{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:3FE6KUJ7UW4EQWLQBWNLZTDLPE","short_pith_number":"pith:3FE6KUJ7","canonical_record":{"source":{"id":"astro-ph/0602582","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-02-27T13:21:31Z","cross_cats_sorted":[],"title_canon_sha256":"cace5349d18db0b74c9d3de4582d7960fd9314a49949d03b2bb020e1b2334fef","abstract_canon_sha256":"c0056d40c45ab2c317e168df5fac39085f9d26722272f9c39acfc51cfa57ceb8"},"schema_version":"1.0"},"canonical_sha256":"d949e5513fa5b84859700d9abccc6b7938e57d08c576116472dfb5e5a24fab1d","source":{"kind":"arxiv","id":"astro-ph/0602582","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0602582","created_at":"2026-07-04T14:53:04Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0602582v1","created_at":"2026-07-04T14:53:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0602582","created_at":"2026-07-04T14:53:04Z"},{"alias_kind":"pith_short_12","alias_value":"3FE6KUJ7UW4E","created_at":"2026-07-04T14:53:04Z"},{"alias_kind":"pith_short_16","alias_value":"3FE6KUJ7UW4EQWLQ","created_at":"2026-07-04T14:53:04Z"},{"alias_kind":"pith_short_8","alias_value":"3FE6KUJ7","created_at":"2026-07-04T14:53:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:3FE6KUJ7UW4EQWLQBWNLZTDLPE","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0602582","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-02-27T13:21:31Z","cross_cats_sorted":[],"title_canon_sha256":"cace5349d18db0b74c9d3de4582d7960fd9314a49949d03b2bb020e1b2334fef","abstract_canon_sha256":"c0056d40c45ab2c317e168df5fac39085f9d26722272f9c39acfc51cfa57ceb8"},"schema_version":"1.0"},"canonical_sha256":"d949e5513fa5b84859700d9abccc6b7938e57d08c576116472dfb5e5a24fab1d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:53:04.792048Z","signature_b64":"oOQcMI361WtgVQZ8yyFN4d84HH9p3XKUWbEhx5q/1aulfN+H4lzLEzOzc3CWhb0mkhSjtjBsnzWczd//b5CCBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d949e5513fa5b84859700d9abccc6b7938e57d08c576116472dfb5e5a24fab1d","last_reissued_at":"2026-07-04T14:53:04.791690Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:53:04.791690Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0602582","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":"2026-07-04T14:53:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RCIwJ3xxSu7hBBvMZocXuQyAaZ/CgJj92BT2ZFopbY9BHr8xJzzKuclY7MmOEuF8y9wR7EepdujFXpeGN99pAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:09:46.673764Z"},"content_sha256":"99bd2129e50c702880c936fb60f30ea11b270f09412b07b24deb6c97f66091f6","schema_version":"1.0","event_id":"sha256:99bd2129e50c702880c936fb60f30ea11b270f09412b07b24deb6c97f66091f6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:3FE6KUJ7UW4EQWLQBWNLZTDLPE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chemical evolution in Sersic 159-03 observed with XMM-Newton","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. M. Bykov, J. A. M. Bleeker, J. de Plaa, J. R. Peterson, J. S. Kaastra, J. Vink, M. Bonamente, M. Mendez, N. Werner","submitted_at":"2006-02-27T13:21:31Z","abstract_excerpt":"Using a new long X-ray observation of the cluster of galaxies Sersic 159-03 with XMM-Newton, we derive radial temperature and abundance profiles using single- and multi-temperature models. The fits to the EPIC and RGS spectra prefer multi-temperature models especially in the core. The radial profiles of oxygen and iron measured with EPIC/RGS and the line profiles in RGS suggest that there is a dip in the O/Fe ratio in the centre of the cluster compared to its immediate surroundings. A possible explanation for the large scale metallicity distribution is that SNIa and SNII products are released "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0602582","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/0602582/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":"2026-07-04T14:53:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HDIHCGss4L2Aiw4YBfb8wUxAApLw2A5uwB6y7IsgxiLErj+i6qm9Z5VWws7vqjMNGyfMNpcx8a5Z5tVUTh5/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:09:46.674141Z"},"content_sha256":"e72a30f6946de8acdbed9bbdd3ba9dc8c6e97ebac5c3729637fb1646639345de","schema_version":"1.0","event_id":"sha256:e72a30f6946de8acdbed9bbdd3ba9dc8c6e97ebac5c3729637fb1646639345de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3FE6KUJ7UW4EQWLQBWNLZTDLPE/bundle.json","state_url":"https://pith.science/pith