{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:4CJK55PC4LQQ35FCTGGZCMPO3M","short_pith_number":"pith:4CJK55PC","schema_version":"1.0","canonical_sha256":"e092aef5e2e2e10df4a2998d9131eedb32dce5de1c69a9c7a2793c46bbc7aa1e","source":{"kind":"arxiv","id":"2209.00290","version":1},"attestation_state":"computed","paper":{"title":"The SAMI Galaxy Survey: Using concentrated star-formation and stellar population ages to understand environmental quenching","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam L. Schaefer, Anne M. Medling, Brent Groves, Claudia del P. Lagos, Di Wang, Francesco D'Eugenio, Giulia Santucci, Jesse van de Sande, Jon Lawrence, Joss Bland-Hawthorn, Julia J. Bryant, Matt S. Owers, Michael Goodwin, Sam P. Vaughan, Samuel Richards, Sarah Brough, Scott M. Croom, Sree Oh, Stefania Barsanti","submitted_at":"2022-09-01T08:29:29Z","abstract_excerpt":"We study environmental quenching using the spatial distribution of current star-formation and stellar population ages with the full SAMI Galaxy Survey. By using a star-formation concentration index [C-index, defined as log10(r_{50,Halpha}/r_{50,cont})], we separate our sample into regular galaxies (C-index>-0.2) and galaxies with centrally concentrated star-formation (SF-concentrated; C-index<-0.2). Concentrated star-formation is a potential indicator of galaxies currently undergoing `outside-in' quenching. Our environments cover ungrouped galaxies, low-mass groups (M_200<10^12.5 M_sun), high-"},"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":"2209.00290","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-09-01T08:29:29Z","cross_cats_sorted":[],"title_canon_sha256":"4a33c1ec3770e4d43d77cf11e0102d8284679330df2d35116cf57710594c9bd4","abstract_canon_sha256":"acdecd7e5162dd032b25b9d50027c96076588bebabaf2a4f059e25edb94bb9f7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:53:48.124772Z","signature_b64":"vILfDSJSTPu95okq7pkQuNj6pQ8+N/qBbQTdcBpGxR/5sJXcRMzaVi1ELh+FOWzvaxcy66P4avZj/SywQU9bBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e092aef5e2e2e10df4a2998d9131eedb32dce5de1c69a9c7a2793c46bbc7aa1e","last_reissued_at":"2026-07-05T04:53:48.124271Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:53:48.124271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The SAMI Galaxy Survey: Using concentrated star-formation and stellar population ages to understand environmental quenching","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam L. Schaefer, Anne M. Medling, Brent Groves, Claudia del P. Lagos, Di Wang, Francesco D'Eugenio, Giulia Santucci, Jesse van de Sande, Jon Lawrence, Joss Bland-Hawthorn, Julia J. Bryant, Matt S. Owers, Michael Goodwin, Sam P. Vaughan, Samuel Richards, Sarah Brough, Scott M. Croom, Sree Oh, Stefania Barsanti","submitted_at":"2022-09-01T08:29:29Z","abstract_excerpt":"We study environmental quenching using the spatial distribution of current star-formation and stellar population ages with the full SAMI Galaxy Survey. By using a star-formation concentration index [C-index, defined as log10(r_{50,Halpha}/r_{50,cont})], we separate our sample into regular galaxies (C-index>-0.2) and galaxies with centrally concentrated star-formation (SF-concentrated; C-index<-0.2). Concentrated star-formation is a potential indicator of galaxies currently undergoing `outside-in' quenching. Our environments cover ungrouped galaxies, low-mass groups (M_200<10^12.5 M_sun), high-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.00290","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/2209.00290/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":"2209.00290","created_at":"2026-07-05T04:53:48.124327+00:00"},{"alias_kind":"arxiv_version","alias_value":"2209.00290v1","created_at":"2026-07-05T04:53:48.124327+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.00290","created_at":"2026-07-05T04:53:48.124327+00:00"},{"alias_kind":"pith_short_12","alias_value":"4CJK55PC4LQQ","created_at":"2026-07-05T04:53:48.124327+00:00"},{"alias_kind":"pith_short_16","alias_value":"4CJK55PC4LQQ35FC","created_at":"2026-07-05T04:53:48.124327+00:00"},{"alias_kind":"pith_short_8","alias_value":"4CJK55PC","created_at":"2026-07-05T04:53:48.124327+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/4CJK55PC4LQQ35FCTGGZCMPO3M","json":"https://pith.science/pith/4CJK55PC4LQQ35FCTGGZCMPO3M.json","graph_json":"https://pith.science/api/pith-number/4CJK55PC4LQQ35FCTGGZCMPO3M/graph.json","events_json":"https://pith.science/api/pith-number/4CJK55PC4LQQ35FCTGGZCMPO3M/events.json","paper":"https://pith.science/paper/4CJK55PC"},"agent_actions":{"view_html":"https://pith.science/pith/4CJK55PC4LQQ35FCTGGZCMPO3M","download_json":"https://pith.science/pith/4CJK55PC4LQQ35FCTGGZCMPO3M.json","view_paper":"https://pith.science/paper/4CJK55PC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2209.00290&json=true","fetch_graph":"https://pith.science/api/pith-number/4CJK55PC4LQQ35FCTGGZCMPO3M/graph.json","fetch_events":"https://pith.science/api/pith-number/4CJK55PC4LQQ35FCTGGZCMPO3M/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4CJK55PC4LQQ35FCTGGZCMPO3M/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4CJK55PC4LQQ35FCTGGZCMPO3M/action/storage_attestation","attest_author":"https://pith.science/pith/4CJK55PC4LQQ35FCTGGZCMPO3M/action/author_attestation","sign_citation":"https://pith.science/pith/4CJK55PC4LQQ35FCTGGZCMPO3M/action/citation_signature","submit_replication":"https://pith.science/pith/4CJK55PC4LQQ35FCTGGZCMPO3M/action/replication_record"}},"created_at":"2026-07-05T04:53:48.124327+00:00","updated_at":"2026-07-05T04:53:48.124327+00:00"}