{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IDMAK7THKEVYBLCSMUN3OI2KT7","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":"d6e9d5d5bf60ad6aeacf84f32983410056890c5d0a309bf45e82607aa1b769d4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-27T18:02:04Z","title_canon_sha256":"d280dcb2d0085233d45617fbf2d6239d979f5b171a2e41e5b6cd84c47f72edc6"},"schema_version":"1.0","source":{"id":"1806.10625","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.10625","created_at":"2026-05-18T00:05:30Z"},{"alias_kind":"arxiv_version","alias_value":"1806.10625v2","created_at":"2026-05-18T00:05:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.10625","created_at":"2026-05-18T00:05:30Z"},{"alias_kind":"pith_short_12","alias_value":"IDMAK7THKEVY","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"IDMAK7THKEVYBLCS","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"IDMAK7TH","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:ff6e8c93d85092cd3e28be036904bad21270b48db2145922cea7b29ed704150f","target":"graph","created_at":"2026-05-18T00:05:30Z","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":"We use color gradients to explore the evolution of early-type galaxies in the core of the massive galaxy cluster MACS J1206.2-0847 at z = 0.44. We used data from the CLASH and CLASH-VLT surveys to perform multiwavelength optimized model fitting using Galapagos-2 from the MegaMorph project to measure their photometric parameters. We derive color gradients for $g_{475} - I_{814}$, $r_{625} - Y_{105}$, $I_{814} - H_{160}$ , and $Y_{105} - H_{160}$ at radii ranging between 0.1 - 2 $r_e$ for 79 early-type cluster galaxies. From synthetic spectral models that use simple star formation recipes, we in","authors_text":"Bodo Ziegler, Miguel Verdugo, Ulrike Kuchner, Victor Marian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-27T18:02:04Z","title":"Color gradients reflect an inside-out growth in early-type galaxies of the cluster MACS J1206.2-0847"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.10625","kind":"arxiv","version":2},"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:df3de92a1326938abf21acd1b7f0e5e29cbad0d4864c69cf175c98b05b71dbf9","target":"record","created_at":"2026-05-18T00:05:30Z","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":"d6e9d5d5bf60ad6aeacf84f32983410056890c5d0a309bf45e82607aa1b769d4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-27T18:02:04Z","title_canon_sha256":"d280dcb2d0085233d45617fbf2d6239d979f5b171a2e41e5b6cd84c47f72edc6"},"schema_version":"1.0","source":{"id":"1806.10625","kind":"arxiv","version":2}},"canonical_sha256":"40d8057e67512b80ac52651bb7234a9ff5b5eed680b93fa60cc8e56f8d64ff3c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"40d8057e67512b80ac52651bb7234a9ff5b5eed680b93fa60cc8e56f8d64ff3c","first_computed_at":"2026-05-18T00:05:30.624520Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:30.624520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fZmGvxXwcOg+o7NqA+6t8okcJY5QTl6WRatDlJpzrvV5Wwb4JAsqerKTo/HZR5V0UOQJ7VLN4EpOLx8kiW39BA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:30.624968Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.10625","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df3de92a1326938abf21acd1b7f0e5e29cbad0d4864c69cf175c98b05b71dbf9","sha256:ff6e8c93d85092cd3e28be036904bad21270b48db2145922cea7b29ed704150f"],"state_sha256":"707da89757aa1df6dbb05cc60328b79a5fe83ebbce2b11d68c92e198283acb77"}