{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:EKT7A2GNSQDOSG43AUYVWJRYSN","short_pith_number":"pith:EKT7A2GN","canonical_record":{"source":{"id":"1102.0782","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-03T21:03:08Z","cross_cats_sorted":[],"title_canon_sha256":"6ec6147cb9e29b761dbe1c3b994671d5badde949d37263a6ea68aeb5eae23071","abstract_canon_sha256":"96b700075e00e5b722e2bf4cf26aea32a23303580428cec4188d925b19e23cb5"},"schema_version":"1.0"},"canonical_sha256":"22a7f068cd9406e91b9b05315b26389359649dcd4c9facc711ee6f286e64e19d","source":{"kind":"arxiv","id":"1102.0782","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.0782","created_at":"2026-05-18T02:03:16Z"},{"alias_kind":"arxiv_version","alias_value":"1102.0782v2","created_at":"2026-05-18T02:03:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.0782","created_at":"2026-05-18T02:03:16Z"},{"alias_kind":"pith_short_12","alias_value":"EKT7A2GNSQDO","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"EKT7A2GNSQDOSG43","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"EKT7A2GN","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:EKT7A2GNSQDOSG43AUYVWJRYSN","target":"record","payload":{"canonical_record":{"source":{"id":"1102.0782","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-03T21:03:08Z","cross_cats_sorted":[],"title_canon_sha256":"6ec6147cb9e29b761dbe1c3b994671d5badde949d37263a6ea68aeb5eae23071","abstract_canon_sha256":"96b700075e00e5b722e2bf4cf26aea32a23303580428cec4188d925b19e23cb5"},"schema_version":"1.0"},"canonical_sha256":"22a7f068cd9406e91b9b05315b26389359649dcd4c9facc711ee6f286e64e19d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:16.994250Z","signature_b64":"Eujq1WGnlzU4gBNv3iebclK5c8JAkqq8l1VyEsufq57fwmREEwIAbj12HiaZ8FUJglSLJEFQ68DLuVlYYj0qAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22a7f068cd9406e91b9b05315b26389359649dcd4c9facc711ee6f286e64e19d","last_reissued_at":"2026-05-18T02:03:16.993543Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:16.993543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.0782","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:03:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2d//PY68Vt6pvavALawoBt/AH2VyKHUjdOv09LIxk8ZkvvVNy870niNEXYk80WHg82KLBrmSGocUxV/DoE5SDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T00:26:16.030863Z"},"content_sha256":"6ed3d9c19716d1afabe0450e7ec55428224d640bed1cafb3056e91987f7210e0","schema_version":"1.0","event_id":"sha256:6ed3d9c19716d1afabe0450e7ec55428224d640bed1cafb3056e91987f7210e0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:EKT7A2GNSQDOSG43AUYVWJRYSN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for a merger-revived radio phoenix in MaxBCG J217.95869+13.53470","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Simionescu, G. A. Ogrean, H. Roettgering, J. H. Croston, M. Brueggen, R. van Weeren","submitted_at":"2011-02-03T21:03:08Z","abstract_excerpt":"We use XMM-Newton observations of the galaxy cluster MaxBCG J217.95869+13.53470 to analyze its physical properties and dynamical state. MaxBCG J217.95869+13.53470 is found at a redshift of 0.16, has a mass of ~1x10^14 Msun, and a luminosity of 7.9x10^43 erg/s. The temperature map shows the presence of hot regions towards the north and west of the brightest cluster galaxy (BCG). From the entropy distribution, regions of high entropy match the location of the hot regions; more high entropy regions are found to the west, and ~165 kpc to the southwest of the central AGN. A second X-ray bright gala"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.0782","kind":"arxiv","version":2},"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":"2026-05-18T02:03:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MLtD64viVaI11ZDmSaD46kjIrBrFdGLYqniI4qEPaFXle/n0fnglsstMS8Hdj+syzyyS+l6dM6h/G0GnzhNlAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T00:26:16.031567Z"},"content_sha256":"7d9e8c053bbad19b4d3008b21f5eea4208344bfaaf82a41a0aa67d5b06440ae6","schema_version":"1.0","event_id":"sha256:7d9e8c053bbad19b4d3008b21f5eea4208344bfaaf82a41a0aa67d5b06440ae6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EKT7A2GNSQDOSG43AUYVWJRYSN/bundle.json","state_url":"https://pith.science