{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:MLQZENPLHW2E3KFLSFYOHJ4XZK","short_pith_number":"pith:MLQZENPL","canonical_record":{"source":{"id":"astro-ph/0206095","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-06-06T12:17:49Z","cross_cats_sorted":[],"title_canon_sha256":"eb6b995a6211e4bf6bac62686f00d1ded523b2356fcb5595e66308746d45a20d","abstract_canon_sha256":"3a4d26bd90d6fa9a00cf05d8c710d06fe0b92dad8f2c99cef80804823247c15e"},"schema_version":"1.0"},"canonical_sha256":"62e19235eb3db44da8ab9170e3a797cab21897cfb2d65df505251570f43550ba","source":{"kind":"arxiv","id":"astro-ph/0206095","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0206095","created_at":"2026-07-04T16:30:09Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0206095v1","created_at":"2026-07-04T16:30:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0206095","created_at":"2026-07-04T16:30:09Z"},{"alias_kind":"pith_short_12","alias_value":"MLQZENPLHW2E","created_at":"2026-07-04T16:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"MLQZENPLHW2E3KFL","created_at":"2026-07-04T16:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"MLQZENPL","created_at":"2026-07-04T16:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:MLQZENPLHW2E3KFLSFYOHJ4XZK","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0206095","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-06-06T12:17:49Z","cross_cats_sorted":[],"title_canon_sha256":"eb6b995a6211e4bf6bac62686f00d1ded523b2356fcb5595e66308746d45a20d","abstract_canon_sha256":"3a4d26bd90d6fa9a00cf05d8c710d06fe0b92dad8f2c99cef80804823247c15e"},"schema_version":"1.0"},"canonical_sha256":"62e19235eb3db44da8ab9170e3a797cab21897cfb2d65df505251570f43550ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:30:09.272094Z","signature_b64":"SGb7WG1a8xQ1YR6vXfA+YxG6/nhx/yltheerlKUt+uuEVektjXJg9Pog1csuyRf7gd43YzG98sKbQR+D73bsBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62e19235eb3db44da8ab9170e3a797cab21897cfb2d65df505251570f43550ba","last_reissued_at":"2026-07-04T16:30:09.271607Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:30:09.271607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0206095","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":"2026-07-04T16:30:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4jIkfsmJaRKflkQJc9ziOvvdx9XzbuA4q/4o1K9eT8CoyPv0T/0a4NRr2dp+F+ef7M/WCeJz9nybdsqNGRKpAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:01:25.669136Z"},"content_sha256":"08333f83f00a9e8af0baa011985560d7332d946886af015ffc8b489821206f23","schema_version":"1.0","event_id":"sha256:08333f83f00a9e8af0baa011985560d7332d946886af015ffc8b489821206f23"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:MLQZENPLHW2E3KFLSFYOHJ4XZK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A long hard look at MCG-6-30-15 with XMM-Newton","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) NASA/GSFC, 3), (3) USRA, (4) MIT, 5), (5) IASF/CNR, (6) University of Maryland), A. C. Fabian (1), A. De Rosa (1, A. J. Young (6) ((1) IoA, A. Turner (1), Cambridge, D. R. Ballantyne (1), J. C. Lee (4), K. Iwasawa (1), K. Nandra (2, S. Vaughan (1)","submitted_at":"2002-06-06T12:17:49Z","abstract_excerpt":"We present first results from a 325 ks observation of the Seyfert 1 galaxy MCG-6-30-15 with XMM-Newton and BeppoSAX. The strong, broad, skewed iron line is clearly detected and is well characterised by a steep emissivity profile within 6r_g (i.e. 6GM/c^2) and a flatter profile beyond. The inner radius of the emission appears to lie at about 2r_g, consistent with results reported from both an earlier XMM-Newton observation of MCG-6-30-15 by Wilms et al. and part of an ASCA observation by Iwasawa et al. when the source was in a lower flux state. The radius and steep emissivity profile do depend "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0206095","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/0206095/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":"2026-07-04T16:30:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zpSTp6rWJQcTljVhscQ/8RzBkTZ49t24VjWx0UzFNIchrIcB0Ct9U0OUW+x2GqpodDyR3Twr13loE1Dk3nyEAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:01:25.669633Z"},"content_sha256":"a27d33c3efaf37da542f96662658912ba30eaa132443bdc9ae27b3eeb531b68b","schema_version":"1.0","event_id":"sha256:a27d33c3efaf37da542f96662658912ba30eaa132443bdc9ae27b3eeb531b68b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MLQZENPLHW2E3KFLSFYOHJ4XZK/bundle.json","state_url":"https://pith.science/pith