{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:55VG2X3DYVJOMHRF6TDYEGCV4V","short_pith_number":"pith:55VG2X3D","canonical_record":{"source":{"id":"1303.3286","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-13T20:38:55Z","cross_cats_sorted":[],"title_canon_sha256":"ea930427ee9e3fe7279bfbc40d17a24ad28a6921b52cabcb67c028434107f1be","abstract_canon_sha256":"acaedf1cfad6e3d5527af4cd5dbf2cabe5efefab857bfbcbb832c026f48606eb"},"schema_version":"1.0"},"canonical_sha256":"ef6a6d5f63c552e61e25f4c7821855e553c78594ca8df87a43de7535147f8f10","source":{"kind":"arxiv","id":"1303.3286","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.3286","created_at":"2026-05-18T01:51:07Z"},{"alias_kind":"arxiv_version","alias_value":"1303.3286v1","created_at":"2026-05-18T01:51:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.3286","created_at":"2026-05-18T01:51:07Z"},{"alias_kind":"pith_short_12","alias_value":"55VG2X3DYVJO","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"55VG2X3DYVJOMHRF","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"55VG2X3D","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:55VG2X3DYVJOMHRF6TDYEGCV4V","target":"record","payload":{"canonical_record":{"source":{"id":"1303.3286","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-13T20:38:55Z","cross_cats_sorted":[],"title_canon_sha256":"ea930427ee9e3fe7279bfbc40d17a24ad28a6921b52cabcb67c028434107f1be","abstract_canon_sha256":"acaedf1cfad6e3d5527af4cd5dbf2cabe5efefab857bfbcbb832c026f48606eb"},"schema_version":"1.0"},"canonical_sha256":"ef6a6d5f63c552e61e25f4c7821855e553c78594ca8df87a43de7535147f8f10","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:07.728753Z","signature_b64":"tlOVJYOsDwMZzIpbYxLNTEdFgMUGVwHkl422MJ1vuKrTXhB+pN2Zf06Lcqdf2Zxod2ZThotT0jeM7c1hwqm1Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef6a6d5f63c552e61e25f4c7821855e553c78594ca8df87a43de7535147f8f10","last_reissued_at":"2026-05-18T01:51:07.728252Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:07.728252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.3286","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":"2026-05-18T01:51:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RirfVo3UtDYxAKwqQhsziSQ0nG1twHQMjouzyDANGEKpWfmQMkx2A1J6sJlhTzmB79mwJSeksvwFeeEW2Yo+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:04:03.185050Z"},"content_sha256":"b452e3b6d8131144fd7fcb0a02597ebcb4d31274bbdb87f6ca0c58448ad6de66","schema_version":"1.0","event_id":"sha256:b452e3b6d8131144fd7fcb0a02597ebcb4d31274bbdb87f6ca0c58448ad6de66"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:55VG2X3DYVJOMHRF6TDYEGCV4V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Outskirts of Galaxy Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Etienne Pointecouteau, Holger Israel, Kaustuv Basu, Lorenzo Lovisari, Mauro Roncarelli, Silvano Molendi, Stefano Ettori, Thomas H. Reiprich","submitted_at":"2013-03-13T20:38:55Z","abstract_excerpt":"Until recently, only about 10% of the total intracluster gas volume had been studied with high accuracy, leaving a vast region essentially unexplored. This is now changing and a wide area of hot gas physics and chemistry awaits discovery in galaxy cluster outskirts. Also, robust large-scale total mass profiles and maps are within reach. First observational and theoretical results in this emerging field have been achieved in recent years with sometimes surprising findings. Here, we summarize and illustrate the relevant underlying physical and chemical processes and review the recent progress in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.3286","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":"2026-05-18T01:51:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vPi5mWTYhKzusf8Ryf+VVWedOayjqcgvyG8IbT5YgEFYDTSARJKzsmAeIYUmo5FI34fL0fk+hVOFo/xz6aq3DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:04:03.185753Z"},"content_sha256":"1da8d08e0377d230a9f681f12ab1eb99d498836f85f8e9ba248be0fc1ea742f5","schema_version":"1.0","event_id":"sha256:1da8d08e0377d230a9f681f12ab1eb99d498836f85f8e9ba248be0fc1ea742f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/55VG2X3DYVJOMHRF6TDYEGCV4V/bundle.json","state_url":"https://pith.science