{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:TUMIVGK5AIEQZNKTETBWUXKJB7","short_pith_number":"pith:TUMIVGK5","schema_version":"1.0","canonical_sha256":"9d188a995d02090cb55324c36a5d490fcd86bfa91176392d4bcdce4b822eedc1","source":{"kind":"arxiv","id":"astro-ph/0010062","version":1},"attestation_state":"computed","paper":{"title":"Probing the Inner Region of Cyg X-1 in the Low/Hard State through its X-ray Broad Band Spectrum","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. Done, L. Burderi, N. R. Robba, P. T. Zycki, T. Di Salvo","submitted_at":"2000-10-03T09:04:04Z","abstract_excerpt":"We present the broad band X-ray spectrum of Cyg X-1 in the low/hard state as observed by the instruments on board of BeppoSAX. The spectrum spans from 0.1 to 200 keV, allowing the total accretion luminosity to be observed, rather than extrapolated, corresponding to ~2 per cent of the Eddington limit for a 10 Solar mass black hole. The broad bandpass allows us to determine the continuum shape with great accuracy. Simple models of Compton up-scattering of seed photons from the accretion disk do not adequately match the spectrum. At low energies an additional continuum component is required, givi"},"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/0010062","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-10-03T09:04:04Z","cross_cats_sorted":[],"title_canon_sha256":"0368ff553e6337a94ae496620b3b57f9bb7bae88b80897b41ba5c69c5405067b","abstract_canon_sha256":"1a08c70ea4459775088836bd12fad98837128f23f2789955b6faffb27d92f8db"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:17:14.190497Z","signature_b64":"tJbQVLWxdH9XKMlr67y8tVpZN9o6Tcm/nPnzkt5QbzDDBQPoxL8xJlaz+/2MNqVAQQFBL0uKYnvejabLv5YmCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d188a995d02090cb55324c36a5d490fcd86bfa91176392d4bcdce4b822eedc1","last_reissued_at":"2026-07-04T16:17:14.190089Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:17:14.190089Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing the Inner Region of Cyg X-1 in the Low/Hard State through its X-ray Broad Band Spectrum","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. Done, L. Burderi, N. R. Robba, P. T. Zycki, T. Di Salvo","submitted_at":"2000-10-03T09:04:04Z","abstract_excerpt":"We present the broad band X-ray spectrum of Cyg X-1 in the low/hard state as observed by the instruments on board of BeppoSAX. The spectrum spans from 0.1 to 200 keV, allowing the total accretion luminosity to be observed, rather than extrapolated, corresponding to ~2 per cent of the Eddington limit for a 10 Solar mass black hole. The broad bandpass allows us to determine the continuum shape with great accuracy. Simple models of Compton up-scattering of seed photons from the accretion disk do not adequately match the spectrum. At low energies an additional continuum component is required, givi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0010062","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/0010062/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/0010062","created_at":"2026-07-04T16:17:14.190138+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0010062v1","created_at":"2026-07-04T16:17:14.190138+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0010062","created_at":"2026-07-04T16:17:14.190138+00:00"},{"alias_kind":"pith_short_12","alias_value":"TUMIVGK5AIEQ","created_at":"2026-07-04T16:17:14.190138+00:00"},{"alias_kind":"pith_short_16","alias_value":"TUMIVGK5AIEQZNKT","created_at":"2026-07-04T16:17:14.190138+00:00"},{"alias_kind":"pith_short_8","alias_value":"TUMIVGK5","created_at":"2026-07-04T16:17:14.190138+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TUMIVGK5AIEQZNKTETBWUXKJB7","json":"https://pith.science/pith/TUMIVGK5AIEQZNKTETBWUXKJB7.json","graph_json":"https://pith.science/api/pith-number/TUMIVGK5AIEQZNKTETBWUXKJB7/graph.json","events_json":"https://pith.science/api/pith-number/TUMIVGK5AIEQZNKTETBWUXKJB7/events.json","paper":"https://pith.science/paper/TUMIVGK5"},"agent_actions":{"view_html":"https://pith.science/pith/TUMIVGK5AIEQZNKTETBWUXKJB7","download_json":"https://pith.science/pith/TUMIVGK5AIEQZNKTETBWUXKJB7.json","view_paper":"https://pith.science/paper/TUMIVGK5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0010062&json=true","fetch_graph":"https://pith.science/api/pith-number/TUMIVGK5AIEQZNKTETBWUXKJB7/graph.json","fetch_events":"https://pith.science/api/pith-number/TUMIVGK5AIEQZNKTETBWUXKJB7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TUMIVGK5AIEQZNKTETBWUXKJB7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TUMIVGK5AIEQZNKTETBWUXKJB7/action/storage_attestation","attest_author":"https://pith.science/pith/TUMIVGK5AIEQZNKTETBWUXKJB7/action/author_attestation","sign_citation":"https://pith.science/pith/TUMIVGK5AIEQZNKTETBWUXKJB7/action/citation_signature","submit_replication":"https://pith.science/pith/TUMIVGK5AIEQZNKTETBWUXKJB7/action/replication_record"}},"created_at":"2026-07-04T16:17:14.190138+00:00","updated_at":"2026-07-04T16:17:14.190138+00:00"}