{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:3WFBUQQJALHBBAGF6O6FGWFNIV","short_pith_number":"pith:3WFBUQQJ","canonical_record":{"source":{"id":"0704.0475","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-04-04T08:50:46Z","cross_cats_sorted":[],"title_canon_sha256":"bcd83b8f03fe632bee2e6282acd95e5d693c32373b5b5cf7044c09ebff87244c","abstract_canon_sha256":"a0d3efceb1e27b8bfd294ce84c75bb7dac733725e5877b07518237937df2a014"},"schema_version":"1.0"},"canonical_sha256":"dd8a1a420902ce1080c5f3bc5358ad45429f6f8e07331defee07350e1aa8e2fe","source":{"kind":"arxiv","id":"0704.0475","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0704.0475","created_at":"2026-07-04T17:03:10Z"},{"alias_kind":"arxiv_version","alias_value":"0704.0475v1","created_at":"2026-07-04T17:03:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0704.0475","created_at":"2026-07-04T17:03:10Z"},{"alias_kind":"pith_short_12","alias_value":"3WFBUQQJALHB","created_at":"2026-07-04T17:03:10Z"},{"alias_kind":"pith_short_16","alias_value":"3WFBUQQJALHBBAGF","created_at":"2026-07-04T17:03:10Z"},{"alias_kind":"pith_short_8","alias_value":"3WFBUQQJ","created_at":"2026-07-04T17:03:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:3WFBUQQJALHBBAGF6O6FGWFNIV","target":"record","payload":{"canonical_record":{"source":{"id":"0704.0475","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-04-04T08:50:46Z","cross_cats_sorted":[],"title_canon_sha256":"bcd83b8f03fe632bee2e6282acd95e5d693c32373b5b5cf7044c09ebff87244c","abstract_canon_sha256":"a0d3efceb1e27b8bfd294ce84c75bb7dac733725e5877b07518237937df2a014"},"schema_version":"1.0"},"canonical_sha256":"dd8a1a420902ce1080c5f3bc5358ad45429f6f8e07331defee07350e1aa8e2fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:03:10.827963Z","signature_b64":"YPI/tUY/P8jhnHKVtCBo89Ww0K69rL765J2XfFIFe5HCVMh+D2GdeNmx9zt6UjYtQqZmfB6wYjrvxJ3DYevzAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd8a1a420902ce1080c5f3bc5358ad45429f6f8e07331defee07350e1aa8e2fe","last_reissued_at":"2026-07-04T17:03:10.827604Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:03:10.827604Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0704.0475","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":"2026-07-04T17:03:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VlK8FDL9lPbIYPhuBMIYl9Swown0ZsGy0sNBocj0WmmhlEEyHL3HGpXg1UVKcAZdzWqKYrEaVcDZwAJCR5VWCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T15:53:56.379926Z"},"content_sha256":"09ceb30bc0b9eb002eccb5f9ddf8790f2f6b1f5b3912478ccceaf439a0aac12c","schema_version":"1.0","event_id":"sha256:09ceb30bc0b9eb002eccb5f9ddf8790f2f6b1f5b3912478ccceaf439a0aac12c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:3WFBUQQJALHBBAGF6O6FGWFNIV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Possible non-thermal nature of the soft-excess emission in the cluster of galaxies Sersic 159-03","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J.S. Kaastra, J. Vink, N. Werner, R. Lieu, T. Tamura, Y. Takei","submitted_at":"2007-04-04T08:50:46Z","abstract_excerpt":"We present an analysis of new Suzaku data and archival data from XMM-Newton of the cluster of galaxies Sersic 159-03, which has a strong soft X-ray excess emission component. The Suzaku observation confirms the presence of the soft excess emission, but it does not confirm the presence of redshifted OVII lines in the cluster. Radial profiles and 2D maps derived from XMM-Newton observations show that the soft excess emission has a strong peak at the position of the central cD galaxy and the maps do not show any significant azimuthal variations. Although the soft excess emission can be fitted equ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0704.0475","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/0704.0475/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":"2026-07-04T17:03:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5LanFTNKnCkQQw7VdPRz9ezocOpXId53P0U56VZ73z2bzrceFbnhLH11QDK55w9vuTF+iuCIiKGXTlCIFvHJDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T15:53:56.380324Z"},"content_sha256":"291dc8cb3175bcb2f162e90dae664cad726cc05b3673be6d62fb1f67cdd751d2","schema_version":"1.0","event_id":"sha256:291dc8cb3175bcb2f162e90dae664cad726cc05b3673be6d62fb1f67cdd751d2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3WFBUQQJALHBBAGF6O6FGWFNIV/bundle.json","state_url":"https://pith.science