/MLQZENPLHW2E3KFLSFYOHJ4XZK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MLQZENPLHW2E3KFLSFYOHJ4XZK/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":"2026-08-03T19:01:25Z","links":{"resolver":"https://pith.science/pith/MLQZENPLHW2E3KFLSFYOHJ4XZK","bundle":"https://pith.science/pith/MLQZENPLHW2E3KFLSFYOHJ4XZK/bundle.json","state":"https://pith.science/pith/MLQZENPLHW2E3KFLSFYOHJ4XZK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MLQZENPLHW2E3KFLSFYOHJ4XZK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:MLQZENPLHW2E3KFLSFYOHJ4XZK","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":"3a4d26bd90d6fa9a00cf05d8c710d06fe0b92dad8f2c99cef80804823247c15e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-06-06T12:17:49Z","title_canon_sha256":"eb6b995a6211e4bf6bac62686f00d1ded523b2356fcb5595e66308746d45a20d"},"schema_version":"1.0","source":{"id":"astro-ph/0206095","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0206095","created_at":"2026-07-04T16:30:09Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0206095v1","created_at":"2026-07-04T16:30:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0206095","created_at":"2026-07-04T16:30:09Z"},{"alias_kind":"pith_short_12","alias_value":"MLQZENPLHW2E","created_at":"2026-07-04T16:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"MLQZENPLHW2E3KFL","created_at":"2026-07-04T16:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"MLQZENPL","created_at":"2026-07-04T16:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:a27d33c3efaf37da542f96662658912ba30eaa132443bdc9ae27b3eeb531b68b","target":"graph","created_at":"2026-07-04T16:30:09Z","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/0206095/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present first results from a 325 ks observation of the Seyfert 1 galaxy MCG-6-30-15 with XMM-Newton and BeppoSAX. The strong, broad, skewed iron line is clearly detected and is well characterised by a steep emissivity profile within 6r_g (i.e. 6GM/c^2) and a flatter profile beyond. The inner radius of the emission appears to lie at about 2r_g, consistent with results reported from both an earlier XMM-Newton observation of MCG-6-30-15 by Wilms et al. and part of an ASCA observation by Iwasawa et al. when the source was in a lower flux state. The radius and steep emissivity profile do depend ","authors_text":"(2) NASA/GSFC, 3), (3) USRA, (4) MIT, 5), (5) IASF/CNR, (6) University of Maryland), A. C. Fabian (1), A. De Rosa (1, A. J. Young (6) ((1) IoA, A. Turner (1), Cambridge, D. R. Ballantyne (1), J. C. Lee (4), K. Iwasawa (1), K. Nandra (2, S. Vaughan (1)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-06-06T12:17:49Z","title":"A long hard look at MCG-6-30-15 with XMM-Newton"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0206095","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":"sha256:08333f83f00a9e8af0baa011985560d7332d946886af015ffc8b489821206f23","target":"record","created_at":"2026-07-04T16:30:09Z","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":"3a4d26bd90d6fa9a00cf05d8c710d06fe0b92dad8f2c99cef80804823247c15e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-06-06T12:17:49Z","title_canon_sha256":"eb6b995a6211e4bf6bac62686f00d1ded523b2356fcb5595e66308746d45a20d"},"schema_version":"1.0","source":{"id":"astro-ph/0206095","kind":"arxiv","version":1}},"canonical_sha256":"62e19235eb3db44da8ab9170e3a797cab21897cfb2d65df505251570f43550ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"62e19235eb3db44da8ab9170e3a797cab21897cfb2d65df505251570f43550ba","first_computed_at":"2026-07-04T16:30:09.271607Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:30:09.271607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SGb7WG1a8xQ1YR6vXfA+YxG6/nhx/yltheerlKUt+uuEVektjXJg9Pog1csuyRf7gd43YzG98sKbQR+D73bsBw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:30:09.272094Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0206095","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08333f83f00a9e8af0baa011985560d7332d946886af015ffc8b489821206f23","sha256:a27d33c3efaf37da542f96662658912ba30eaa132443bdc9ae27b3eeb531b68b"],"state_sha256":"de84db4b62ae49039753d6840f8b97340bb41644c169f4e5fcd2ff302b9dedad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6ALADoYVcsrNREsvMg7fBL5CEsy+YXG/gbOBki/QFwuYQi1nYeEa/5C3FXhHdBJX0YtFpYFsXjdidhwkuUa+CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T19:01:25.673566Z","bundle_sha256":"c00ebd5105acd2f77d19a00a93cfe050c101d6d69b0d71546cb243fd3bc77d3d"}}