{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:MGG4PJOHYB35S4QLGI7TGUGXGG","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"38982b8f61f039cd192382d366da976131546d7853df47a3e96a67c53d4467be","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-12-21T21:00:02Z","title_canon_sha256":"5ef3bf89e1b2d99cc6b47678a3270a94715e23e6175ce937ee4e6113bc1e4966"},"schema_version":"1.0","source":{"id":"1612.07322","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.07322","created_at":"2026-05-18T00:50:17Z"},{"alias_kind":"arxiv_version","alias_value":"1612.07322v1","created_at":"2026-05-18T00:50:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07322","created_at":"2026-05-18T00:50:17Z"},{"alias_kind":"pith_short_12","alias_value":"MGG4PJOHYB35","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MGG4PJOHYB35S4QL","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MGG4PJOH","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:2036a4719637b24c573c999234490c5045fa3609437755fb673c1828564780ac","target":"graph","created_at":"2026-05-18T00:50:17Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Abridged - We quantify the effect of the galaxy group environment (for 12.5 < log(M_group/Msun) < 14.0) on the star formation rates of the (morphologically-selected) population of disk-dominated local Universe spiral galaxies (z < 0.13) with stellar masses log(M*/Msun) > 9.5. Within this population, we find that, while a small minority of group satellites are strongly quenched, the group centrals, and the large majority of satellites exhibit levels of SFR indistinguishable from ungrouped \"field\" galaxies of the same M*, albeit with a higher scatter, and for all M*. Modelling these results, we ","authors_text":"A.M. Hopkins, A.R. Lopez-Sanchez, A.S.G. Robotham, B.F. Madore, B.W. Holwerda, C.C. Popescu, E. Andrae, E.N. Taylor, I.K. Baldry, J. Bland-Hawthorn, J. Liske, J. Loveday, L.S. Kelvin, M. Alpaslan, M.E. Cluver, M. Gunawardhana, M.J.I. Brown, M. Rushton, M. Seibert, M.W. Grootes, P. Norberg, R.J. Tuffs, S.P. Driver","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-12-21T21:00:02Z","title":"Galaxy And Mass Assembly (GAMA): Gas Fuelling of Spiral Galaxies in the Local Universe I. - The Effect of the Group Environment on Star Formation in Spiral Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07322","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:3e4d62475e6487e652451dbe5a5018de4410ce2c2a384cfb53cc744d49344c7d","target":"record","created_at":"2026-05-18T00:50:17Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"38982b8f61f039cd192382d366da976131546d7853df47a3e96a67c53d4467be","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-12-21T21:00:02Z","title_canon_sha256":"5ef3bf89e1b2d99cc6b47678a3270a94715e23e6175ce937ee4e6113bc1e4966"},"schema_version":"1.0","source":{"id":"1612.07322","kind":"arxiv","version":1}},"canonical_sha256":"618dc7a5c7c077d9720b323f3350d731b772c9a2233848557a7c4b89a4350d53","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"618dc7a5c7c077d9720b323f3350d731b772c9a2233848557a7c4b89a4350d53","first_computed_at":"2026-05-18T00:50:17.510229Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:50:17.510229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C/uc/ysSv/JFqvJ5c5V3sXKBOQhYPL5iN7dxyyF7VnAMdU3Zj/aqqVmp01tcc/w5wmwujOQ+3NDSYoNiTdIVCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:50:17.510919Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.07322","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e4d62475e6487e652451dbe5a5018de4410ce2c2a384cfb53cc744d49344c7d","sha256:2036a4719637b24c573c999234490c5045fa3609437755fb673c1828564780ac"],"state_sha256":"ea1c35cd92bf33a2a26cfdad3d3df0d8bc339750358d95af4e17dcf34bb88037"}