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We compare the number count distributions derived from the swift 105-month catalogue with those from the serendipitous NuSTAR source catalogue.\n  In the 14-195 keV band, the Swift/BAT counts follow a Euclidean slope with alpha=1.51+/-0.10 (90% confidence level).\n  The NuSTAR counts in the 8-24 keV band present a steeper slope with alpha = 1.71+/- 0.2$, because of an"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1902.05137","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-02-13T21:28:06Z","cross_cats_sorted":[],"title_canon_sha256":"f7aff640a280c83187843b1cd10e58cf7bacc601666c1b6da6a85acad899ed42","abstract_canon_sha256":"633b8fc1bc86d20c390a1a709e770b525d3522e3d41a933cfa765fc1c95f7baf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:55.325975Z","signature_b64":"eg+Kfc4pwpxL75G0SIKU6XHixgabQiPTINczQm0G8wCPdzp03hN03sAiHGX5YhcGnR6icpEqGulT5HNtch7xAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b25462947d882568af7eaf8c1011c93f70cb9d9830dfd699263e170820599d05","last_reissued_at":"2026-05-17T23:44:55.325304Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:55.325304Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The source number counts at high energies: SWIFT vs. NuSTAR","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. 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