{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:MTCNFKHJJ4WKZVF227FYWDUGLZ","short_pith_number":"pith:MTCNFKHJ","canonical_record":{"source":{"id":"2409.15731","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-09-24T04:27:29Z","cross_cats_sorted":[],"title_canon_sha256":"f520feabd7ab326696e1d5dbb90cf685b1edc09a14a8c42ae23c8f8b463fb402","abstract_canon_sha256":"a77093414551b5dfd1bd24131edc8eaf2b88bb84a0852d637a7dbd5d69501d04"},"schema_version":"1.0"},"canonical_sha256":"64c4d2a8e94f2cacd4bad7cb8b0e865e60f906cc6fdf408ef9abec2589cbf976","source":{"kind":"arxiv","id":"2409.15731","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.15731","created_at":"2026-07-05T11:29:01Z"},{"alias_kind":"arxiv_version","alias_value":"2409.15731v3","created_at":"2026-07-05T11:29:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.15731","created_at":"2026-07-05T11:29:01Z"},{"alias_kind":"pith_short_12","alias_value":"MTCNFKHJJ4WK","created_at":"2026-07-05T11:29:01Z"},{"alias_kind":"pith_short_16","alias_value":"MTCNFKHJJ4WKZVF2","created_at":"2026-07-05T11:29:01Z"},{"alias_kind":"pith_short_8","alias_value":"MTCNFKHJ","created_at":"2026-07-05T11:29:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:MTCNFKHJJ4WKZVF227FYWDUGLZ","target":"record","payload":{"canonical_record":{"source":{"id":"2409.15731","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-09-24T04:27:29Z","cross_cats_sorted":[],"title_canon_sha256":"f520feabd7ab326696e1d5dbb90cf685b1edc09a14a8c42ae23c8f8b463fb402","abstract_canon_sha256":"a77093414551b5dfd1bd24131edc8eaf2b88bb84a0852d637a7dbd5d69501d04"},"schema_version":"1.0"},"canonical_sha256":"64c4d2a8e94f2cacd4bad7cb8b0e865e60f906cc6fdf408ef9abec2589cbf976","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:29:01.959730Z","signature_b64":"ZQ1zhbKp805MfyBZKVLs/q/8Z/OMoZXLK/OIg0okHxKrHfLBnupEDTGBucebFooaqnQKOSMJtfA27NS4/z+HCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64c4d2a8e94f2cacd4bad7cb8b0e865e60f906cc6fdf408ef9abec2589cbf976","last_reissued_at":"2026-07-05T11:29:01.959163Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:29:01.959163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.15731","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:29:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FopcBC5VX4SK7wR+HorGfJTl/oq3U2z9xwK1h1iUbZZff8xJardwUjojmJzMxSYPWnjzlhm1vqRZFAfa1FnmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T21:58:39.302329Z"},"content_sha256":"aa8f0d608a9556162e987bf019e4160b59db2cef2acd6af856c4a915d4e1e469","schema_version":"1.0","event_id":"sha256:aa8f0d608a9556162e987bf019e4160b59db2cef2acd6af856c4a915d4e1e469"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:MTCNFKHJJ4WKZVF227FYWDUGLZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ring Artifacts Removal Based on Implicit Neural Representation of Sinogram Data","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.IV","authors_text":"Chang Liu, Ligen Shi, Ping Yang, Shifeng Guo, Xing Zhao, Xu Jiang, Yunze Liu","submitted_at":"2024-09-24T04:27:29Z","abstract_excerpt":"Inconsistent responses of X-ray detector elements lead to stripe artifacts in the sinogram data, which manifest as ring artifacts in the reconstructed CT images, severely degrading image quality. This paper proposes a method for correcting stripe artifacts in the sinogram data. The proposed method leverages implicit neural representation (INR) to correct defective pixel response values using implicit continuous functions and simultaneously learns stripe features in the angular direction of the sinogram data. These two components are combined within an optimization constraint framework, achievi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.15731","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/2409.15731/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":"2026-07-05T11:29:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GtKo57UXoVMq2NSTWdU44NRoGfPbiV3ZJjPGT9PxOTc68lKljnLQgRHR1WBXoHDx5P2LokByzbUZf/QBWR8yDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T21:58:39.303049Z"},"content_sha256":"17b2a9b7d302978b05d0ea7c3bbbe2c8da31f38fd86b086295e2029508bd0226","schema_version":"1.0","event_id":"sha256:17b2a9b7d302978b05d0ea7c3bbbe2c8da31f38fd86b086295e2029508bd0226"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MTCNFKHJJ4WKZVF227FYWDUGLZ/bundle.json","state_url":"https://pith.science