{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:DI7H2OLALOZS74226SITQZ4RKQ","short_pith_number":"pith:DI7H2OLA","schema_version":"1.0","canonical_sha256":"1a3e7d39605bb32ff35af4913867915401277a66a6fe82d2afcaa61a916ae3b8","source":{"kind":"arxiv","id":"2602.18343","version":4},"attestation_state":"computed","paper":{"title":"Super-Resolution Structured-Illumination X-Ray Microscopy based on Fourier Decomposition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Stepped grating encodes high-frequency X-ray details into multiple low-resolution exposures for recovery via Fourier decomposition.","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Benedikt G\\\"unther, Franz Pfeiffer, Lennart Forster, Martin Dierolf, Stefan Schwaiger","submitted_at":"2026-02-20T16:51:44Z","abstract_excerpt":"X-ray microscopy has become an important tool for non-destructive testing, e.g., in battery research. However, imaging a cm-scale battery cell at the desired (sub-)micrometer resolution has been challenging. State-of-the-art X-ray microscopy techniques with a suited field-of-view provide (sub-) $10\\,\\mu m$ resolution, typically limited by the detector point-spread function and the (effective) detector pixel size. This work presents a super-resolution X-ray microscopy approach overcoming both limitations. It requires a structured X-ray illumination to encode high-frequency sample information th"},"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":true},"canonical_record":{"source":{"id":"2602.18343","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2026-02-20T16:51:44Z","cross_cats_sorted":[],"title_canon_sha256":"9af298dad076a88a44888d01aee13463cea92383c3b2d6d1efabfed2cd4f38e7","abstract_canon_sha256":"a6e26a8a8fbbabbe4a4106fe93ee572e1387f8af74f54c24bc4ec0e645e93186"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-10T01:09:56.732458Z","signature_b64":"GjGHVelrDUG4yjm77rUpGiMWX8zHkYrXwoiubzLav3e5WTKvocnblFHbHO/Zv6YpyOhPytG/RTVToNutke+FBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1a3e7d39605bb32ff35af4913867915401277a66a6fe82d2afcaa61a916ae3b8","last_reissued_at":"2026-06-10T01:09:56.731435Z","signature_status":"signed_v1","first_computed_at":"2026-06-10T01:09:56.731435Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Super-Resolution Structured-Illumination X-Ray Microscopy based on Fourier Decomposition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Stepped grating encodes high-frequency X-ray details into multiple low-resolution exposures for recovery via Fourier decomposition.","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Benedikt G\\\"unther, Franz Pfeiffer, Lennart Forster, Martin Dierolf, Stefan Schwaiger","submitted_at":"2026-02-20T16:51:44Z","abstract_excerpt":"X-ray microscopy has become an important tool for non-destructive testing, e.g., in battery research. However, imaging a cm-scale battery cell at the desired (sub-)micrometer resolution has been challenging. State-of-the-art X-ray microscopy techniques with a suited field-of-view provide (sub-) $10\\,\\mu m$ resolution, typically limited by the detector point-spread function and the (effective) detector pixel size. This work presents a super-resolution X-ray microscopy approach overcoming both limitations. It requires a structured X-ray illumination to encode high-frequency sample information th"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"We achieve a resolution improvement by a factor of 2.2 for the projection image of a resolution test pattern.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the Fourier-domain superposition created by the stepped grating contains recoverable high-frequency components independent of the detection optics, as asserted in the abstract without quantitative validation of reconstruction fidelity or artifact levels.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"A stepped-grating structured-illumination method recovers high-frequency X-ray information via Fourier decomposition to achieve 2.2-fold resolution improvement in projection images and integrates with tomography.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Stepped grating encodes high-frequency X-ray details into multiple low-resolution exposures for recovery via Fourier decomposition.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"5f3246cbe5aeae958389400d9aaf69982e385bd9b5228c18e0a97fc0a568d5ea"},"source":{"id":"2602.18343","kind":"arxiv","version":4},"verdict":{"id":"b0c43c0a-63f6-45e5-890a-aac834834871","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-15T20:51:51.391111Z","strongest_claim":"We achieve a resolution improvement by a factor of 2.2 for the projection image of a resolution test pattern.","one_line_summary":"A stepped-grating structured-illumination method recovers high-frequency X-ray information via Fourier decomposition to achieve 2.2-fold resolution improvement in projection images and integrates with tomography.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That the Fourier-domain superposition created by the stepped grating contains recoverable high-frequency components independent of the detection optics, as asserted in the abstract without quantitative validation of reconstruction fidelity or artifact levels.","pith_extraction_headline":"Stepped grating encodes high-frequency X-ray details into multiple low-resolution exposures for recovery via Fourier decomposition."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2602.18343/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":2,"snapshot_sha256":"09a9656dba56e2902e2ad26072c4cf9e184987654f7d1f796147612e77de4d2b"},"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":"2602.18343","created_at":"2026-06-10T01:09:56.731575+00:00"},{"alias_kind":"arxiv_version","alias_value":"2602.18343v4","created_at":"2026-06-10T01:09:56.731575+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.18343","created_at":"2026-06-10T01:09:56.731575+00:00"},{"alias_kind":"pith_short_12","alias_value":"DI7H2OLALOZS","created_at":"2026-06-10T01:09:56.731575+00:00"},{"alias_kind":"pith_short_16","alias_value":"DI7H2OLALOZS7422","created_at":"2026-06-10T01:09:56.731575+00:00"},{"alias_kind":"pith_short_8","alias_value":"DI7H2OLA","created_at":"2026-06-10T01:09:56.731575+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":2,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DI7H2OLALOZS74226SITQZ4RKQ","json":"https://pith.science/pith/DI7H2OLALOZS74226SITQZ4RKQ.json","graph_json":"https://pith.science/api/pith-number/DI7H2OLALOZS74226SITQZ4RKQ/graph.json","events_json":"https://pith.science/api/pith-number/DI7H2OLALOZS74226SITQZ4RKQ/events.json","paper":"https://pith.science/paper/DI7H2OLA"},"agent_actions":{"view_html":"https://pith.science/pith/DI7H2OLALOZS74226SITQZ4RKQ","download_json":"https://pith.science/pith/DI7H2OLALOZS74226SITQZ4RKQ.json","view_paper":"https://pith.science/paper/DI7H2OLA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2602.18343&json=true","fetch_graph":"https://pith.science/api/pith-number/DI7H2OLALOZS74226SITQZ4RKQ/graph.json","fetch_events":"https://pith.science/api/pith-number/DI7H2OLALOZS74226SITQZ4RKQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DI7H2OLALOZS74226SITQZ4RKQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DI7H2OLALOZS74226SITQZ4RKQ/action/storage_attestation","attest_author":"https://pith.science/pith/DI7H2OLALOZS74226SITQZ4RKQ/action/author_attestation","sign_citation":"https://pith.science/pith/DI7H2OLALOZS74226SITQZ4RKQ/action/citation_signature","submit_replication":"https://pith.science/pith/DI7H2OLALOZS74226SITQZ4RKQ/action/replication_record"}},"created_at":"2026-06-10T01:09:56.731575+00:00","updated_at":"2026-06-10T01:09:56.731575+00:00"}