{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:JR6UFGGDTILCBR7CRDLEUOQ3WU","short_pith_number":"pith:JR6UFGGD","schema_version":"1.0","canonical_sha256":"4c7d4298c39a1620c7e288d64a3a1bb50bbbbba51a3de7be93536e38136aa732","source":{"kind":"arxiv","id":"1908.11119","version":1},"attestation_state":"computed","paper":{"title":"Redistribution of Stars and Gas in the Star Formation Deserts of Barred Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. E. Donohoe-Keyes, K. Kraljic, M. Martig, P. A. James","submitted_at":"2019-08-29T09:27:13Z","abstract_excerpt":"Bars strongly influence the distribution of gas and stars within the central regions of their host galaxies. This is particularly pronounced in the star formation desert (SFD) which is defined as two symmetrical regions either side of the bar that show a deficit in young stars. Previous studies proposed that, if star formation is truncated because of the influence of the bar, then the age distribution of stars within the SFD could be used to determine the epoch of bar formation. To test this, we study the properties of SFDs in 6 galaxies from zoom-in cosmological re-simulations. Age maps revea"},"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":"1908.11119","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-29T09:27:13Z","cross_cats_sorted":[],"title_canon_sha256":"50a525a632290d1836e41bf9d54f71404e247c71ece9cb0c37e4164f4413f31f","abstract_canon_sha256":"95706081e28d2500841c5b16e82248b74e5a00aafa498475409ea3074f3f7a43"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:08:38.201211Z","signature_b64":"wmzkimul5CKky+il2DUsMrVwZ3utqEaDhfTsSyyfR/3+s8+aXhSp7YB+JE0LehgwXfHGDsVok6WBmD2aPWO2CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c7d4298c39a1620c7e288d64a3a1bb50bbbbba51a3de7be93536e38136aa732","last_reissued_at":"2026-07-05T00:08:38.200827Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:08:38.200827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Redistribution of Stars and Gas in the Star Formation Deserts of Barred Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. E. Donohoe-Keyes, K. Kraljic, M. Martig, P. A. James","submitted_at":"2019-08-29T09:27:13Z","abstract_excerpt":"Bars strongly influence the distribution of gas and stars within the central regions of their host galaxies. This is particularly pronounced in the star formation desert (SFD) which is defined as two symmetrical regions either side of the bar that show a deficit in young stars. Previous studies proposed that, if star formation is truncated because of the influence of the bar, then the age distribution of stars within the SFD could be used to determine the epoch of bar formation. To test this, we study the properties of SFDs in 6 galaxies from zoom-in cosmological re-simulations. Age maps revea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.11119","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/1908.11119/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":"1908.11119","created_at":"2026-07-05T00:08:38.200883+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.11119v1","created_at":"2026-07-05T00:08:38.200883+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.11119","created_at":"2026-07-05T00:08:38.200883+00:00"},{"alias_kind":"pith_short_12","alias_value":"JR6UFGGDTILC","created_at":"2026-07-05T00:08:38.200883+00:00"},{"alias_kind":"pith_short_16","alias_value":"JR6UFGGDTILCBR7C","created_at":"2026-07-05T00:08:38.200883+00:00"},{"alias_kind":"pith_short_8","alias_value":"JR6UFGGD","created_at":"2026-07-05T00:08:38.200883+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2411.16876","citing_title":"Galaxy formation physics behind bar formation: A view from cosmological hydrodynamical simulations","ref_index":29,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JR6UFGGDTILCBR7CRDLEUOQ3WU","json":"https://pith.science/pith/JR6UFGGDTILCBR7CRDLEUOQ3WU.json","graph_json":"https://pith.science/api/pith-number/JR6UFGGDTILCBR7CRDLEUOQ3WU/graph.json","events_json":"https://pith.science/api/pith-number/JR6UFGGDTILCBR7CRDLEUOQ3WU/events.json","paper":"https://pith.science/paper/JR6UFGGD"},"agent_actions":{"view_html":"https://pith.science/pith/JR6UFGGDTILCBR7CRDLEUOQ3WU","download_json":"https://pith.science/pith/JR6UFGGDTILCBR7CRDLEUOQ3WU.json","view_paper":"https://pith.science/paper/JR6UFGGD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.11119&json=true","fetch_graph":"https://pith.science/api/pith-number/JR6UFGGDTILCBR7CRDLEUOQ3WU/graph.json","fetch_events":"https://pith.science/api/pith-number/JR6UFGGDTILCBR7CRDLEUOQ3WU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JR6UFGGDTILCBR7CRDLEUOQ3WU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JR6UFGGDTILCBR7CRDLEUOQ3WU/action/storage_attestation","attest_author":"https://pith.science/pith/JR6UFGGDTILCBR7CRDLEUOQ3WU/action/author_attestation","sign_citation":"https://pith.science/pith/JR6UFGGDTILCBR7CRDLEUOQ3WU/action/citation_signature","submit_replication":"https://pith.science/pith/JR6UFGGDTILCBR7CRDLEUOQ3WU/action/replication_record"}},"created_at":"2026-07-05T00:08:38.200883+00:00","updated_at":"2026-07-05T00:08:38.200883+00:00"}