{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:3OBY3BNTRMCODXCHXM3TJSQWC5","short_pith_number":"pith:3OBY3BNT","schema_version":"1.0","canonical_sha256":"db838d85b38b04e1dc47bb3734ca161756715337de600436aa349f44aac79d83","source":{"kind":"arxiv","id":"2607.13800","version":1},"attestation_state":"computed","paper":{"title":"Prospective clinical indication, post-hoc report leakage, and fusion design in multi-image chest radiograph classification: a patient-clustered evaluation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Kamran Shahid, Muhammad Munwar Iqbal","submitted_at":"2026-07-15T13:08:09Z","abstract_excerpt":"Chest radiograph datasets often combine multiple images with Clinical Indication, Findings, and Impression, although these inputs are produced at different stages of care. We evaluated 15,000 ReXGradient-160K studies with two readable images and five CheXbert-derived report observations. Frozen DenseNet-121 and Bio+ClinicalBERT encoders were used to compare image-only, Indication-only, fixed-order multimodal, random-swap, DeepSets, and SectionGuard-MI models. Findings and Impression were evaluated only as post-hoc leakage controls. Models were trained with five seeds, and public-test uncertain"},"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":"2607.13800","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-15T13:08:09Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"39a0204d9ded8b57ea971bb2beec5e017e43b382ba2ceb52b960f5c40998cc7a","abstract_canon_sha256":"fe64c82a56618fda040bb2c2741f05da1ca12c21c31999e931f9b8c0ab5b5540"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-16T01:23:07.109069Z","signature_b64":"npECOHIenM530Op5RpS7RZmZB7x1laQ4NbAwA3fPhoBA+xYnLchH2zUxO5UlBvjWv+jM87PdOfenTY/Q1r+vAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db838d85b38b04e1dc47bb3734ca161756715337de600436aa349f44aac79d83","last_reissued_at":"2026-07-16T01:23:07.108240Z","signature_status":"signed_v1","first_computed_at":"2026-07-16T01:23:07.108240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Prospective clinical indication, post-hoc report leakage, and fusion design in multi-image chest radiograph classification: a patient-clustered evaluation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Kamran Shahid, Muhammad Munwar Iqbal","submitted_at":"2026-07-15T13:08:09Z","abstract_excerpt":"Chest radiograph datasets often combine multiple images with Clinical Indication, Findings, and Impression, although these inputs are produced at different stages of care. We evaluated 15,000 ReXGradient-160K studies with two readable images and five CheXbert-derived report observations. Frozen DenseNet-121 and Bio+ClinicalBERT encoders were used to compare image-only, Indication-only, fixed-order multimodal, random-swap, DeepSets, and SectionGuard-MI models. Findings and Impression were evaluated only as post-hoc leakage controls. Models were trained with five seeds, and public-test uncertain"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.13800","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/2607.13800/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":"2607.13800","created_at":"2026-07-16T01:23:07.108685+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.13800v1","created_at":"2026-07-16T01:23:07.108685+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.13800","created_at":"2026-07-16T01:23:07.108685+00:00"},{"alias_kind":"pith_short_12","alias_value":"3OBY3BNTRMCO","created_at":"2026-07-16T01:23:07.108685+00:00"},{"alias_kind":"pith_short_16","alias_value":"3OBY3BNTRMCODXCH","created_at":"2026-07-16T01:23:07.108685+00:00"},{"alias_kind":"pith_short_8","alias_value":"3OBY3BNT","created_at":"2026-07-16T01:23:07.108685+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/3OBY3BNTRMCODXCHXM3TJSQWC5","json":"https://pith.science/pith/3OBY3BNTRMCODXCHXM3TJSQWC5.json","graph_json":"https://pith.science/api/pith-number/3OBY3BNTRMCODXCHXM3TJSQWC5/graph.json","events_json":"https://pith.science/api/pith-number/3OBY3BNTRMCODXCHXM3TJSQWC5/events.json","paper":"https://pith.science/paper/3OBY3BNT"},"agent_actions":{"view_html":"https://pith.science/pith/3OBY3BNTRMCODXCHXM3TJSQWC5","download_json":"https://pith.science/pith/3OBY3BNTRMCODXCHXM3TJSQWC5.json","view_paper":"https://pith.science/paper/3OBY3BNT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.13800&json=true","fetch_graph":"https://pith.science/api/pith-number/3OBY3BNTRMCODXCHXM3TJSQWC5/graph.json","fetch_events":"https://pith.science/api/pith-number/3OBY3BNTRMCODXCHXM3TJSQWC5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3OBY3BNTRMCODXCHXM3TJSQWC5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3OBY3BNTRMCODXCHXM3TJSQWC5/action/storage_attestation","attest_author":"https://pith.science/pith/3OBY3BNTRMCODXCHXM3TJSQWC5/action/author_attestation","sign_citation":"https://pith.science/pith/3OBY3BNTRMCODXCHXM3TJSQWC5/action/citation_signature","submit_replication":"https://pith.science/pith/3OBY3BNTRMCODXCHXM3TJSQWC5/action/replication_record"}},"created_at":"2026-07-16T01:23:07.108685+00:00","updated_at":"2026-07-16T01:23:07.108685+00:00"}