{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:O76EBWANWPEUGIWSF5AWUF3ZCQ","short_pith_number":"pith:O76EBWAN","schema_version":"1.0","canonical_sha256":"77fc40d80db3c94322d22f416a17791423a1de1228a4f9d066c4e9e8b06288da","source":{"kind":"arxiv","id":"2012.04551","version":2},"attestation_state":"computed","paper":{"title":"CoShaRP: A Convex Program for Single-shot Tomographic Shape Sensing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CE","cs.IR","eess.IV","math.OC"],"primary_cat":"cs.CV","authors_text":"Ajinkya Kadu, K. Joost Batenburg, Tristan van Leeuwen","submitted_at":"2020-12-08T16:44:34Z","abstract_excerpt":"We introduce single-shot X-ray tomography that aims to estimate the target image from a single cone-beam projection measurement. This linear inverse problem is extremely under-determined since the measurements are far fewer than the number of unknowns. Moreover, it is more challenging than conventional tomography where a sufficiently large number of projection angles forms the measurements, allowing for a simple inversion process. However, single-shot tomography becomes less severe if the target image is only composed of known shapes. Hence, the shape prior transforms a linear ill-posed image "},"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":"2012.04551","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2020-12-08T16:44:34Z","cross_cats_sorted":["cs.CE","cs.IR","eess.IV","math.OC"],"title_canon_sha256":"1d31c90974f9008b6f1e717f3d33dac82783a323a33408e0528be5b30f1b82c3","abstract_canon_sha256":"43aec6d0a1fd6ce96e99b54b985a42ede8f4536423a21bc9e8fbf7c711e745ed"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:16:07.196881Z","signature_b64":"+evblEIZ8O3SfEPNWC0RFt4dF8juk4nCwBJx+G3xZwcq38SX1Tc0u5qJbczHFZMrH9WOd/oIJFwMRZ9ahyRODA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77fc40d80db3c94322d22f416a17791423a1de1228a4f9d066c4e9e8b06288da","last_reissued_at":"2026-07-05T03:16:07.196325Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:16:07.196325Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CoShaRP: A Convex Program for Single-shot Tomographic Shape Sensing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CE","cs.IR","eess.IV","math.OC"],"primary_cat":"cs.CV","authors_text":"Ajinkya Kadu, K. Joost Batenburg, Tristan van Leeuwen","submitted_at":"2020-12-08T16:44:34Z","abstract_excerpt":"We introduce single-shot X-ray tomography that aims to estimate the target image from a single cone-beam projection measurement. This linear inverse problem is extremely under-determined since the measurements are far fewer than the number of unknowns. Moreover, it is more challenging than conventional tomography where a sufficiently large number of projection angles forms the measurements, allowing for a simple inversion process. However, single-shot tomography becomes less severe if the target image is only composed of known shapes. Hence, the shape prior transforms a linear ill-posed image "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.04551","kind":"arxiv","version":2},"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/2012.04551/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":"2012.04551","created_at":"2026-07-05T03:16:07.196391+00:00"},{"alias_kind":"arxiv_version","alias_value":"2012.04551v2","created_at":"2026-07-05T03:16:07.196391+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.04551","created_at":"2026-07-05T03:16:07.196391+00:00"},{"alias_kind":"pith_short_12","alias_value":"O76EBWANWPEU","created_at":"2026-07-05T03:16:07.196391+00:00"},{"alias_kind":"pith_short_16","alias_value":"O76EBWANWPEUGIWS","created_at":"2026-07-05T03:16:07.196391+00:00"},{"alias_kind":"pith_short_8","alias_value":"O76EBWAN","created_at":"2026-07-05T03:16:07.196391+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/O76EBWANWPEUGIWSF5AWUF3ZCQ","json":"https://pith.science/pith/O76EBWANWPEUGIWSF5AWUF3ZCQ.json","graph_json":"https://pith.science/api/pith-number/O76EBWANWPEUGIWSF5AWUF3ZCQ/graph.json","events_json":"https://pith.science/api/pith-number/O76EBWANWPEUGIWSF5AWUF3ZCQ/events.json","paper":"https://pith.science/paper/O76EBWAN"},"agent_actions":{"view_html":"https://pith.science/pith/O76EBWANWPEUGIWSF5AWUF3ZCQ","download_json":"https://pith.science/pith/O76EBWANWPEUGIWSF5AWUF3ZCQ.json","view_paper":"https://pith.science/paper/O76EBWAN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2012.04551&json=true","fetch_graph":"https://pith.science/api/pith-number/O76EBWANWPEUGIWSF5AWUF3ZCQ/graph.json","fetch_events":"https://pith.science/api/pith-number/O76EBWANWPEUGIWSF5AWUF3ZCQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/O76EBWANWPEUGIWSF5AWUF3ZCQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/O76EBWANWPEUGIWSF5AWUF3ZCQ/action/storage_attestation","attest_author":"https://pith.science/pith/O76EBWANWPEUGIWSF5AWUF3ZCQ/action/author_attestation","sign_citation":"https://pith.science/pith/O76EBWANWPEUGIWSF5AWUF3ZCQ/action/citation_signature","submit_replication":"https://pith.science/pith/O76EBWANWPEUGIWSF5AWUF3ZCQ/action/replication_record"}},"created_at":"2026-07-05T03:16:07.196391+00:00","updated_at":"2026-07-05T03:16:07.196391+00:00"}