/pith/3WFBUQQJALHBBAGF6O6FGWFNIV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3WFBUQQJALHBBAGF6O6FGWFNIV/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":"2026-07-08T15:53:56Z","links":{"resolver":"https://pith.science/pith/3WFBUQQJALHBBAGF6O6FGWFNIV","bundle":"https://pith.science/pith/3WFBUQQJALHBBAGF6O6FGWFNIV/bundle.json","state":"https://pith.science/pith/3WFBUQQJALHBBAGF6O6FGWFNIV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3WFBUQQJALHBBAGF6O6FGWFNIV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:3WFBUQQJALHBBAGF6O6FGWFNIV","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":"a0d3efceb1e27b8bfd294ce84c75bb7dac733725e5877b07518237937df2a014","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-04-04T08:50:46Z","title_canon_sha256":"bcd83b8f03fe632bee2e6282acd95e5d693c32373b5b5cf7044c09ebff87244c"},"schema_version":"1.0","source":{"id":"0704.0475","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0704.0475","created_at":"2026-07-04T17:03:10Z"},{"alias_kind":"arxiv_version","alias_value":"0704.0475v1","created_at":"2026-07-04T17:03:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0704.0475","created_at":"2026-07-04T17:03:10Z"},{"alias_kind":"pith_short_12","alias_value":"3WFBUQQJALHB","created_at":"2026-07-04T17:03:10Z"},{"alias_kind":"pith_short_16","alias_value":"3WFBUQQJALHBBAGF","created_at":"2026-07-04T17:03:10Z"},{"alias_kind":"pith_short_8","alias_value":"3WFBUQQJ","created_at":"2026-07-04T17:03:10Z"}],"graph_snapshots":[{"event_id":"sha256:291dc8cb3175bcb2f162e90dae664cad726cc05b3673be6d62fb1f67cdd751d2","target":"graph","created_at":"2026-07-04T17:03:10Z","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/0704.0475/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present an analysis of new Suzaku data and archival data from XMM-Newton of the cluster of galaxies Sersic 159-03, which has a strong soft X-ray excess emission component. The Suzaku observation confirms the presence of the soft excess emission, but it does not confirm the presence of redshifted OVII lines in the cluster. Radial profiles and 2D maps derived from XMM-Newton observations show that the soft excess emission has a strong peak at the position of the central cD galaxy and the maps do not show any significant azimuthal variations. Although the soft excess emission can be fitted equ","authors_text":"J.S. Kaastra, J. Vink, N. Werner, R. Lieu, T. Tamura, Y. Takei","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-04-04T08:50:46Z","title":"Possible non-thermal nature of the soft-excess emission in the cluster of galaxies Sersic 159-03"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0704.0475","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":"sha256:09ceb30bc0b9eb002eccb5f9ddf8790f2f6b1f5b3912478ccceaf439a0aac12c","target":"record","created_at":"2026-07-04T17:03:10Z","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":"a0d3efceb1e27b8bfd294ce84c75bb7dac733725e5877b07518237937df2a014","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-04-04T08:50:46Z","title_canon_sha256":"bcd83b8f03fe632bee2e6282acd95e5d693c32373b5b5cf7044c09ebff87244c"},"schema_version":"1.0","source":{"id":"0704.0475","kind":"arxiv","version":1}},"canonical_sha256":"dd8a1a420902ce1080c5f3bc5358ad45429f6f8e07331defee07350e1aa8e2fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd8a1a420902ce1080c5f3bc5358ad45429f6f8e07331defee07350e1aa8e2fe","first_computed_at":"2026-07-04T17:03:10.827604Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:03:10.827604Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YPI/tUY/P8jhnHKVtCBo89Ww0K69rL765J2XfFIFe5HCVMh+D2GdeNmx9zt6UjYtQqZmfB6wYjrvxJ3DYevzAw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:03:10.827963Z","signed_message":"canonical_sha256_bytes"},"source_id":"0704.0475","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09ceb30bc0b9eb002eccb5f9ddf8790f2f6b1f5b3912478ccceaf439a0aac12c","sha256:291dc8cb3175bcb2f162e90dae664cad726cc05b3673be6d62fb1f67cdd751d2"],"state_sha256":"61e8e7675a099106bfcfef805517736565c648bca2b904840b3812531bf9035a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YGmTyf2O51mvLTseW7FKbpgYQ/MKFki5NT2JLmtj0knc/93R+p99ex4R2e5B/i/e62j6ACh/Xy/sKco3qlBTAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T15:53:56.382775Z","bundle_sha256":"f9c8509ea838c930376d71b09db9c0b189b4d1c6da8deaa898d0255f4e4afc14"}}