{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:7AXSUKUXS4ETLUYXHBPQXGK566","short_pith_number":"pith:7AXSUKUX","schema_version":"1.0","canonical_sha256":"f82f2a2a97970935d317385f0b995df7a439e93134d547179220a372ba0bdac5","source":{"kind":"arxiv","id":"1509.02732","version":1},"attestation_state":"computed","paper":{"title":"HEW simulations and quantification of the microroughness requirements for X-ray telescopes by means of numerical and analytical methods","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"D. Spiga, G. Cusumano, G. Pareschi","submitted_at":"2015-09-09T11:38:52Z","abstract_excerpt":"Future X-ray telescopes like SIMBOL-X will operate in a wide band of the X-ray spectrum (from 0.1 to 80 keV); these telescopes will extend the optical performances of the existing soft X-ray telescopes to the hard X-ray band, and in particular they will be characterized by a angular resolution (conveniently expressed in terms of HEW, Half-Energy- Width) less than 20 arcsec. However, it is well known that the microroughness of the reflecting surfaces of the optics causes the scattering of X-rays. As a consequence, the imaging quality can be severely degraded. Moreover, the X-ray scattering can "},"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":"1509.02732","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-09-09T11:38:52Z","cross_cats_sorted":[],"title_canon_sha256":"aedb995457a504b1d56555c609641bfb04107c9aa95d9a5facbe582f9579fc45","abstract_canon_sha256":"011d76a8b07b3dcecbbd3e4b2ae7a4e95794ed36c14368eee7e23e1416dba604"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:33.424065Z","signature_b64":"g8W8ioYrdQVr+D/TT23DbC1iHc3sM2FwRkx/x50SbVsP4RrCOPMFzidLspoFr780JIlyHHBLf/E/2CgdVZaLCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f82f2a2a97970935d317385f0b995df7a439e93134d547179220a372ba0bdac5","last_reissued_at":"2026-05-18T01:33:33.423387Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:33.423387Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"HEW simulations and quantification of the microroughness requirements for X-ray telescopes by means of numerical and analytical methods","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"D. Spiga, G. Cusumano, G. Pareschi","submitted_at":"2015-09-09T11:38:52Z","abstract_excerpt":"Future X-ray telescopes like SIMBOL-X will operate in a wide band of the X-ray spectrum (from 0.1 to 80 keV); these telescopes will extend the optical performances of the existing soft X-ray telescopes to the hard X-ray band, and in particular they will be characterized by a angular resolution (conveniently expressed in terms of HEW, Half-Energy- Width) less than 20 arcsec. However, it is well known that the microroughness of the reflecting surfaces of the optics causes the scattering of X-rays. As a consequence, the imaging quality can be severely degraded. Moreover, the X-ray scattering can "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02732","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":""},"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":"1509.02732","created_at":"2026-05-18T01:33:33.423486+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.02732v1","created_at":"2026-05-18T01:33:33.423486+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02732","created_at":"2026-05-18T01:33:33.423486+00:00"},{"alias_kind":"pith_short_12","alias_value":"7AXSUKUXS4ET","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_16","alias_value":"7AXSUKUXS4ETLUYX","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_8","alias_value":"7AXSUKUX","created_at":"2026-05-18T12:29:07.941421+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/7AXSUKUXS4ETLUYXHBPQXGK566","json":"https://pith.science/pith/7AXSUKUXS4ETLUYXHBPQXGK566.json","graph_json":"https://pith.science/api/pith-number/7AXSUKUXS4ETLUYXHBPQXGK566/graph.json","events_json":"https://pith.science/api/pith-number/7AXSUKUXS4ETLUYXHBPQXGK566/events.json","paper":"https://pith.science/paper/7AXSUKUX"},"agent_actions":{"view_html":"https://pith.science/pith/7AXSUKUXS4ETLUYXHBPQXGK566","download_json":"https://pith.science/pith/7AXSUKUXS4ETLUYXHBPQXGK566.json","view_paper":"https://pith.science/paper/7AXSUKUX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.02732&json=true","fetch_graph":"https://pith.science/api/pith-number/7AXSUKUXS4ETLUYXHBPQXGK566/graph.json","fetch_events":"https://pith.science/api/pith-number/7AXSUKUXS4ETLUYXHBPQXGK566/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7AXSUKUXS4ETLUYXHBPQXGK566/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7AXSUKUXS4ETLUYXHBPQXGK566/action/storage_attestation","attest_author":"https://pith.science/pith/7AXSUKUXS4ETLUYXHBPQXGK566/action/author_attestation","sign_citation":"https://pith.science/pith/7AXSUKUXS4ETLUYXHBPQXGK566/action/citation_signature","submit_replication":"https://pith.science/pith/7AXSUKUXS4ETLUYXHBPQXGK566/action/replication_record"}},"created_at":"2026-05-18T01:33:33.423486+00:00","updated_at":"2026-05-18T01:33:33.423486+00:00"}