{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:WD45EXJ2Y2D2R43ZV4ZV3LTATE","short_pith_number":"pith:WD45EXJ2","canonical_record":{"source":{"id":"2507.19858","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2025-07-26T08:23:43Z","cross_cats_sorted":["cs.CE","cs.CV","cs.LG"],"title_canon_sha256":"4960f79f717e9562a2d02c9bd3ccb44caf9f102a3287296ac3e747fa949dba2b","abstract_canon_sha256":"2fc9cae92c654f0ac4a9971e2db4b4d1325356f5898d40ba71ec4f64f35c6cda"},"schema_version":"1.0"},"canonical_sha256":"b0f9d25d3ac687a8f379af335dae609919394f1e3096145291ce3e3125ba125d","source":{"kind":"arxiv","id":"2507.19858","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.19858","created_at":"2026-07-05T11:43:43Z"},{"alias_kind":"arxiv_version","alias_value":"2507.19858v1","created_at":"2026-07-05T11:43:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.19858","created_at":"2026-07-05T11:43:43Z"},{"alias_kind":"pith_short_12","alias_value":"WD45EXJ2Y2D2","created_at":"2026-07-05T11:43:43Z"},{"alias_kind":"pith_short_16","alias_value":"WD45EXJ2Y2D2R43Z","created_at":"2026-07-05T11:43:43Z"},{"alias_kind":"pith_short_8","alias_value":"WD45EXJ2","created_at":"2026-07-05T11:43:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:WD45EXJ2Y2D2R43ZV4ZV3LTATE","target":"record","payload":{"canonical_record":{"source":{"id":"2507.19858","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2025-07-26T08:23:43Z","cross_cats_sorted":["cs.CE","cs.CV","cs.LG"],"title_canon_sha256":"4960f79f717e9562a2d02c9bd3ccb44caf9f102a3287296ac3e747fa949dba2b","abstract_canon_sha256":"2fc9cae92c654f0ac4a9971e2db4b4d1325356f5898d40ba71ec4f64f35c6cda"},"schema_version":"1.0"},"canonical_sha256":"b0f9d25d3ac687a8f379af335dae609919394f1e3096145291ce3e3125ba125d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:43:43.650051Z","signature_b64":"LDBBezWPKB1x7bQTNQkJiXqDmbzbSG+lbAeIEsjNJbMl869LV5dv7zLa6OWRVvdAUEhC322ejIlrbYUSa0GeCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0f9d25d3ac687a8f379af335dae609919394f1e3096145291ce3e3125ba125d","last_reissued_at":"2026-07-05T11:43:43.649522Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:43:43.649522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.19858","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":"2026-07-05T11:43:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bz6oqPh157HcL8BxfBBubTChlRtHK2VMWRpSJlN4OXsyVULQ44xPvoU0h6zk4XLdS++h7OTcwbDXlelapEBJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T16:58:48.288834Z"},"content_sha256":"9136afbf40a51460d576bc661920d4e10a326401cf42c6aafdd3942c61adde83","schema_version":"1.0","event_id":"sha256:9136afbf40a51460d576bc661920d4e10a326401cf42c6aafdd3942c61adde83"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:WD45EXJ2Y2D2R43ZV4ZV3LTATE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Taming Domain Shift in Multi-source CT-Scan Classification via Input-Space Standardization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CE","cs.CV","cs.LG"],"primary_cat":"eess.IV","authors_text":"Bo-Cheng Qiu, Chia-Ming Lee, Chih-Chung Hsu, Fang-Ying Lin, I-An Tsai, Jung-Tse Tsai, Ming-Han Sun, Ting-Yao Chen, Yu-Fan Lin","submitted_at":"2025-07-26T08:23:43Z","abstract_excerpt":"Multi-source CT-scan classification suffers from domain shifts that impair cross-source generalization. While preprocessing pipelines combining Spatial-Slice Feature Learning (SSFL++) and Kernel-Density-based Slice Sampling (KDS) have shown empirical success, the mechanisms underlying their domain robustness remain underexplored. This study analyzes how this input-space standardization manages the trade-off between local discriminability and cross-source generalization. The SSFL++ and KDS pipeline performs spatial and temporal standardization to reduce inter-source variance, effectively mappin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.19858","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/2507.19858/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":"2026-07-05T11:43:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L+TKwi4aLdjvFXBPJBEHhN7sHjY0LqxAJGZGQk4iu7YG6M6lG8ZxXMiF66q2IVwZVPt+O04kN0pA4AFnKdBUAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T16:58:48.289206Z"},"content_sha256":"2939c6a9a4ca880f973022a7daf9ce2169b9892940bcea2872cdc57162b6f027","schema_version":"1.0","event_id":"sha256:2939c6a9a4ca880f973022a7daf9ce2169b9892940bcea2872cdc57162b6f027"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WD45EXJ2Y2D2R43ZV4ZV3LTATE/bundle.json","state_url":"https://pith