{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:NHUBE4S5JQNWZSINELXAEV6WBO","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":"62091496717e17dd7060afbac9bde6c97c34020a5e9cd8275d1d680489f02465","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-11-12T08:59:09Z","title_canon_sha256":"a4717f6731e237cbabbc9a7e26b0365ff562fed59cdf93968f0a17370f35c214"},"schema_version":"1.0","source":{"id":"astro-ph/0211237","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0211237","created_at":"2026-07-04T16:31:08Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0211237v1","created_at":"2026-07-04T16:31:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0211237","created_at":"2026-07-04T16:31:08Z"},{"alias_kind":"pith_short_12","alias_value":"NHUBE4S5JQNW","created_at":"2026-07-04T16:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"NHUBE4S5JQNWZSIN","created_at":"2026-07-04T16:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"NHUBE4S5","created_at":"2026-07-04T16:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:6e4dae7eefaaa03d665f6da592045d4b56d8d6b4e474f746e75dc82c294eb731","target":"graph","created_at":"2026-07-04T16:31:08Z","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/0211237/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the XMM-Newton observation of the merging system IRAS 19254-7245, also known as The Superantennae, whose southern nucleus is classified as a Seyfert 2 galaxy. The XMM-Newton data have allowed us to perform a detailed X-ray imaging and spectral analysis of this system. We clearly detect, for the first time in this system, a strong EW ~ 1.4 keV Fe emission line at 6.49+/-0.1 keV (rest-frame). The X-ray spectrum requires a soft thermal component (kT~0.9 keV; L(0.5-2) ~ 4E41 cgs), likely associated with the starburst, and a hard power-law continuum above 2 keV (observed L(2-10) ~ 4E42 c","authors_text":"A. Franceschini, G.G.C. Palumbo, G. Malaguti, G. Risaliti, L. Bassani, M. Cappi, M. Persic, M. Salvati, P . Severgnini, R. Della Ceca, V. Braito","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-11-12T08:59:09Z","title":"XMM-Newton observations of ULIRGs I: A Compton-thick AGN in IRAS19254-7245"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0211237","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":"sha256:77e1dcc709a11eea8f02a831ea635b70f8488fc5bb52a380b8f2d8b58bfcd34f","target":"record","created_at":"2026-07-04T16:31:08Z","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":"62091496717e17dd7060afbac9bde6c97c34020a5e9cd8275d1d680489f02465","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-11-12T08:59:09Z","title_canon_sha256":"a4717f6731e237cbabbc9a7e26b0365ff562fed59cdf93968f0a17370f35c214"},"schema_version":"1.0","source":{"id":"astro-ph/0211237","kind":"arxiv","version":1}},"canonical_sha256":"69e812725d4c1b6cc90d22ee0257d60b8b2a337b21a47a9b53d46ab7a19c93ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69e812725d4c1b6cc90d22ee0257d60b8b2a337b21a47a9b53d46ab7a19c93ee","first_computed_at":"2026-07-04T16:31:08.296000Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:31:08.296000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+E7ynlLfTVK/sbkXIenck0hIXShVGVmLtGJPgyHY2K4I8pqEk1tsMC1kGIpGV9TEc+63GUvI4NzSoS4DnsFOCg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:31:08.296442Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0211237","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77e1dcc709a11eea8f02a831ea635b70f8488fc5bb52a380b8f2d8b58bfcd34f","sha256:6e4dae7eefaaa03d665f6da592045d4b56d8d6b4e474f746e75dc82c294eb731"],"state_sha256":"97ae366d9b2965c781bfd5b1064c1a70e07cc724bf834851ada1f5991d36d80b"}