{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:XP4T7VMHPTAQT7U4S764UZLFS7","short_pith_number":"pith:XP4T7VMH","schema_version":"1.0","canonical_sha256":"bbf93fd5877cc109fe9c97fdca656597e63d5142ee5ddb8e326c9aa301f8f242","source":{"kind":"arxiv","id":"2010.09733","version":1},"attestation_state":"computed","paper":{"title":"GASP XXIX -- Unwinding the arms of spiral galaxies via ram-pressure stripping","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alessia Moretti, Andrea Franchetto, Benedetta Vulcani, Bianca M. Poggianti, Callum Bellhouse, Elke Roediger, Jacopo Fritz, Jihye Shin, Katarina Kraljic, Marco Gullieuszik, Rory Smith, Sean L. McGee, Stephanie Tonnesen, Yara L. Jaff\\'e","submitted_at":"2020-10-19T18:00:02Z","abstract_excerpt":"We present the first study of the effect of ram-pressure \"unwinding\" the spiral arms of cluster galaxies. We study 11 ram-pressure stripped galaxies from GASP (GAs Stripping Phenomena in galaxies) in which, in addition to more commonly observed \"jellyfish\" features, dislodged material also appears to retain the original structure of the spiral arms. Gravitational influence from neighbours is ruled out and we compare the sample with a control group of undisturbed spiral galaxies and simulated stripped galaxies. We first confirm the unwinding nature, finding the spiral arm pitch angle increases "},"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":"2010.09733","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-10-19T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"24f0d68ffef3f00300bc83b4210032c63754a13a67cd590716b84ebc46e46164","abstract_canon_sha256":"f254e8cfa47885f10a393d37e6b5139c9632c4906c32aacc1bb902ee70b3f263"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:48:56.709799Z","signature_b64":"ZjNgai62jz2EabfIM4KbkwGnBmWKBXdPpSV72TLQtWh9jJmKb03Z/917ibWCES/1/myOYWg2IiDTMWFmCGscDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbf93fd5877cc109fe9c97fdca656597e63d5142ee5ddb8e326c9aa301f8f242","last_reissued_at":"2026-07-05T01:48:56.709337Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:48:56.709337Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"GASP XXIX -- Unwinding the arms of spiral galaxies via ram-pressure stripping","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alessia Moretti, Andrea Franchetto, Benedetta Vulcani, Bianca M. Poggianti, Callum Bellhouse, Elke Roediger, Jacopo Fritz, Jihye Shin, Katarina Kraljic, Marco Gullieuszik, Rory Smith, Sean L. McGee, Stephanie Tonnesen, Yara L. Jaff\\'e","submitted_at":"2020-10-19T18:00:02Z","abstract_excerpt":"We present the first study of the effect of ram-pressure \"unwinding\" the spiral arms of cluster galaxies. We study 11 ram-pressure stripped galaxies from GASP (GAs Stripping Phenomena in galaxies) in which, in addition to more commonly observed \"jellyfish\" features, dislodged material also appears to retain the original structure of the spiral arms. Gravitational influence from neighbours is ruled out and we compare the sample with a control group of undisturbed spiral galaxies and simulated stripped galaxies. We first confirm the unwinding nature, finding the spiral arm pitch angle increases "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.09733","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2010.09733/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":"2010.09733","created_at":"2026-07-05T01:48:56.709397+00:00"},{"alias_kind":"arxiv_version","alias_value":"2010.09733v1","created_at":"2026-07-05T01:48:56.709397+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.09733","created_at":"2026-07-05T01:48:56.709397+00:00"},{"alias_kind":"pith_short_12","alias_value":"XP4T7VMHPTAQ","created_at":"2026-07-05T01:48:56.709397+00:00"},{"alias_kind":"pith_short_16","alias_value":"XP4T7VMHPTAQT7U4","created_at":"2026-07-05T01:48:56.709397+00:00"},{"alias_kind":"pith_short_8","alias_value":"XP4T7VMH","created_at":"2026-07-05T01:48:56.709397+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2507.02555","citing_title":"Quantifying the unwinding due to ram pressure stripping in simulated galaxies","ref_index":16,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XP4T7VMHPTAQT7U4S764UZLFS7","json":"https://pith.science/pith/XP4T7VMHPTAQT7U4S764UZLFS7.json","graph_json":"https://pith.science/api/pith-number/XP4T7VMHPTAQT7U4S764UZLFS7/graph.json","events_json":"https://pith.science/api/pith-number/XP4T7VMHPTAQT7U4S764UZLFS7/events.json","paper":"https://pith.science/paper/XP4T7VMH"},"agent_actions":{"view_html":"https://pith.science/pith/XP4T7VMHPTAQT7U4S764UZLFS7","download_json":"https://pith.science/pith/XP4T7VMHPTAQT7U4S764UZLFS7.json","view_paper":"https://pith.science/paper/XP4T7VMH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2010.09733&json=true","fetch_graph":"https://pith.science/api/pith-number/XP4T7VMHPTAQT7U4S764UZLFS7/graph.json","fetch_events":"https://pith.science/api/pith-number/XP4T7VMHPTAQT7U4S764UZLFS7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XP4T7VMHPTAQT7U4S764UZLFS7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XP4T7VMHPTAQT7U4S764UZLFS7/action/storage_attestation","attest_author":"https://pith.science/pith/XP4T7VMHPTAQT7U4S764UZLFS7/action/author_attestation","sign_citation":"https://pith.science/pith/XP4T7VMHPTAQT7U4S764UZLFS7/action/citation_signature","submit_replication":"https://pith.science/pith/XP4T7VMHPTAQT7U4S764UZLFS7/action/replication_record"}},"created_at":"2026-07-05T01:48:56.709397+00:00","updated_at":"2026-07-05T01:48:56.709397+00:00"}