{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:DRDF7ARMCCK6NMIZCEGQ6A7USE","short_pith_number":"pith:DRDF7ARM","canonical_record":{"source":{"id":"2406.18063","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.med-ph","submitted_at":"2024-06-26T04:49:34Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"4433f4edc7ca32fb1d5ac0a149fe08563a363cb6cf709ceb44ccf8927a15c19b","abstract_canon_sha256":"a8d297b931fd1b5e8983a84528bc0c477b6d4aa3ce9984b9f1de53c385b68b20"},"schema_version":"1.0"},"canonical_sha256":"1c465f822c1095e6b119110d0f03f4910e4e5605e1c3521f0b472992d8e6ab96","source":{"kind":"arxiv","id":"2406.18063","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.18063","created_at":"2026-07-05T08:36:54Z"},{"alias_kind":"arxiv_version","alias_value":"2406.18063v1","created_at":"2026-07-05T08:36:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.18063","created_at":"2026-07-05T08:36:54Z"},{"alias_kind":"pith_short_12","alias_value":"DRDF7ARMCCK6","created_at":"2026-07-05T08:36:54Z"},{"alias_kind":"pith_short_16","alias_value":"DRDF7ARMCCK6NMIZ","created_at":"2026-07-05T08:36:54Z"},{"alias_kind":"pith_short_8","alias_value":"DRDF7ARM","created_at":"2026-07-05T08:36:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:DRDF7ARMCCK6NMIZCEGQ6A7USE","target":"record","payload":{"canonical_record":{"source":{"id":"2406.18063","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.med-ph","submitted_at":"2024-06-26T04:49:34Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"4433f4edc7ca32fb1d5ac0a149fe08563a363cb6cf709ceb44ccf8927a15c19b","abstract_canon_sha256":"a8d297b931fd1b5e8983a84528bc0c477b6d4aa3ce9984b9f1de53c385b68b20"},"schema_version":"1.0"},"canonical_sha256":"1c465f822c1095e6b119110d0f03f4910e4e5605e1c3521f0b472992d8e6ab96","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:36:54.543471Z","signature_b64":"Qj3UYjIzNkB70Jao0Sp2TgT3LEoBDOig3W5BEngIPly6TF138JCLQM0a9ubmt9O/UU454+9XHKj94wt3s8TWBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c465f822c1095e6b119110d0f03f4910e4e5605e1c3521f0b472992d8e6ab96","last_reissued_at":"2026-07-05T08:36:54.542930Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:36:54.542930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.18063","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:36:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FeL1asVXNZySjY9O2tGqyGYhaUa61L0ZkKz3gz0LZ2yqeVJsrrt1pWNd0XNsIptMIGBEJCB2w7zymBjbBT+EAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T07:33:47.039487Z"},"content_sha256":"e2e5c3da10f0740975f338df0069abb4b943c71cf9f74def485fc892aa0022c5","schema_version":"1.0","event_id":"sha256:e2e5c3da10f0740975f338df0069abb4b943c71cf9f74def485fc892aa0022c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:DRDF7ARMCCK6NMIZCEGQ6A7USE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Data-driven imaging geometric recovery of ultrahigh resolution robotic micro-CT for in-vivo and other applications","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"physics.med-ph","authors_text":"Ge Wang, Guibin Zan, John Wen, Josef Uher, Mengzhou Li, Wenbin Yun","submitted_at":"2024-06-26T04:49:34Z","abstract_excerpt":"We introduce an ultrahigh-resolution (50\\mu m\\) robotic micro-CT design for localized imaging of carotid plaques using robotic arms, cutting-edge detector, and machine learning technologies. To combat geometric error-induced artifacts in interior CT scans, we propose a data-driven geometry estimation method that maximizes the consistency between projection data and the reprojection counterparts of a reconstructed volume. Particularly, we use a normalized cross correlation metric to overcome the projection truncation effect. Our approach is validated on a robotic CT scan of a sacrificed mouse a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.18063","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.18063/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:36:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iCV0lZwl2GCJxmbi7V+4ESkfRjKigPq0DmXXb5UQltXloN4+rZxg2Gowmro60iJoLvv0fVLhk5SCjaCVNDQ7DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T07:33:47.040295Z"},"content_sha256":"39986484bf9af7b59f260addcaa3e6ccc79f8039841a488e035ea785fd01464b","schema_version":"1.0","event_id":"sha256:39986484bf9af7b59f260addcaa3e6ccc79f8039841a488e035ea785fd01464b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DRDF7ARMCCK6NMIZCEGQ6A7USE/bundle.json","state_url":"https://pith.science/pith/DRDF7ARMCCK6NMIZCEGQ6A7USE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DRDF7ARMCCK6NMIZCEGQ6A7USE/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-15T07:33:47Z","links":{"resolver":"https://pith.science/pith/DRDF7ARMCCK6NMIZCEGQ6A7USE","bundle":"https://pith.science/pith/DRDF7ARMCCK6NMIZCEGQ6A7USE/bundle.json","state":"https://pith.science/pith/DRDF7ARMCCK6NMIZCEGQ6A7USE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DRDF7ARMCCK6NMIZCEGQ6A7USE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DRDF7ARMCCK6NMIZCEGQ6A7USE","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a8d297b931fd1b5e8983a84528bc0c477b6d4aa3ce9984b9f1de53c385b68b20","cross_cats_sorted":["eess.IV"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.med-ph","submitted_at":"2024-06-26T04:49:34Z","title_canon_sha256":"4433f4edc7ca32fb1d5ac0a149fe08563a363cb6cf709ceb44ccf8927a15c19b"},"schema_version":"1.0","source":{"id":"2406.18063","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.18063","created_at":"2026-07-05T08:36:54Z"},{"alias_kind":"arxiv_version","alias_value":"2406.18063v1","created_at":"2026-07-05T08:36:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.18063","created_at":"2026-07-05T08:36:54Z"},{"alias_kind":"pith_short_12","alias_value":"DRDF7ARMCCK6","created_at":"2026-07-05T08:36:54Z"},{"alias_kind":"pith_short_16","alias_value":"DRDF7ARMCCK6NMIZ","created_at":"2026-07-05T08:36:54Z"},{"alias_kind":"pith_short_8","alias_value":"DRDF7ARM","created_at":"2026-07-05T08:36:54Z"}],"graph_snapshots":[{"event_id":"sha256:39986484bf9af7b59f260addcaa3e6ccc79f8039841a488e035ea785fd01464b","target":"graph","created_at":"2026-07-05T08:36:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2406.18063/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce an ultrahigh-resolution (50\\mu m\\) robotic micro-CT design for localized imaging of carotid plaques using robotic arms, cutting-edge detector, and machine learning technologies. To combat geometric error-induced artifacts in interior CT scans, we propose a data-driven geometry estimation method that maximizes the consistency between projection data and the reprojection counterparts of a reconstructed volume. Particularly, we use a normalized cross correlation metric to overcome the projection truncation effect. Our approach is validated on a robotic CT scan of a sacrificed mouse a","authors_text":"Ge Wang, Guibin Zan, John Wen, Josef Uher, Mengzhou Li, Wenbin Yun","cross_cats":["eess.IV"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.med-ph","submitted_at":"2024-06-26T04:49:34Z","title":"Data-driven imaging geometric recovery of ultrahigh resolution robotic micro-CT for in-vivo and other applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.18063","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:e2e5c3da10f0740975f338df0069abb4b943c71cf9f74def485fc892aa0022c5","target":"record","created_at":"2026-07-05T08:36:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a8d297b931fd1b5e8983a84528bc0c477b6d4aa3ce9984b9f1de53c385b68b20","cross_cats_sorted":["eess.IV"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.med-ph","submitted_at":"2024-06-26T04:49:34Z","title_canon_sha256":"4433f4edc7ca32fb1d5ac0a149fe08563a363cb6cf709ceb44ccf8927a15c19b"},"schema_version":"1.0","source":{"id":"2406.18063","kind":"arxiv","version":1}},"canonical_sha256":"1c465f822c1095e6b119110d0f03f4910e4e5605e1c3521f0b472992d8e6ab96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c465f822c1095e6b119110d0f03f4910e4e5605e1c3521f0b472992d8e6ab96","first_computed_at":"2026-07-05T08:36:54.542930Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:36:54.542930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qj3UYjIzNkB70Jao0Sp2TgT3LEoBDOig3W5BEngIPly6TF138JCLQM0a9ubmt9O/UU454+9XHKj94wt3s8TWBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:36:54.543471Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.18063","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e2e5c3da10f0740975f338df0069abb4b943c71cf9f74def485fc892aa0022c5","sha256:39986484bf9af7b59f260addcaa3e6ccc79f8039841a488e035ea785fd01464b"],"state_sha256":"5a5cfab37a957e8e9cf4549492b3df25b2dd732d211d962111a162ca4767bcb8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZoDWr3HqObiZDg54r1pZl6c44R/n5WO9MJM7X6VAtf7uAuhv0Qqlbii+D9ye88qlI9vfMdP+M6dRbODPX3YPDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T07:33:47.045914Z","bundle_sha256":"2acb7ea25b15ed8add104bcae66687f97cfb410a246756cda1bd60616570476c"}}