/pith/MTCNFKHJJ4WKZVF227FYWDUGLZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MTCNFKHJJ4WKZVF227FYWDUGLZ/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":"2026-07-12T21:58:39Z","links":{"resolver":"https://pith.science/pith/MTCNFKHJJ4WKZVF227FYWDUGLZ","bundle":"https://pith.science/pith/MTCNFKHJJ4WKZVF227FYWDUGLZ/bundle.json","state":"https://pith.science/pith/MTCNFKHJJ4WKZVF227FYWDUGLZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MTCNFKHJJ4WKZVF227FYWDUGLZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:MTCNFKHJJ4WKZVF227FYWDUGLZ","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":"a77093414551b5dfd1bd24131edc8eaf2b88bb84a0852d637a7dbd5d69501d04","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-09-24T04:27:29Z","title_canon_sha256":"f520feabd7ab326696e1d5dbb90cf685b1edc09a14a8c42ae23c8f8b463fb402"},"schema_version":"1.0","source":{"id":"2409.15731","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.15731","created_at":"2026-07-05T11:29:01Z"},{"alias_kind":"arxiv_version","alias_value":"2409.15731v3","created_at":"2026-07-05T11:29:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.15731","created_at":"2026-07-05T11:29:01Z"},{"alias_kind":"pith_short_12","alias_value":"MTCNFKHJJ4WK","created_at":"2026-07-05T11:29:01Z"},{"alias_kind":"pith_short_16","alias_value":"MTCNFKHJJ4WKZVF2","created_at":"2026-07-05T11:29:01Z"},{"alias_kind":"pith_short_8","alias_value":"MTCNFKHJ","created_at":"2026-07-05T11:29:01Z"}],"graph_snapshots":[{"event_id":"sha256:17b2a9b7d302978b05d0ea7c3bbbe2c8da31f38fd86b086295e2029508bd0226","target":"graph","created_at":"2026-07-05T11:29:01Z","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/2409.15731/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Inconsistent responses of X-ray detector elements lead to stripe artifacts in the sinogram data, which manifest as ring artifacts in the reconstructed CT images, severely degrading image quality. This paper proposes a method for correcting stripe artifacts in the sinogram data. The proposed method leverages implicit neural representation (INR) to correct defective pixel response values using implicit continuous functions and simultaneously learns stripe features in the angular direction of the sinogram data. These two components are combined within an optimization constraint framework, achievi","authors_text":"Chang Liu, Ligen Shi, Ping Yang, Shifeng Guo, Xing Zhao, Xu Jiang, Yunze Liu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-09-24T04:27:29Z","title":"Ring Artifacts Removal Based on Implicit Neural Representation of Sinogram Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.15731","kind":"arxiv","version":3},"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:aa8f0d608a9556162e987bf019e4160b59db2cef2acd6af856c4a915d4e1e469","target":"record","created_at":"2026-07-05T11:29:01Z","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":"a77093414551b5dfd1bd24131edc8eaf2b88bb84a0852d637a7dbd5d69501d04","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-09-24T04:27:29Z","title_canon_sha256":"f520feabd7ab326696e1d5dbb90cf685b1edc09a14a8c42ae23c8f8b463fb402"},"schema_version":"1.0","source":{"id":"2409.15731","kind":"arxiv","version":3}},"canonical_sha256":"64c4d2a8e94f2cacd4bad7cb8b0e865e60f906cc6fdf408ef9abec2589cbf976","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64c4d2a8e94f2cacd4bad7cb8b0e865e60f906cc6fdf408ef9abec2589cbf976","first_computed_at":"2026-07-05T11:29:01.959163Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:29:01.959163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZQ1zhbKp805MfyBZKVLs/q/8Z/OMoZXLK/OIg0okHxKrHfLBnupEDTGBucebFooaqnQKOSMJtfA27NS4/z+HCg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:29:01.959730Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.15731","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa8f0d608a9556162e987bf019e4160b59db2cef2acd6af856c4a915d4e1e469","sha256:17b2a9b7d302978b05d0ea7c3bbbe2c8da31f38fd86b086295e2029508bd0226"],"state_sha256":"b7d5a6604af2bc56d466d656df5cfb6184c987e88c0d6bddc15d6a42ff769986"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XUY/0u81dIyKl7GXye0Xzo2pKuEpjgyJNVcFja3TT10ZI7aYFB19X3FyuSRvraWpAMxgNsk8cbD8g2RaQwZmBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-12T21:58:39.308116Z","bundle_sha256":"2c7e5b1da8102bc54150d1384015ede0e5cb08a726d38add6b82da9cafeeb5b4"}}