{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:UQC24X2RYD2HTSHSYIMQWWCKLT","short_pith_number":"pith:UQC24X2R","canonical_record":{"source":{"id":"1610.08554","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-26T21:23:08Z","cross_cats_sorted":[],"title_canon_sha256":"39433b815e150f5a642fc66bff834b0b4a09ef74b67fe46b1a95f6eefd78a68f","abstract_canon_sha256":"ea6ead13d4159f00b80e0b9fdbb1e377e7fba12bfe4e92cb06a64958963e1ffd"},"schema_version":"1.0"},"canonical_sha256":"a405ae5f51c0f479c8f2c2190b584a5cfb20fd2ae8e40dd32cf66cdabe2fc954","source":{"kind":"arxiv","id":"1610.08554","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.08554","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"arxiv_version","alias_value":"1610.08554v1","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.08554","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"pith_short_12","alias_value":"UQC24X2RYD2H","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UQC24X2RYD2HTSHS","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UQC24X2R","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:UQC24X2RYD2HTSHSYIMQWWCKLT","target":"record","payload":{"canonical_record":{"source":{"id":"1610.08554","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-26T21:23:08Z","cross_cats_sorted":[],"title_canon_sha256":"39433b815e150f5a642fc66bff834b0b4a09ef74b67fe46b1a95f6eefd78a68f","abstract_canon_sha256":"ea6ead13d4159f00b80e0b9fdbb1e377e7fba12bfe4e92cb06a64958963e1ffd"},"schema_version":"1.0"},"canonical_sha256":"a405ae5f51c0f479c8f2c2190b584a5cfb20fd2ae8e40dd32cf66cdabe2fc954","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:16.374585Z","signature_b64":"O6F/5SmvBB5S7O4ohclj+p5dRWIw1Fzq+ZbfS32Vj93X83rqL7wrmLofeecEzRC0Wy5L/RPuMCyaDGDHBtibBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a405ae5f51c0f479c8f2c2190b584a5cfb20fd2ae8e40dd32cf66cdabe2fc954","last_reissued_at":"2026-05-18T00:54:16.373828Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:16.373828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.08554","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:54:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1uOIXHwM7G0qYRAnMXFs+mZJaKw9RscE8zGazSIoLMgBaILYRu4MlWfPDrk8HSY4muU/JB+FfgvUZL8mChKwBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T22:57:05.710129Z"},"content_sha256":"04052c87367ef1f6644413751f24dd7ab1aa367ec963cc09d2ab2857b004c707","schema_version":"1.0","event_id":"sha256:04052c87367ef1f6644413751f24dd7ab1aa367ec963cc09d2ab2857b004c707"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:UQC24X2RYD2HTSHSYIMQWWCKLT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The most massive galaxies in clusters are already fully grown at $z \\sim 0.5$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"L. J. Oldham, R. C. W. Houghton, Roger L. Davies","submitted_at":"2016-10-26T21:23:08Z","abstract_excerpt":"By constructing scaling relations for galaxies in the massive cluster MACSJ0717.5 at $z=0.545$ and comparing with those of Coma, we model the luminosity evolution of the stellar populations and the structural evolution of the galaxies. We calculate magnitudes, surface brightnesses and effective radii using HST/ACS images and velocity dispersions using Gemini/GMOS spectra, and present a catalogue of our measurements for 17 galaxies. We also generate photometric catalogues for $\\sim 3000$ galaxies from the HST imaging. With these, we construct the colour-magnitude relation, the fundamental plane"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.08554","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:54:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N5sMk77CWVmM8kuhdn4PdMMOPDOhFdvBf2uVgMR+qGY3nVChjOmKIB+Zu9/G/rNbSeSlnknSWbS+XgknDctGDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T22:57:05.710480Z"},"content_sha256":"1aac9ce1c4708f845affcf5a36eb5552cef59c34a49fff4be45046963a6bc354","schema_version":"1.0","event_id":"sha256:1aac9ce1c4708f845affcf5a36eb5552cef59c34a49fff4be45046963a6bc354"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UQC24X2RYD2HTSHSYIMQWWCKLT/bundle.json","state_url":"https://pith.science/pith/