{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:MJ7C5TOMKWHIZY6IJRSEYI7P6J","short_pith_number":"pith:MJ7C5TOM","schema_version":"1.0","canonical_sha256":"627e2ecdcc558e8ce3c84c644c23eff26432310ed16488a0bbf153aebdf4973c","source":{"kind":"arxiv","id":"astro-ph/9903492","version":1},"attestation_state":"computed","paper":{"title":"The Spectrum of Diffuse Cosmic Hard X-Rays Measured with HEAO-1","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D. E. Gruber (CASS/UCSD), G. V. Jung (NRL), J. L. Matteson (CASS/UCSD), L. E. Peterson (CASS/UCSD)","submitted_at":"1999-04-01T00:33:39Z","abstract_excerpt":"The spectrum of the diffuse isotropic component of cosmic X-rays over the 13-180 keV range was determined by the UCSD/MIT Hard X-Ray and Gamma-Ray instrument (HEAO A4) on the High Energy Astronomical Observatory-1 (HEAO-1). The instrument consists of a complex of actively shielded and collimated scintillation counters, including the Low Energy Detector set from which the data reported here were obtained. These data join smoothly with the spectrum at lower energies reported by the GSFC HEAO A2 instrument and with that measured to 400 keV by the HEAO A4 Medium Energy Detectors. The HEAO data set"},"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":"astro-ph/9903492","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-04-01T00:33:39Z","cross_cats_sorted":[],"title_canon_sha256":"0d4d4edf689d64fd84353917aa638ca12f78851a39f5352c302eb85e6f8ba895","abstract_canon_sha256":"190c88a26afa952b3f60ee51f9e0f1c9089464089918098626aa56df664e0dbd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:10:51.538367Z","signature_b64":"vFf5T2aKUAk/bqXrr7L6DS3hPH0kaX4NSWBY32gvOt8ED8YWXga7Xu8wfCL3IeJYBUIQqty7XFDz3q1R1bePAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"627e2ecdcc558e8ce3c84c644c23eff26432310ed16488a0bbf153aebdf4973c","last_reissued_at":"2026-07-04T16:10:51.538001Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:10:51.538001Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Spectrum of Diffuse Cosmic Hard X-Rays Measured with HEAO-1","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D. E. Gruber (CASS/UCSD), G. V. Jung (NRL), J. L. Matteson (CASS/UCSD), L. E. Peterson (CASS/UCSD)","submitted_at":"1999-04-01T00:33:39Z","abstract_excerpt":"The spectrum of the diffuse isotropic component of cosmic X-rays over the 13-180 keV range was determined by the UCSD/MIT Hard X-Ray and Gamma-Ray instrument (HEAO A4) on the High Energy Astronomical Observatory-1 (HEAO-1). The instrument consists of a complex of actively shielded and collimated scintillation counters, including the Low Energy Detector set from which the data reported here were obtained. These data join smoothly with the spectrum at lower energies reported by the GSFC HEAO A2 instrument and with that measured to 400 keV by the HEAO A4 Medium Energy Detectors. The HEAO data set"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9903492","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/9903492/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9903492","created_at":"2026-07-04T16:10:51.538063+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9903492v1","created_at":"2026-07-04T16:10:51.538063+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9903492","created_at":"2026-07-04T16:10:51.538063+00:00"},{"alias_kind":"pith_short_12","alias_value":"MJ7C5TOMKWHI","created_at":"2026-07-04T16:10:51.538063+00:00"},{"alias_kind":"pith_short_16","alias_value":"MJ7C5TOMKWHIZY6I","created_at":"2026-07-04T16:10:51.538063+00:00"},{"alias_kind":"pith_short_8","alias_value":"MJ7C5TOM","created_at":"2026-07-04T16:10:51.538063+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2605.24094","citing_title":"Neutron Star Bounds on Muonic Fifth Forces from Picometer to Kilometer Scales","ref_index":69,"is_internal_anchor":true},{"citing_arxiv_id":"1907.04324","citing_title":"Dark Matter Energy Deposition and Production from the Table-Top to the Cosmos","ref_index":19,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MJ7C5TOMKWHIZY6IJRSEYI7P6J","json":"https://pith.science/pith/MJ7C5TOMKWHIZY6IJRSEYI7P6J.json","graph_json":"https://pith.science/api/pith-number/MJ7C5TOMKWHIZY6IJRSEYI7P6J/graph.json","events_json":"https://pith.science/api/pith-number/MJ7C5TOMKWHIZY6IJRSEYI7P6J/events.json","paper":"https://pith.science/paper/MJ7C5TOM"},"agent_actions":{"view_html":"https://pith.science/pith/MJ7C5TOMKWHIZY6IJRSEYI7P6J","download_json":"https://pith.science/pith/MJ7C5TOMKWHIZY6IJRSEYI7P6J.json","view_paper":"https://pith.science/paper/MJ7C5TOM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9903492&json=true","fetch_graph":"https://pith.science/api/pith-number/MJ7C5TOMKWHIZY6IJRSEYI7P6J/graph.json","fetch_events":"https://pith.science/api/pith-number/MJ7C5TOMKWHIZY6IJRSEYI7P6J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MJ7C5TOMKWHIZY6IJRSEYI7P6J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MJ7C5TOMKWHIZY6IJRSEYI7P6J/action/storage_attestation","attest_author":"https://pith.science/pith/MJ7C5TOMKWHIZY6IJRSEYI7P6J/action/author_attestation","sign_citation":"https://pith.science/pith/MJ7C5TOMKWHIZY6IJRSEYI7P6J/action/citation_signature","submit_replication":"https://pith.science/pith/MJ7C5TOMKWHIZY6IJRSEYI7P6J/action/replication_record"}},"created_at":"2026-07-04T16:10:51.538063+00:00","updated_at":"2026-07-04T16:10:51.538063+00:00"}