{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:TR5LDLZ2CJWNPL7SX2IPZLUMNN","short_pith_number":"pith:TR5LDLZ2","canonical_record":{"source":{"id":"astro-ph/0210684","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-10-31T14:18:37Z","cross_cats_sorted":[],"title_canon_sha256":"1b04334a14e5d6d132adb0a2be7b1d1ab244b18d6784f31a6d850f4aa3402c71","abstract_canon_sha256":"d32995c20da269f3f6c2d87a2204a79c759d7f93bfd1f2d13ff48d7e86881067"},"schema_version":"1.0"},"canonical_sha256":"9c7ab1af3a126cd7aff2be90fcae8c6b5431ec2bf5b3b28afbc054afe9a9acc1","source":{"kind":"arxiv","id":"astro-ph/0210684","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0210684","created_at":"2026-07-04T16:31:04Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0210684v1","created_at":"2026-07-04T16:31:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0210684","created_at":"2026-07-04T16:31:04Z"},{"alias_kind":"pith_short_12","alias_value":"TR5LDLZ2CJWN","created_at":"2026-07-04T16:31:04Z"},{"alias_kind":"pith_short_16","alias_value":"TR5LDLZ2CJWNPL7S","created_at":"2026-07-04T16:31:04Z"},{"alias_kind":"pith_short_8","alias_value":"TR5LDLZ2","created_at":"2026-07-04T16:31:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:TR5LDLZ2CJWNPL7SX2IPZLUMNN","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0210684","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-10-31T14:18:37Z","cross_cats_sorted":[],"title_canon_sha256":"1b04334a14e5d6d132adb0a2be7b1d1ab244b18d6784f31a6d850f4aa3402c71","abstract_canon_sha256":"d32995c20da269f3f6c2d87a2204a79c759d7f93bfd1f2d13ff48d7e86881067"},"schema_version":"1.0"},"canonical_sha256":"9c7ab1af3a126cd7aff2be90fcae8c6b5431ec2bf5b3b28afbc054afe9a9acc1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:31:04.240751Z","signature_b64":"8ObcYcy16BNOC6yq/nuHNzHMe+lK1elgSN6Uzqm8yFCnC5RMUCJIEk4qXUGfHxC24UJUSI/1UYPhVNRUiIJAAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c7ab1af3a126cd7aff2be90fcae8c6b5431ec2bf5b3b28afbc054afe9a9acc1","last_reissued_at":"2026-07-04T16:31:04.240309Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:31:04.240309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0210684","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":"2026-07-04T16:31:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fO7nDPWlthW+H61z5WGg8hdMxfLkmY7BHKmyGBG6PFDSiwjdYQbr2U90y576QWIh0HRurz3G5Jl6cnWfX+sbDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:15:31.558577Z"},"content_sha256":"7c38a7762efa1e442f646b6b7e5b42cbadd7d23b11a7e2f62bcaffb38c74c1fa","schema_version":"1.0","event_id":"sha256:7c38a7762efa1e442f646b6b7e5b42cbadd7d23b11a7e2f62bcaffb38c74c1fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:TR5LDLZ2CJWNPL7SX2IPZLUMNN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"XMM-Newton confirmation of Soft X-ray excess emission in clusters of galaxies - the discovery of O VII emission from an extended warm baryonic component","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"F.B.S. Paerels, J.S. Kaastra, J.W. den Herder, R. Lieu, T. Tamura","submitted_at":"2002-10-31T14:18:37Z","abstract_excerpt":"We investigate a sample of 14 clusters of galaxies observed with XMM-Newton in a search for soft X-ray excess emission. In five of these clusters a significant soft excess is evident. This soft X-ray excess is compared with the thermal emission from both the hot intracluster gas and any cooling (flow) gas that may be present. A warm (kT=0.2 keV), extended (several Mpc), plasma component is particularly clear in the outer parts of the cluster, where the normal cluster X-ray emission is weak. This warm component causes both a thermal soft X-ray excess at low energies (below 0.4-0.5 keV), as well"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0210684","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0210684/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:31:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O9ARqdUcZtKjSAwUQ9qD5gPngsmw9erXi1hXWIILU++5ClZBWaRef7mtgSJGUINBHBHsmYPVTCupjgFC834sBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:15:31.559100Z"},"content_sha256":"34b5c890b8975e5cdd3b1a161f75bc33233ddfe676ad453359738c4bbb88d259","schema_version":"1.0","event_id":"sha256:34b5c890b8975e5cdd3b1a161f75bc33233ddfe676ad453359738c4bbb88d259"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TR5LDLZ2CJWNPL7SX2IPZLUMNN/bundle.json","state_url":"https://pith.science/pith/