UQC24X2RYD2HTSHSYIMQWWCKLT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UQC24X2RYD2HTSHSYIMQWWCKLT/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-26T22:57:05Z","links":{"resolver":"https://pith.science/pith/UQC24X2RYD2HTSHSYIMQWWCKLT","bundle":"https://pith.science/pith/UQC24X2RYD2HTSHSYIMQWWCKLT/bundle.json","state":"https://pith.science/pith/UQC24X2RYD2HTSHSYIMQWWCKLT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UQC24X2RYD2HTSHSYIMQWWCKLT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UQC24X2RYD2HTSHSYIMQWWCKLT","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":"ea6ead13d4159f00b80e0b9fdbb1e377e7fba12bfe4e92cb06a64958963e1ffd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-26T21:23:08Z","title_canon_sha256":"39433b815e150f5a642fc66bff834b0b4a09ef74b67fe46b1a95f6eefd78a68f"},"schema_version":"1.0","source":{"id":"1610.08554","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.08554","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"arxiv_version","alias_value":"1610.08554v1","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.08554","created_at":"2026-05-18T00:54:16Z"},{"alias_kind":"pith_short_12","alias_value":"UQC24X2RYD2H","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UQC24X2RYD2HTSHS","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UQC24X2R","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:1aac9ce1c4708f845affcf5a36eb5552cef59c34a49fff4be45046963a6bc354","target":"graph","created_at":"2026-05-18T00:54:16Z","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":"By constructing scaling relations for galaxies in the massive cluster MACSJ0717.5 at $z=0.545$ and comparing with those of Coma, we model the luminosity evolution of the stellar populations and the structural evolution of the galaxies. We calculate magnitudes, surface brightnesses and effective radii using HST/ACS images and velocity dispersions using Gemini/GMOS spectra, and present a catalogue of our measurements for 17 galaxies. We also generate photometric catalogues for $\\sim 3000$ galaxies from the HST imaging. With these, we construct the colour-magnitude relation, the fundamental plane","authors_text":"L. J. Oldham, R. C. W. Houghton, Roger L. Davies","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-26T21:23:08Z","title":"The most massive galaxies in clusters are already fully grown at $z \\sim 0.5$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.08554","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":"sha256:04052c87367ef1f6644413751f24dd7ab1aa367ec963cc09d2ab2857b004c707","target":"record","created_at":"2026-05-18T00:54:16Z","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":"ea6ead13d4159f00b80e0b9fdbb1e377e7fba12bfe4e92cb06a64958963e1ffd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-26T21:23:08Z","title_canon_sha256":"39433b815e150f5a642fc66bff834b0b4a09ef74b67fe46b1a95f6eefd78a68f"},"schema_version":"1.0","source":{"id":"1610.08554","kind":"arxiv","version":1}},"canonical_sha256":"a405ae5f51c0f479c8f2c2190b584a5cfb20fd2ae8e40dd32cf66cdabe2fc954","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a405ae5f51c0f479c8f2c2190b584a5cfb20fd2ae8e40dd32cf66cdabe2fc954","first_computed_at":"2026-05-18T00:54:16.373828Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:16.373828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O6F/5SmvBB5S7O4ohclj+p5dRWIw1Fzq+ZbfS32Vj93X83rqL7wrmLofeecEzRC0Wy5L/RPuMCyaDGDHBtibBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:16.374585Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.08554","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04052c87367ef1f6644413751f24dd7ab1aa367ec963cc09d2ab2857b004c707","sha256:1aac9ce1c4708f845affcf5a36eb5552cef59c34a49fff4be45046963a6bc354"],"state_sha256":"b47767a68826b6a8e1c9099c2ac1b6a87fbda6762cae7e6e3014007be4eab904"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cPW7AIorI3al1gzAzdxwIGXWaRsLn2s795l7behSd2XII2CGOziTtVFkAbEmyLmZIjfSUHbL79dhtYcXQ6RdDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T22:57:05.712439Z","bundle_sha256":"151a155055bd6380b6aad1fbf091c7ee89fedb4e1994e070a33ab069d32c7917"}}