{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:FOMVYHHEZQQL6VPRHNO2NKU7BG","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":"fbb461d627f1e9c772cc2a5bf834d77996d84de8b57b7e1e7b72c58ee3cac845","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-18T11:27:10Z","title_canon_sha256":"2e2adc93aaffc8ec2fcf43354b907ded65218053be59f8ae7551b2830f154ae1"},"schema_version":"1.0","source":{"id":"1111.4337","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.4337","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"arxiv_version","alias_value":"1111.4337v2","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.4337","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"pith_short_12","alias_value":"FOMVYHHEZQQL","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FOMVYHHEZQQL6VPR","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FOMVYHHE","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:9cfa4f4aad646091a9ede182206c0ac3b7a66f806bdbd8fdcc220fae3704270e","target":"graph","created_at":"2026-05-18T01:59:29Z","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 present an XMM-Newton analysis of the X-ray spectra of 39 clusters of galaxies at 0.4<z<1.4, covering a temperature range of 1.5<=kT<=11 keV. We performed a spatially resolved spectral analysis to study how the abundance evolves with redshift not only through a single emission measure performed on the whole cluster but also spatially resolving the cluster emission. We do not observe a statistically significant (>2sigma) abundance evolution with redshift. The most significant deviation from no evolution (90% c.l.) is observed in the emission from the whole cluster (r<0.6r500), that could be ","authors_text":"Alessandro Baldi, Fabio Gastaldello, Italo Balestra, Paolo Tozzi, Silvano Molendi, Stefano Ettori","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-18T11:27:10Z","title":"An XMM-Newton spatially-resolved study of metal abundance evolution in distant galaxy clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.4337","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":"sha256:417a9aec0387599f4e7af37c02b912496c94172878c6b4dfb930584768ecd03f","target":"record","created_at":"2026-05-18T01:59:29Z","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":"fbb461d627f1e9c772cc2a5bf834d77996d84de8b57b7e1e7b72c58ee3cac845","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-18T11:27:10Z","title_canon_sha256":"2e2adc93aaffc8ec2fcf43354b907ded65218053be59f8ae7551b2830f154ae1"},"schema_version":"1.0","source":{"id":"1111.4337","kind":"arxiv","version":2}},"canonical_sha256":"2b995c1ce4cc20bf55f13b5da6aa9f0994fa3f4075a1db4eccd42654ab82f1d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b995c1ce4cc20bf55f13b5da6aa9f0994fa3f4075a1db4eccd42654ab82f1d0","first_computed_at":"2026-05-18T01:59:29.352519Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:29.352519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zVg4r6Hl+N8bLAp9grdRHuxgZg4IaqLh5+2eAP8jByk7510yIZJlIyt8FGH5fnRywX7X+bNwc2b25TfVguugAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:29.353116Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.4337","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:417a9aec0387599f4e7af37c02b912496c94172878c6b4dfb930584768ecd03f","sha256:9cfa4f4aad646091a9ede182206c0ac3b7a66f806bdbd8fdcc220fae3704270e"],"state_sha256":"17f0c4246487d5f3e0b1f12d71df1e0a30bc0e7a86a80228c91216f943858e82"}