{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:HYN6GYU5UANDBQXM2AKXXUAPIO","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":"b6b837c3a9c7612df752de9a556f709684ad5d9987eb35cd6e00541370158cac","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-13T18:00:00Z","title_canon_sha256":"74b1c87bba83ceb43fb2b6c73acf5bfae30a658fd57d50b6901f2e3416791b44"},"schema_version":"1.0","source":{"id":"2109.06186","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.06186","created_at":"2026-07-05T03:45:43Z"},{"alias_kind":"arxiv_version","alias_value":"2109.06186v1","created_at":"2026-07-05T03:45:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.06186","created_at":"2026-07-05T03:45:43Z"},{"alias_kind":"pith_short_12","alias_value":"HYN6GYU5UAND","created_at":"2026-07-05T03:45:43Z"},{"alias_kind":"pith_short_16","alias_value":"HYN6GYU5UANDBQXM","created_at":"2026-07-05T03:45:43Z"},{"alias_kind":"pith_short_8","alias_value":"HYN6GYU5","created_at":"2026-07-05T03:45:43Z"}],"graph_snapshots":[{"event_id":"sha256:5cbc02178ba5edf830b1c30b69b7a280e5b6a1e5ef3560be160c7ed04b1bde9c","target":"graph","created_at":"2026-07-05T03:45:43Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.06186/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present and publicly release (https://www.gclasshst.com) the first spatially resolved H$\\alpha$ maps of star-forming cluster galaxies at $z\\sim1$, made possible with the Wide Field Camera 3 (WFC3) G141 grism on the Hubble Space Telescope (HST). Using a similar but updated method to 3D-HST in the field environment, we stack the H$\\alpha$ maps in bins of stellar mass, measure the half-light radius of the H$\\alpha$ distribution and compare it to the stellar continuum. The ratio of the H$\\alpha$ to stellar continuum half-light radius, $R[\\mathrm{H}\\alpha/\\mathrm{C}]=\\frac{R_{\\mathrm{eff, H}\\alp","authors_text":"Adam Muzzin, Allison G. Noble, Arjen van der Wel, Danilo Marchesini, Erica J. Nelson, Gabriel B. Brammer, Gillian Wilson, Gregory Rudnick, Howard K.C. Yee, Jasleen Matharu, Matthew W. Auger, Michael Balogh, Paul C. Hewett, Remco van der Burg, Ricardo Demarco","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-13T18:00:00Z","title":"HST/WFC3 grism observations of $z\\sim1$ clusters: Evidence for rapid outside-in environmental quenching from spatially resolved H$\\alpha$ maps"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.06186","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":"sha256:7eff7e6154e5ddc7341118fa4610dc802c9a1bce8c80b746c09b2a10d86501b1","target":"record","created_at":"2026-07-05T03:45:43Z","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":"b6b837c3a9c7612df752de9a556f709684ad5d9987eb35cd6e00541370158cac","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-13T18:00:00Z","title_canon_sha256":"74b1c87bba83ceb43fb2b6c73acf5bfae30a658fd57d50b6901f2e3416791b44"},"schema_version":"1.0","source":{"id":"2109.06186","kind":"arxiv","version":1}},"canonical_sha256":"3e1be3629da01a30c2ecd0157bd00f43a69bf9eb261e201c45267d2d02656072","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e1be3629da01a30c2ecd0157bd00f43a69bf9eb261e201c45267d2d02656072","first_computed_at":"2026-07-05T03:45:43.237827Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:45:43.237827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ep45ff6dpikr643S0jiH5qYbals5TwxYGhkv8gVGr1bpCPpxBZxTDwh3CoO/awekERArtAPgKnjWlOpOVOrrCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:45:43.238284Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.06186","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7eff7e6154e5ddc7341118fa4610dc802c9a1bce8c80b746c09b2a10d86501b1","sha256:5cbc02178ba5edf830b1c30b69b7a280e5b6a1e5ef3560be160c7ed04b1bde9c"],"state_sha256":"cc3a3a53894367e02b571960367e4e71cd17f83dad8a666e3f23c8cb536f3c9b"}