{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4ALX6QWJ2WCGJXM7WA63IFIBQT","short_pith_number":"pith:4ALX6QWJ","schema_version":"1.0","canonical_sha256":"e0177f42c9d58464dd9fb03db4150184f42720043ed74b37431030ad2d48f8da","source":{"kind":"arxiv","id":"1812.06969","version":3},"attestation_state":"computed","paper":{"title":"Aberration-free imaging of inelastic scattering spectra with x-ray echo spectrometers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"physics.ins-det","authors_text":"Manuel S\\'anchez del R\\'io, Yuri Shvyd'ko","submitted_at":"2018-12-16T13:10:28Z","abstract_excerpt":"We study conditions for aberration-free imaging of inelastic x-ray scattering (IXS) spectra with x-ray echo spectrometers.\n  Aberration-free imaging is essential for achieving instrumental functions with high resolution and high contrast. Computational ray tracing is applied to a thorough analysis of a 0.1-meV/0.07-nm$^{-1}$-resolution echo-type IXS spectrometer operating with 9-keV x-rays. We show that IXS spectra imaged by the x-ray echo spectrometer that uses lenses for the collimating and focusing optics are free of aberrations. When grazing-incidence mirrors (paraboloidal, parabolic Kirkp"},"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":"1812.06969","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-12-16T13:10:28Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"47d84100668fff56621fff7c7be9e0f1bb2dcd8aca57864c1ae599e7c38b31e1","abstract_canon_sha256":"ecdaf2bd6b23a7b1e43c891df2f3adf0fc68d393b3c80bd16eaed2ff603a5702"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:58.094412Z","signature_b64":"J4agLigPvHTZ2U9W47YJdPf79ShbZidv3uv39S7mPvHJgwY7VCKPxuwAWMTVDDaOQIJS0CKfkcJeBXaCnZK8Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0177f42c9d58464dd9fb03db4150184f42720043ed74b37431030ad2d48f8da","last_reissued_at":"2026-05-17T23:44:58.093685Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:58.093685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Aberration-free imaging of inelastic scattering spectra with x-ray echo spectrometers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"physics.ins-det","authors_text":"Manuel S\\'anchez del R\\'io, Yuri Shvyd'ko","submitted_at":"2018-12-16T13:10:28Z","abstract_excerpt":"We study conditions for aberration-free imaging of inelastic x-ray scattering (IXS) spectra with x-ray echo spectrometers.\n  Aberration-free imaging is essential for achieving instrumental functions with high resolution and high contrast. Computational ray tracing is applied to a thorough analysis of a 0.1-meV/0.07-nm$^{-1}$-resolution echo-type IXS spectrometer operating with 9-keV x-rays. We show that IXS spectra imaged by the x-ray echo spectrometer that uses lenses for the collimating and focusing optics are free of aberrations. When grazing-incidence mirrors (paraboloidal, parabolic Kirkp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06969","kind":"arxiv","version":3},"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":"1812.06969","created_at":"2026-05-17T23:44:58.093795+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.06969v3","created_at":"2026-05-17T23:44:58.093795+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06969","created_at":"2026-05-17T23:44:58.093795+00:00"},{"alias_kind":"pith_short_12","alias_value":"4ALX6QWJ2WCG","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4ALX6QWJ2WCGJXM7","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4ALX6QWJ","created_at":"2026-05-18T12:32:05.422762+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/4ALX6QWJ2WCGJXM7WA63IFIBQT","json":"https://pith.science/pith/4ALX6QWJ2WCGJXM7WA63IFIBQT.json","graph_json":"https://pith.science/api/pith-number/4ALX6QWJ2WCGJXM7WA63IFIBQT/graph.json","events_json":"https://pith.science/api/pith-number/4ALX6QWJ2WCGJXM7WA63IFIBQT/events.json","paper":"https://pith.science/paper/4ALX6QWJ"},"agent_actions":{"view_html":"https://pith.science/pith/4ALX6QWJ2WCGJXM7WA63IFIBQT","download_json":"https://pith.science/pith/4ALX6QWJ2WCGJXM7WA63IFIBQT.json","view_paper":"https://pith.science/paper/4ALX6QWJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.06969&json=true","fetch_graph":"https://pith.science/api/pith-number/4ALX6QWJ2WCGJXM7WA63IFIBQT/graph.json","fetch_events":"https://pith.science/api/pith-number/4ALX6QWJ2WCGJXM7WA63IFIBQT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4ALX6QWJ2WCGJXM7WA63IFIBQT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4ALX6QWJ2WCGJXM7WA63IFIBQT/action/storage_attestation","attest_author":"https://pith.science/pith/4ALX6QWJ2WCGJXM7WA63IFIBQT/action/author_attestation","sign_citation":"https://pith.science/pith/4ALX6QWJ2WCGJXM7WA63IFIBQT/action/citation_signature","submit_replication":"https://pith.science/pith/4ALX6QWJ2WCGJXM7WA63IFIBQT/action/replication_record"}},"created_at":"2026-05-17T23:44:58.093795+00:00","updated_at":"2026-05-17T23:44:58.093795+00:00"}