{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:XNQGH5ZHUCSVEXD7HZYD7ZVTKF","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":"c6d9547f6b90d31cc7b07ce9573ddc128e2a767a68e1d3606360c2f04c3ee998","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-11-26T10:58:16Z","title_canon_sha256":"eda6fd9c3e8e2f447e04c6246f1c2c9c2b704105854087ace5c504450855062c"},"schema_version":"1.0","source":{"id":"2411.17315","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.17315","created_at":"2026-07-05T09:40:30Z"},{"alias_kind":"arxiv_version","alias_value":"2411.17315v1","created_at":"2026-07-05T09:40:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.17315","created_at":"2026-07-05T09:40:30Z"},{"alias_kind":"pith_short_12","alias_value":"XNQGH5ZHUCSV","created_at":"2026-07-05T09:40:30Z"},{"alias_kind":"pith_short_16","alias_value":"XNQGH5ZHUCSVEXD7","created_at":"2026-07-05T09:40:30Z"},{"alias_kind":"pith_short_8","alias_value":"XNQGH5ZH","created_at":"2026-07-05T09:40:30Z"}],"graph_snapshots":[{"event_id":"sha256:d7f9d2b69ea1ab5cf9444308e75765e6c2e3f20fff2d31d59800d8132cdaeb49","target":"graph","created_at":"2026-07-05T09:40:30Z","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/2411.17315/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on the results of X-ray observations (XMM-Newton, INTEGRAL and Swift) of two hard X-ray sources, IGR J17503-2636 and IGR J17507-2647, whose nature is not fully elucidated in the literature. Three XMM-Newton observations covered the field of IGR J17503-2636, in 2020 and twice in 2023. The analysis of the two XMM-Newton observations performed in September 2023, six days apart, did not detect IGR J17503-2636, allowing us to pose the most stringent 3sigma upper limit on the source flux to date (~9.5x10^-14 erg/cm2/s, 2-10 keV, flux corrected for absorption). This value implies that the a","authors_text":"A.J. Bird, G. Ponti, L. Sidoli, P. Esposito, R. Sathyaprakash, S. Mondal, V. Sguera","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-11-26T10:58:16Z","title":"New interpretation of the two hard X-ray sources IGR J17503-2636 and IGR J17507-2647"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.17315","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":"sha256:82d95d8e26ea1bf18c145fc57ce5401e4180aa18632ce104c78fe5f86b165865","target":"record","created_at":"2026-07-05T09:40:30Z","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":"c6d9547f6b90d31cc7b07ce9573ddc128e2a767a68e1d3606360c2f04c3ee998","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-11-26T10:58:16Z","title_canon_sha256":"eda6fd9c3e8e2f447e04c6246f1c2c9c2b704105854087ace5c504450855062c"},"schema_version":"1.0","source":{"id":"2411.17315","kind":"arxiv","version":1}},"canonical_sha256":"bb6063f727a0a5525c7f3e703fe6b3514f2aba8eca73ed3669f7c96244f4e6c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb6063f727a0a5525c7f3e703fe6b3514f2aba8eca73ed3669f7c96244f4e6c3","first_computed_at":"2026-07-05T09:40:30.412139Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:40:30.412139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OPdnOU/OtDg/XH2JXvjmm1ZQT/cf+HCFcCEG1PSl/YGmGdvFeb/yv5CrKe4zCTMHjCOcsurbfsS/EF6dBzdBDw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:40:30.412606Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.17315","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82d95d8e26ea1bf18c145fc57ce5401e4180aa18632ce104c78fe5f86b165865","sha256:d7f9d2b69ea1ab5cf9444308e75765e6c2e3f20fff2d31d59800d8132cdaeb49"],"state_sha256":"51ca4b2e4ca1447348913ebb6543f58045e811f846e0a064d79d80e9d5e4511e"}