith.science/paper/B3JY7FLA"},"agent_actions":{"view_html":"https://pith.science/pith/B3JY7FLACS2WUDTE3BMMXSXRUU","download_json":"https://pith.science/pith/B3JY7FLACS2WUDTE3BMMXSXRUU.json","view_paper":"https://pith.science/paper/B3JY7FLA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.00882&json=true","fetch_graph":"https://pith.science/api/pith-number/B3JY7FLACS2WUDTE3BMMXSXRUU/graph.json","fetch_events":"https://pith.science/api/pith-number/B3JY7FLACS2WUDTE3BMMXSXRUU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B3JY7FLACS2WUDTE3BMMXSXRUU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B3JY7FLACS2WUDTE3BMMXSXRUU/action/storage_attestation","attest_author":"https://pith.science/pith/B3JY7FLACS2WUDTE3BMMXSXRUU/action/author_attestation","sign_citation":"https://pith.science/pith/B3JY7FLACS2WUDTE3BMMXSXRUU/action/citation_signature","submit_replication":"https://pith.science/pith/B3JY7FLACS2WUDTE3BMMXSXRUU/action/replication_record"}},"created_at":"2026-05-18T00:26:23.439117+00:00","updated_at":"2026-05-18T00:26:23.439117+00:00"}