{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:HXUP6ORBFL6BXENJ3CJYR5AHL5","short_pith_number":"pith:HXUP6ORB","canonical_record":{"source":{"id":"1602.08402","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-02-26T17:12:45Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"57570cf620ede39bc4767ff752b9cad09f6efccdcdd13166fc029c545af9ba44","abstract_canon_sha256":"20365baa83333837dfc1c450592dbe41e7cee5671c7de34881b3a4dcb022ddc9"},"schema_version":"1.0"},"canonical_sha256":"3de8ff3a212afc1b91a9d89388f4075f64b8c276752640ed63a33db1a79cb422","source":{"kind":"arxiv","id":"1602.08402","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.08402","created_at":"2026-05-18T01:19:56Z"},{"alias_kind":"arxiv_version","alias_value":"1602.08402v1","created_at":"2026-05-18T01:19:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.08402","created_at":"2026-05-18T01:19:56Z"},{"alias_kind":"pith_short_12","alias_value":"HXUP6ORBFL6B","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"HXUP6ORBFL6BXENJ","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"HXUP6ORB","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:HXUP6ORBFL6BXENJ3CJYR5AHL5","target":"record","payload":{"canonical_record":{"source":{"id":"1602.08402","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-02-26T17:12:45Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"57570cf620ede39bc4767ff752b9cad09f6efccdcdd13166fc029c545af9ba44","abstract_canon_sha256":"20365baa83333837dfc1c450592dbe41e7cee5671c7de34881b3a4dcb022ddc9"},"schema_version":"1.0"},"canonical_sha256":"3de8ff3a212afc1b91a9d89388f4075f64b8c276752640ed63a33db1a79cb422","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:56.144369Z","signature_b64":"D+Tzw3Wv82EDsdY8yaD+rhXF/CVNlaMk/+PJhteJHc01uruA1nzx4jLFA0QqSe78fkKXuKvEgfFtb7vZ5sHpBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3de8ff3a212afc1b91a9d89388f4075f64b8c276752640ed63a33db1a79cb422","last_reissued_at":"2026-05-18T01:19:56.143710Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:56.143710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.08402","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":"2026-05-18T01:19:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8tJx70/0hepdLuOEJ/qI9p4/h0/CZ/V9fAes4InQEcl1EykAa1cUM8bpmVsVXVe2iB9hZWekBSJ3qn5vgu5PBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:00:33.069848Z"},"content_sha256":"f46abeaf2e7e34537d0bd028609741a4e7487f4f1d2f7cc7ec649a481e542179","schema_version":"1.0","event_id":"sha256:f46abeaf2e7e34537d0bd028609741a4e7487f4f1d2f7cc7ec649a481e542179"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:HXUP6ORBFL6BXENJ3CJYR5AHL5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A comprehensive analysis of the hard X-ray spectra of bright Seyfert galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"A. A. Zdziarski, C. Ricci, I.E. Papadakis, L. Gibaud, M. T\\\"urler, P. Lubinski, R. Walter, S. Paltani, S. Soldi, V. Beckmann","submitted_at":"2016-02-26T17:12:45Z","abstract_excerpt":"Hard X-ray spectra of 28 bright Seyfert galaxies observed with INTEGRAL were analyzed together with the X-ray spectra from XMM-Newton, Suzaku and RXTE. These broad-band data were fitted with a model assuming a thermal Comptonization as a primary continuum component. We tested several model options through a fitting of the Comptonized continuum accompanied by a complex absorption and a Compton reflection. Both the large data set used and the model space explored allowed us to accurately determine a mean temperature kTe of the electron plasma, the Compton parameter y and the Compton reflection s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.08402","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":"2026-05-18T01:19:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VoDjlte26mzShxXofR27WUTM9PW2qkJ8saOWRlnpaUEJ9pkof2/vQ4xApW8wv6gqEN1p8UCNHEAqFr6BnCa8Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:00:33.070208Z"},"content_sha256":"d40be5abd067bbd1a4e36eebcf632f6646db6c5751efe822619ef922dbf741da","schema_version":"1.0","event_id":"sha256:d40be5abd067bbd1a4e36eebcf632f6646db6c5751efe822619ef922dbf741da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HXUP6ORBFL6BXENJ3CJYR5AHL5/bundle.json","state_url":"https://pith.