TR5LDLZ2CJWNPL7SX2IPZLUMNN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TR5LDLZ2CJWNPL7SX2IPZLUMNN/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":"2026-08-07T08:15:31Z","links":{"resolver":"https://pith.science/pith/TR5LDLZ2CJWNPL7SX2IPZLUMNN","bundle":"https://pith.science/pith/TR5LDLZ2CJWNPL7SX2IPZLUMNN/bundle.json","state":"https://pith.science/pith/TR5LDLZ2CJWNPL7SX2IPZLUMNN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TR5LDLZ2CJWNPL7SX2IPZLUMNN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:TR5LDLZ2CJWNPL7SX2IPZLUMNN","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":"d32995c20da269f3f6c2d87a2204a79c759d7f93bfd1f2d13ff48d7e86881067","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-10-31T14:18:37Z","title_canon_sha256":"1b04334a14e5d6d132adb0a2be7b1d1ab244b18d6784f31a6d850f4aa3402c71"},"schema_version":"1.0","source":{"id":"astro-ph/0210684","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0210684","created_at":"2026-07-04T16:31:04Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0210684v1","created_at":"2026-07-04T16:31:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0210684","created_at":"2026-07-04T16:31:04Z"},{"alias_kind":"pith_short_12","alias_value":"TR5LDLZ2CJWN","created_at":"2026-07-04T16:31:04Z"},{"alias_kind":"pith_short_16","alias_value":"TR5LDLZ2CJWNPL7S","created_at":"2026-07-04T16:31:04Z"},{"alias_kind":"pith_short_8","alias_value":"TR5LDLZ2","created_at":"2026-07-04T16:31:04Z"}],"graph_snapshots":[{"event_id":"sha256:34b5c890b8975e5cdd3b1a161f75bc33233ddfe676ad453359738c4bbb88d259","target":"graph","created_at":"2026-07-04T16:31:04Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0210684/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate a sample of 14 clusters of galaxies observed with XMM-Newton in a search for soft X-ray excess emission. In five of these clusters a significant soft excess is evident. This soft X-ray excess is compared with the thermal emission from both the hot intracluster gas and any cooling (flow) gas that may be present. A warm (kT=0.2 keV), extended (several Mpc), plasma component is particularly clear in the outer parts of the cluster, where the normal cluster X-ray emission is weak. This warm component causes both a thermal soft X-ray excess at low energies (below 0.4-0.5 keV), as well","authors_text":"F.B.S. Paerels, J.S. Kaastra, J.W. den Herder, R. Lieu, T. Tamura","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-10-31T14:18:37Z","title":"XMM-Newton confirmation of Soft X-ray excess emission in clusters of galaxies - the discovery of O VII emission from an extended warm baryonic component"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0210684","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":"sha256:7c38a7762efa1e442f646b6b7e5b42cbadd7d23b11a7e2f62bcaffb38c74c1fa","target":"record","created_at":"2026-07-04T16:31:04Z","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":"d32995c20da269f3f6c2d87a2204a79c759d7f93bfd1f2d13ff48d7e86881067","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-10-31T14:18:37Z","title_canon_sha256":"1b04334a14e5d6d132adb0a2be7b1d1ab244b18d6784f31a6d850f4aa3402c71"},"schema_version":"1.0","source":{"id":"astro-ph/0210684","kind":"arxiv","version":1}},"canonical_sha256":"9c7ab1af3a126cd7aff2be90fcae8c6b5431ec2bf5b3b28afbc054afe9a9acc1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c7ab1af3a126cd7aff2be90fcae8c6b5431ec2bf5b3b28afbc054afe9a9acc1","first_computed_at":"2026-07-04T16:31:04.240309Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:31:04.240309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8ObcYcy16BNOC6yq/nuHNzHMe+lK1elgSN6Uzqm8yFCnC5RMUCJIEk4qXUGfHxC24UJUSI/1UYPhVNRUiIJAAA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:31:04.240751Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0210684","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c38a7762efa1e442f646b6b7e5b42cbadd7d23b11a7e2f62bcaffb38c74c1fa","sha256:34b5c890b8975e5cdd3b1a161f75bc33233ddfe676ad453359738c4bbb88d259"],"state_sha256":"8c65395014077ae923321c892cd1836466efb355de4e0f80ba562be56594eb83"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"//ovue7Iw/201+UgsPuFqD/ib+7f6jMKI1GOyBy/MWZZ87l0cbS5vZZ+Eizlyk4QYfMsPU27UhLods6+Yc6LBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T08:15:31.564635Z","bundle_sha256":"e8085f9656a3f716661705dcd73711ff07cf4c306b953d0e10c9f115bd846487"}}