/pith/55VG2X3DYVJOMHRF6TDYEGCV4V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/55VG2X3DYVJOMHRF6TDYEGCV4V/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":"2026-05-25T15:04:03Z","links":{"resolver":"https://pith.science/pith/55VG2X3DYVJOMHRF6TDYEGCV4V","bundle":"https://pith.science/pith/55VG2X3DYVJOMHRF6TDYEGCV4V/bundle.json","state":"https://pith.science/pith/55VG2X3DYVJOMHRF6TDYEGCV4V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/55VG2X3DYVJOMHRF6TDYEGCV4V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:55VG2X3DYVJOMHRF6TDYEGCV4V","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":"acaedf1cfad6e3d5527af4cd5dbf2cabe5efefab857bfbcbb832c026f48606eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-13T20:38:55Z","title_canon_sha256":"ea930427ee9e3fe7279bfbc40d17a24ad28a6921b52cabcb67c028434107f1be"},"schema_version":"1.0","source":{"id":"1303.3286","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.3286","created_at":"2026-05-18T01:51:07Z"},{"alias_kind":"arxiv_version","alias_value":"1303.3286v1","created_at":"2026-05-18T01:51:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.3286","created_at":"2026-05-18T01:51:07Z"},{"alias_kind":"pith_short_12","alias_value":"55VG2X3DYVJO","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"55VG2X3DYVJOMHRF","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"55VG2X3D","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:1da8d08e0377d230a9f681f12ab1eb99d498836f85f8e9ba248be0fc1ea742f5","target":"graph","created_at":"2026-05-18T01:51:07Z","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":"Until recently, only about 10% of the total intracluster gas volume had been studied with high accuracy, leaving a vast region essentially unexplored. This is now changing and a wide area of hot gas physics and chemistry awaits discovery in galaxy cluster outskirts. Also, robust large-scale total mass profiles and maps are within reach. First observational and theoretical results in this emerging field have been achieved in recent years with sometimes surprising findings. Here, we summarize and illustrate the relevant underlying physical and chemical processes and review the recent progress in","authors_text":"Etienne Pointecouteau, Holger Israel, Kaustuv Basu, Lorenzo Lovisari, Mauro Roncarelli, Silvano Molendi, Stefano Ettori, Thomas H. Reiprich","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-13T20:38:55Z","title":"Outskirts of Galaxy Clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.3286","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:b452e3b6d8131144fd7fcb0a02597ebcb4d31274bbdb87f6ca0c58448ad6de66","target":"record","created_at":"2026-05-18T01:51:07Z","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":"acaedf1cfad6e3d5527af4cd5dbf2cabe5efefab857bfbcbb832c026f48606eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-13T20:38:55Z","title_canon_sha256":"ea930427ee9e3fe7279bfbc40d17a24ad28a6921b52cabcb67c028434107f1be"},"schema_version":"1.0","source":{"id":"1303.3286","kind":"arxiv","version":1}},"canonical_sha256":"ef6a6d5f63c552e61e25f4c7821855e553c78594ca8df87a43de7535147f8f10","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef6a6d5f63c552e61e25f4c7821855e553c78594ca8df87a43de7535147f8f10","first_computed_at":"2026-05-18T01:51:07.728252Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:07.728252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tlOVJYOsDwMZzIpbYxLNTEdFgMUGVwHkl422MJ1vuKrTXhB+pN2Zf06Lcqdf2Zxod2ZThotT0jeM7c1hwqm1Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:07.728753Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.3286","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b452e3b6d8131144fd7fcb0a02597ebcb4d31274bbdb87f6ca0c58448ad6de66","sha256:1da8d08e0377d230a9f681f12ab1eb99d498836f85f8e9ba248be0fc1ea742f5"],"state_sha256":"83a3d10f4bbd01395f101045e2b0febfdad0dc57da6647b25a7d61cc6e2de55e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YiKRBp06BgsZ4ATr/7n6/CxvB87iWJjSDXIwXkLdnDHArpnu8V1rSlH29nKMfWS1AO/ydg+dtikRQQnkPeGPAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:04:03.189370Z","bundle_sha256":"55c018ed60a544166486cd29d30eeebe1b928c80048b19ff6ef3566c57f055a0"}}