{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:2B7SN4MIBG34WZRNBGPIKHMT3A","short_pith_number":"pith:2B7SN4MI","schema_version":"1.0","canonical_sha256":"d07f26f18809b7cb662d099e851d93d8113a71436eff920e16ec3c15225757eb","source":{"kind":"arxiv","id":"2407.20304","version":3},"attestation_state":"computed","paper":{"title":"X-ray nano-holotomography reconstruction with simultaneous probe retrieval","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"eess.IV","authors_text":"Doga Gursoy, Marcus Carlsson, Peter Cloetens, Rajmund Mokso, Viktor Nikitin","submitted_at":"2024-07-29T13:19:17Z","abstract_excerpt":"In conventional tomographic reconstruction, the pre-processing step includes flat-field correction, where each sample projection on the detector is divided by a reference image taken without the sample. When using coherent X-rays as probe, this approach overlooks the phase component of the illumination field (probe), leading to artifacts in phase-retrieved projection images, which are then propagated to the reconstructed 3D sample representation. The problem intensifies in nano-holotomography with focusing optics, that due to various imperfections create high-frequency components in the probe "},"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":"2407.20304","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2024-07-29T13:19:17Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"42a75ba0c61be1c186d8f52fd9c3e979f142a5391e00a4f5980342033dfefd95","abstract_canon_sha256":"112d60fbdd33ef67b2ffe2bb82317b1af3a742a134602cb1f054d25afd048e15"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:24:17.579785Z","signature_b64":"d+Tv++wzTHZ9KE0hs3onZgD0gcbyaVSfNPdFj+zHNQoYhWQ+FopfycQmGffY+lF4hPN3WMZFv24i4syHaBIwDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d07f26f18809b7cb662d099e851d93d8113a71436eff920e16ec3c15225757eb","last_reissued_at":"2026-07-05T09:24:17.579264Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:24:17.579264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"X-ray nano-holotomography reconstruction with simultaneous probe retrieval","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"eess.IV","authors_text":"Doga Gursoy, Marcus Carlsson, Peter Cloetens, Rajmund Mokso, Viktor Nikitin","submitted_at":"2024-07-29T13:19:17Z","abstract_excerpt":"In conventional tomographic reconstruction, the pre-processing step includes flat-field correction, where each sample projection on the detector is divided by a reference image taken without the sample. When using coherent X-rays as probe, this approach overlooks the phase component of the illumination field (probe), leading to artifacts in phase-retrieved projection images, which are then propagated to the reconstructed 3D sample representation. The problem intensifies in nano-holotomography with focusing optics, that due to various imperfections create high-frequency components in the probe "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.20304","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2407.20304/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":"2407.20304","created_at":"2026-07-05T09:24:17.579318+00:00"},{"alias_kind":"arxiv_version","alias_value":"2407.20304v3","created_at":"2026-07-05T09:24:17.579318+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.20304","created_at":"2026-07-05T09:24:17.579318+00:00"},{"alias_kind":"pith_short_12","alias_value":"2B7SN4MIBG34","created_at":"2026-07-05T09:24:17.579318+00:00"},{"alias_kind":"pith_short_16","alias_value":"2B7SN4MIBG34WZRN","created_at":"2026-07-05T09:24:17.579318+00:00"},{"alias_kind":"pith_short_8","alias_value":"2B7SN4MI","created_at":"2026-07-05T09:24:17.579318+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/2B7SN4MIBG34WZRNBGPIKHMT3A","json":"https://pith.science/pith/2B7SN4MIBG34WZRNBGPIKHMT3A.json","graph_json":"https://pith.science/api/pith-number/2B7SN4MIBG34WZRNBGPIKHMT3A/graph.json","events_json":"https://pith.science/api/pith-number/2B7SN4MIBG34WZRNBGPIKHMT3A/events.json","paper":"https://pith.science/paper/2B7SN4MI"},"agent_actions":{"view_html":"https://pith.science/pith/2B7SN4MIBG34WZRNBGPIKHMT3A","download_json":"https://pith.science/pith/2B7SN4MIBG34WZRNBGPIKHMT3A.json","view_paper":"https://pith.science/paper/2B7SN4MI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2407.20304&json=true","fetch_graph":"https://pith.science/api/pith-number/2B7SN4MIBG34WZRNBGPIKHMT3A/graph.json","fetch_events":"https://pith.science/api/pith-number/2B7SN4MIBG34WZRNBGPIKHMT3A/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2B7SN4MIBG34WZRNBGPIKHMT3A/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2B7SN4MIBG34WZRNBGPIKHMT3A/action/storage_attestation","attest_author":"https://pith.science/pith/2B7SN4MIBG34WZRNBGPIKHMT3A/action/author_attestation","sign_citation":"https://pith.science/pith/2B7SN4MIBG34WZRNBGPIKHMT3A/action/citation_signature","submit_replication":"https://pith.science/pith/2B7SN4MIBG34WZRNBGPIKHMT3A/action/replication_record"}},"created_at":"2026-07-05T09:24:17.579318+00:00","updated_at":"2026-07-05T09:24:17.579318+00:00"}