{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:Q2DBAWDN4V77YVD6LCHW7D4ADI","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":"1f5d7014a265690fbb68420e777cb8d7d3fcac43430093a514df717e59f890e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-20T20:00:02Z","title_canon_sha256":"2b62291fb1dca605a5dd23dac60c815c3684a6f81eedaac8cbfeba26278e91d8"},"schema_version":"1.0","source":{"id":"1209.4642","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.4642","created_at":"2026-05-18T01:54:20Z"},{"alias_kind":"arxiv_version","alias_value":"1209.4642v1","created_at":"2026-05-18T01:54:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.4642","created_at":"2026-05-18T01:54:20Z"},{"alias_kind":"pith_short_12","alias_value":"Q2DBAWDN4V77","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q2DBAWDN4V77YVD6","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q2DBAWDN","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:9d127fa606e33cfcc5f2100fac17593b6d08d1975c598f0cdc5ee6ea358dd169","target":"graph","created_at":"2026-05-18T01:54:20Z","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":"Multiwavelength studies of radio relics at merger shocks set powerful constraints on the relics origin and formation mechanism. However, for X-ray observations, a main difficulty is represented by the low X-ray surface brightness far out in the cluster outskirts, where relics are typically found. Here, we present XMM-Newton results from a 130-ks observation of CIZA J2242.8+5301, a cluster at z=0.19 that hosts a double radio relic. We focus on the well-defined northern relic. There is a difference of ~55% between the temperature we measure behind the relic, and the temperature measured with Suz","authors_text":"A. Simionescu, G. A. Ogrean, H. R\\\"ottgering, J. H. Croston, M. Br\\\"uggen, M. Hoeft, R. J. van Weeren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-20T20:00:02Z","title":"X-ray observations of the merging cluster CIZA J2242.8+5301"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.4642","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":"sha256:6108d64f426a401342b4d8a56532daaff5969706b4cebbe5e4047779ed6d9ba8","target":"record","created_at":"2026-05-18T01:54:20Z","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":"1f5d7014a265690fbb68420e777cb8d7d3fcac43430093a514df717e59f890e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-20T20:00:02Z","title_canon_sha256":"2b62291fb1dca605a5dd23dac60c815c3684a6f81eedaac8cbfeba26278e91d8"},"schema_version":"1.0","source":{"id":"1209.4642","kind":"arxiv","version":1}},"canonical_sha256":"868610586de57ffc547e588f6f8f801a307d07037c3aa319b79a023297eeeb97","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"868610586de57ffc547e588f6f8f801a307d07037c3aa319b79a023297eeeb97","first_computed_at":"2026-05-18T01:54:20.484685Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:20.484685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jvnQ8CGQtWN8i+zc5+3SOPzPUMBn4uoUmiiBbXFRYT9wPY1zkHAaXaLMNOH7XF70KEb22XqTVrgz5Zs8YhzbCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:20.485113Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.4642","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6108d64f426a401342b4d8a56532daaff5969706b4cebbe5e4047779ed6d9ba8","sha256:9d127fa606e33cfcc5f2100fac17593b6d08d1975c598f0cdc5ee6ea358dd169"],"state_sha256":"9ef05fb45cb9f9a479b5030af61666f8376fab7bd16c8e8fce04804d471e5994"}