.science/pith/WD45EXJ2Y2D2R43ZV4ZV3LTATE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WD45EXJ2Y2D2R43ZV4ZV3LTATE/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":"2026-07-12T16:58:48Z","links":{"resolver":"https://pith.science/pith/WD45EXJ2Y2D2R43ZV4ZV3LTATE","bundle":"https://pith.science/pith/WD45EXJ2Y2D2R43ZV4ZV3LTATE/bundle.json","state":"https://pith.science/pith/WD45EXJ2Y2D2R43ZV4ZV3LTATE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WD45EXJ2Y2D2R43ZV4ZV3LTATE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:WD45EXJ2Y2D2R43ZV4ZV3LTATE","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":"2fc9cae92c654f0ac4a9971e2db4b4d1325356f5898d40ba71ec4f64f35c6cda","cross_cats_sorted":["cs.CE","cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2025-07-26T08:23:43Z","title_canon_sha256":"4960f79f717e9562a2d02c9bd3ccb44caf9f102a3287296ac3e747fa949dba2b"},"schema_version":"1.0","source":{"id":"2507.19858","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.19858","created_at":"2026-07-05T11:43:43Z"},{"alias_kind":"arxiv_version","alias_value":"2507.19858v1","created_at":"2026-07-05T11:43:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.19858","created_at":"2026-07-05T11:43:43Z"},{"alias_kind":"pith_short_12","alias_value":"WD45EXJ2Y2D2","created_at":"2026-07-05T11:43:43Z"},{"alias_kind":"pith_short_16","alias_value":"WD45EXJ2Y2D2R43Z","created_at":"2026-07-05T11:43:43Z"},{"alias_kind":"pith_short_8","alias_value":"WD45EXJ2","created_at":"2026-07-05T11:43:43Z"}],"graph_snapshots":[{"event_id":"sha256:2939c6a9a4ca880f973022a7daf9ce2169b9892940bcea2872cdc57162b6f027","target":"graph","created_at":"2026-07-05T11:43:43Z","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/2507.19858/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-source CT-scan classification suffers from domain shifts that impair cross-source generalization. While preprocessing pipelines combining Spatial-Slice Feature Learning (SSFL++) and Kernel-Density-based Slice Sampling (KDS) have shown empirical success, the mechanisms underlying their domain robustness remain underexplored. This study analyzes how this input-space standardization manages the trade-off between local discriminability and cross-source generalization. The SSFL++ and KDS pipeline performs spatial and temporal standardization to reduce inter-source variance, effectively mappin","authors_text":"Bo-Cheng Qiu, Chia-Ming Lee, Chih-Chung Hsu, Fang-Ying Lin, I-An Tsai, Jung-Tse Tsai, Ming-Han Sun, Ting-Yao Chen, Yu-Fan Lin","cross_cats":["cs.CE","cs.CV","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2025-07-26T08:23:43Z","title":"Taming Domain Shift in Multi-source CT-Scan Classification via Input-Space Standardization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.19858","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":"sha256:9136afbf40a51460d576bc661920d4e10a326401cf42c6aafdd3942c61adde83","target":"record","created_at":"2026-07-05T11:43:43Z","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":"2fc9cae92c654f0ac4a9971e2db4b4d1325356f5898d40ba71ec4f64f35c6cda","cross_cats_sorted":["cs.CE","cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2025-07-26T08:23:43Z","title_canon_sha256":"4960f79f717e9562a2d02c9bd3ccb44caf9f102a3287296ac3e747fa949dba2b"},"schema_version":"1.0","source":{"id":"2507.19858","kind":"arxiv","version":1}},"canonical_sha256":"b0f9d25d3ac687a8f379af335dae609919394f1e3096145291ce3e3125ba125d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b0f9d25d3ac687a8f379af335dae609919394f1e3096145291ce3e3125ba125d","first_computed_at":"2026-07-05T11:43:43.649522Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:43:43.649522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LDBBezWPKB1x7bQTNQkJiXqDmbzbSG+lbAeIEsjNJbMl869LV5dv7zLa6OWRVvdAUEhC322ejIlrbYUSa0GeCg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:43:43.650051Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.19858","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9136afbf40a51460d576bc661920d4e10a326401cf42c6aafdd3942c61adde83","sha256:2939c6a9a4ca880f973022a7daf9ce2169b9892940bcea2872cdc57162b6f027"],"state_sha256":"ac3f5be28392ce3229c35d5a10d8228a472ee389eab153da4af9b5d1de584976"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dh9c6lhOs9gUcv3KV7VAcexuVKtjM/ZRwW/Sm0TaJ6QbVhqNsdKO+SCipbztIRyMwHHh9tEfR+UxtPvcz621CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-12T16:58:48.291692Z","bundle_sha256":"9cc7325ed328fb2fca36e7b8417cdbb8d8a66349b77211e82b4564b35df3e6ab"}}