/pith/EKT7A2GNSQDOSG43AUYVWJRYSN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EKT7A2GNSQDOSG43AUYVWJRYSN/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":"2026-05-30T00:26:16Z","links":{"resolver":"https://pith.science/pith/EKT7A2GNSQDOSG43AUYVWJRYSN","bundle":"https://pith.science/pith/EKT7A2GNSQDOSG43AUYVWJRYSN/bundle.json","state":"https://pith.science/pith/EKT7A2GNSQDOSG43AUYVWJRYSN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EKT7A2GNSQDOSG43AUYVWJRYSN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:EKT7A2GNSQDOSG43AUYVWJRYSN","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":"96b700075e00e5b722e2bf4cf26aea32a23303580428cec4188d925b19e23cb5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-03T21:03:08Z","title_canon_sha256":"6ec6147cb9e29b761dbe1c3b994671d5badde949d37263a6ea68aeb5eae23071"},"schema_version":"1.0","source":{"id":"1102.0782","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.0782","created_at":"2026-05-18T02:03:16Z"},{"alias_kind":"arxiv_version","alias_value":"1102.0782v2","created_at":"2026-05-18T02:03:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.0782","created_at":"2026-05-18T02:03:16Z"},{"alias_kind":"pith_short_12","alias_value":"EKT7A2GNSQDO","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"EKT7A2GNSQDOSG43","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"EKT7A2GN","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:7d9e8c053bbad19b4d3008b21f5eea4208344bfaaf82a41a0aa67d5b06440ae6","target":"graph","created_at":"2026-05-18T02:03:16Z","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":"We use XMM-Newton observations of the galaxy cluster MaxBCG J217.95869+13.53470 to analyze its physical properties and dynamical state. MaxBCG J217.95869+13.53470 is found at a redshift of 0.16, has a mass of ~1x10^14 Msun, and a luminosity of 7.9x10^43 erg/s. The temperature map shows the presence of hot regions towards the north and west of the brightest cluster galaxy (BCG). From the entropy distribution, regions of high entropy match the location of the hot regions; more high entropy regions are found to the west, and ~165 kpc to the southwest of the central AGN. A second X-ray bright gala","authors_text":"A. Simionescu, G. A. Ogrean, H. Roettgering, J. H. Croston, M. Brueggen, R. van Weeren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-03T21:03:08Z","title":"Evidence for a merger-revived radio phoenix in MaxBCG J217.95869+13.53470"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.0782","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":"sha256:6ed3d9c19716d1afabe0450e7ec55428224d640bed1cafb3056e91987f7210e0","target":"record","created_at":"2026-05-18T02:03:16Z","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":"96b700075e00e5b722e2bf4cf26aea32a23303580428cec4188d925b19e23cb5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-02-03T21:03:08Z","title_canon_sha256":"6ec6147cb9e29b761dbe1c3b994671d5badde949d37263a6ea68aeb5eae23071"},"schema_version":"1.0","source":{"id":"1102.0782","kind":"arxiv","version":2}},"canonical_sha256":"22a7f068cd9406e91b9b05315b26389359649dcd4c9facc711ee6f286e64e19d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"22a7f068cd9406e91b9b05315b26389359649dcd4c9facc711ee6f286e64e19d","first_computed_at":"2026-05-18T02:03:16.993543Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:16.993543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Eujq1WGnlzU4gBNv3iebclK5c8JAkqq8l1VyEsufq57fwmREEwIAbj12HiaZ8FUJglSLJEFQ68DLuVlYYj0qAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:16.994250Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.0782","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ed3d9c19716d1afabe0450e7ec55428224d640bed1cafb3056e91987f7210e0","sha256:7d9e8c053bbad19b4d3008b21f5eea4208344bfaaf82a41a0aa67d5b06440ae6"],"state_sha256":"71feeebb16b9181b87c38b4f2c24cef094842d47bf5375ffbdec4eaa2d505a14"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YZbe4Fxxu7F2386soH2+AdN/Qf6OYTofZN8p/wkSbySNfIMyJPOeL7i6hM4KG7FVJo/9VCrU9UNil2CHnl4rBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T00:26:16.035174Z","bundle_sha256":"04dc585ca3655d6fa7be6de39a69546ab7151f50088667dc5aa84d0efd32e194"}}