/3FE6KUJ7UW4EQWLQBWNLZTDLPE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3FE6KUJ7UW4EQWLQBWNLZTDLPE/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":"2026-07-07T13:09:46Z","links":{"resolver":"https://pith.science/pith/3FE6KUJ7UW4EQWLQBWNLZTDLPE","bundle":"https://pith.science/pith/3FE6KUJ7UW4EQWLQBWNLZTDLPE/bundle.json","state":"https://pith.science/pith/3FE6KUJ7UW4EQWLQBWNLZTDLPE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3FE6KUJ7UW4EQWLQBWNLZTDLPE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:3FE6KUJ7UW4EQWLQBWNLZTDLPE","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":"c0056d40c45ab2c317e168df5fac39085f9d26722272f9c39acfc51cfa57ceb8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-02-27T13:21:31Z","title_canon_sha256":"cace5349d18db0b74c9d3de4582d7960fd9314a49949d03b2bb020e1b2334fef"},"schema_version":"1.0","source":{"id":"astro-ph/0602582","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0602582","created_at":"2026-07-04T14:53:04Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0602582v1","created_at":"2026-07-04T14:53:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0602582","created_at":"2026-07-04T14:53:04Z"},{"alias_kind":"pith_short_12","alias_value":"3FE6KUJ7UW4E","created_at":"2026-07-04T14:53:04Z"},{"alias_kind":"pith_short_16","alias_value":"3FE6KUJ7UW4EQWLQ","created_at":"2026-07-04T14:53:04Z"},{"alias_kind":"pith_short_8","alias_value":"3FE6KUJ7","created_at":"2026-07-04T14:53:04Z"}],"graph_snapshots":[{"event_id":"sha256:e72a30f6946de8acdbed9bbdd3ba9dc8c6e97ebac5c3729637fb1646639345de","target":"graph","created_at":"2026-07-04T14:53:04Z","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/0602582/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using a new long X-ray observation of the cluster of galaxies Sersic 159-03 with XMM-Newton, we derive radial temperature and abundance profiles using single- and multi-temperature models. The fits to the EPIC and RGS spectra prefer multi-temperature models especially in the core. The radial profiles of oxygen and iron measured with EPIC/RGS and the line profiles in RGS suggest that there is a dip in the O/Fe ratio in the centre of the cluster compared to its immediate surroundings. A possible explanation for the large scale metallicity distribution is that SNIa and SNII products are released ","authors_text":"A. M. Bykov, J. A. M. Bleeker, J. de Plaa, J. R. Peterson, J. S. Kaastra, J. Vink, M. Bonamente, M. Mendez, N. Werner","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-02-27T13:21:31Z","title":"Chemical evolution in Sersic 159-03 observed with XMM-Newton"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0602582","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":"sha256:99bd2129e50c702880c936fb60f30ea11b270f09412b07b24deb6c97f66091f6","target":"record","created_at":"2026-07-04T14:53:04Z","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":"c0056d40c45ab2c317e168df5fac39085f9d26722272f9c39acfc51cfa57ceb8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-02-27T13:21:31Z","title_canon_sha256":"cace5349d18db0b74c9d3de4582d7960fd9314a49949d03b2bb020e1b2334fef"},"schema_version":"1.0","source":{"id":"astro-ph/0602582","kind":"arxiv","version":1}},"canonical_sha256":"d949e5513fa5b84859700d9abccc6b7938e57d08c576116472dfb5e5a24fab1d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d949e5513fa5b84859700d9abccc6b7938e57d08c576116472dfb5e5a24fab1d","first_computed_at":"2026-07-04T14:53:04.791690Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:53:04.791690Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oOQcMI361WtgVQZ8yyFN4d84HH9p3XKUWbEhx5q/1aulfN+H4lzLEzOzc3CWhb0mkhSjtjBsnzWczd//b5CCBg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:53:04.792048Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0602582","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99bd2129e50c702880c936fb60f30ea11b270f09412b07b24deb6c97f66091f6","sha256:e72a30f6946de8acdbed9bbdd3ba9dc8c6e97ebac5c3729637fb1646639345de"],"state_sha256":"bc09e0a0f9a71f91627b74888be7e5f4bb1ed1ea009be6d563b46d5cb3d1d975"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D8v7Z0QTwE38vUfnuCXFtvgNvPFsvYekL1Oc7r8fTlzbIkohQXbU6vm6bgDuI0lHmKGGcEb5QFn0Wdhf8SApDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:09:46.676098Z","bundle_sha256":"d7e5204219ec8200d91c43066cacd0939b0c6da8631c95dcd4a500dff131988b"}}