{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:WUOONZFVUINHSWB7QXDPPKBJJU","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":"953356b9e40e40ba111e6a6e9e4c9a699497944eeeb9452fbf02d70d3973a3e7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-02-05T11:03:35Z","title_canon_sha256":"31f593570817dbd1c07fb7e32ca2efe4bdedb7b01b314cd985b22b41b614fe3f"},"schema_version":"1.0","source":{"id":"1002.1194","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.1194","created_at":"2026-07-04T17:21:28Z"},{"alias_kind":"arxiv_version","alias_value":"1002.1194v1","created_at":"2026-07-04T17:21:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.1194","created_at":"2026-07-04T17:21:28Z"},{"alias_kind":"pith_short_12","alias_value":"WUOONZFVUINH","created_at":"2026-07-04T17:21:28Z"},{"alias_kind":"pith_short_16","alias_value":"WUOONZFVUINHSWB7","created_at":"2026-07-04T17:21:28Z"},{"alias_kind":"pith_short_8","alias_value":"WUOONZFV","created_at":"2026-07-04T17:21:28Z"}],"graph_snapshots":[{"event_id":"sha256:e4bd1571cf3f476aa3688c24d35498e00c64a82eb281204029d859bdc25dab37","target":"graph","created_at":"2026-07-04T17:21:28Z","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/1002.1194/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Soft X-ray Imager (SXI) is one of the three instruments on board EXIST, a multi-wavelength observatory in charge of performing a global survey of the sky in hard X-rays searching for Super-massive Black Holes (Grindlay & Natalucci, these Proceedings). One of the primary objectives of EXIST is also to study with unprecedented sensitivity the most unknown high energy sources in the Universe, like high redshift GRBs, which will be pointed promptly by the Spacecraft by autonomous trigger based on hard X-ray localization on board. The presence of a soft X-ray telescope with an effective area of","authors_text":"A. Bazzano, B. Ramsey, F. Panessa, G. Ghisellini, G. Pareschi, G. Tagliaferri, G. Villa, J.E. Grindlay, L. Natalucci, M. Fiorini, M. Uslenghi, P. Caraveo, P. Ubertini, R. Della Ceca","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-02-05T11:03:35Z","title":"The Soft X-ray Imager on board EXIST"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.1194","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":"sha256:13d1e2cac172724479f113d57d9f3639265c6a44410bca533054a49dec8c3045","target":"record","created_at":"2026-07-04T17:21:28Z","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":"953356b9e40e40ba111e6a6e9e4c9a699497944eeeb9452fbf02d70d3973a3e7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-02-05T11:03:35Z","title_canon_sha256":"31f593570817dbd1c07fb7e32ca2efe4bdedb7b01b314cd985b22b41b614fe3f"},"schema_version":"1.0","source":{"id":"1002.1194","kind":"arxiv","version":1}},"canonical_sha256":"b51ce6e4b5a21a79583f85c6f7a8294d31dcad93e12f904a3a5e52a86c22f391","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b51ce6e4b5a21a79583f85c6f7a8294d31dcad93e12f904a3a5e52a86c22f391","first_computed_at":"2026-07-04T17:21:28.083526Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:21:28.083526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vTI3NN2zx8DpIztYMVyh6B8OR8XaFSBdqHCbjuDDHlsJNchWnSsfk4SJ4CauH4Fl/R/wi0kmJeFuLljfAAlXBw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:21:28.083952Z","signed_message":"canonical_sha256_bytes"},"source_id":"1002.1194","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13d1e2cac172724479f113d57d9f3639265c6a44410bca533054a49dec8c3045","sha256:e4bd1571cf3f476aa3688c24d35498e00c64a82eb281204029d859bdc25dab37"],"state_sha256":"1b562409558fa7a5a7cd59492e19ec2b02b8f72e34b9e456504c307cdfd435f7"}