science/pith/HXUP6ORBFL6BXENJ3CJYR5AHL5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HXUP6ORBFL6BXENJ3CJYR5AHL5/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":"2026-05-26T21:00:33Z","links":{"resolver":"https://pith.science/pith/HXUP6ORBFL6BXENJ3CJYR5AHL5","bundle":"https://pith.science/pith/HXUP6ORBFL6BXENJ3CJYR5AHL5/bundle.json","state":"https://pith.science/pith/HXUP6ORBFL6BXENJ3CJYR5AHL5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HXUP6ORBFL6BXENJ3CJYR5AHL5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:HXUP6ORBFL6BXENJ3CJYR5AHL5","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":"20365baa83333837dfc1c450592dbe41e7cee5671c7de34881b3a4dcb022ddc9","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-02-26T17:12:45Z","title_canon_sha256":"57570cf620ede39bc4767ff752b9cad09f6efccdcdd13166fc029c545af9ba44"},"schema_version":"1.0","source":{"id":"1602.08402","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.08402","created_at":"2026-05-18T01:19:56Z"},{"alias_kind":"arxiv_version","alias_value":"1602.08402v1","created_at":"2026-05-18T01:19:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.08402","created_at":"2026-05-18T01:19:56Z"},{"alias_kind":"pith_short_12","alias_value":"HXUP6ORBFL6B","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"HXUP6ORBFL6BXENJ","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"HXUP6ORB","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:d40be5abd067bbd1a4e36eebcf632f6646db6c5751efe822619ef922dbf741da","target":"graph","created_at":"2026-05-18T01:19:56Z","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":"Hard X-ray spectra of 28 bright Seyfert galaxies observed with INTEGRAL were analyzed together with the X-ray spectra from XMM-Newton, Suzaku and RXTE. These broad-band data were fitted with a model assuming a thermal Comptonization as a primary continuum component. We tested several model options through a fitting of the Comptonized continuum accompanied by a complex absorption and a Compton reflection. Both the large data set used and the model space explored allowed us to accurately determine a mean temperature kTe of the electron plasma, the Compton parameter y and the Compton reflection s","authors_text":"A. A. Zdziarski, C. Ricci, I.E. Papadakis, L. Gibaud, M. T\\\"urler, P. Lubinski, R. Walter, S. Paltani, S. Soldi, V. Beckmann","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-02-26T17:12:45Z","title":"A comprehensive analysis of the hard X-ray spectra of bright Seyfert galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.08402","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:f46abeaf2e7e34537d0bd028609741a4e7487f4f1d2f7cc7ec649a481e542179","target":"record","created_at":"2026-05-18T01:19:56Z","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":"20365baa83333837dfc1c450592dbe41e7cee5671c7de34881b3a4dcb022ddc9","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-02-26T17:12:45Z","title_canon_sha256":"57570cf620ede39bc4767ff752b9cad09f6efccdcdd13166fc029c545af9ba44"},"schema_version":"1.0","source":{"id":"1602.08402","kind":"arxiv","version":1}},"canonical_sha256":"3de8ff3a212afc1b91a9d89388f4075f64b8c276752640ed63a33db1a79cb422","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3de8ff3a212afc1b91a9d89388f4075f64b8c276752640ed63a33db1a79cb422","first_computed_at":"2026-05-18T01:19:56.143710Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:56.143710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D+Tzw3Wv82EDsdY8yaD+rhXF/CVNlaMk/+PJhteJHc01uruA1nzx4jLFA0QqSe78fkKXuKvEgfFtb7vZ5sHpBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:56.144369Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.08402","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f46abeaf2e7e34537d0bd028609741a4e7487f4f1d2f7cc7ec649a481e542179","sha256:d40be5abd067bbd1a4e36eebcf632f6646db6c5751efe822619ef922dbf741da"],"state_sha256":"7878bd248c72d89c2b62b5ada768d6ae402e92370f511f8d34c33a6e0827bc58"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XLAEa2e0c2LpeiDl2GrIzCKCYSTkp8SLxD6MHfd/UxxSsxRbfPpnToKRmYBl8BXtCwGDfh68mw51d8bpOFk1Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:00:33.072661Z","bundle_sha256":"c8225ac39c44053aa1225d32b78c6142a53f551cbe13797a06596b1752dd9177"}}