{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UTTICS6HP2MNR5AHRYOS2LYZUB","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":"8c026323d980b1d582c49d7e86062740d2289366f744e1eb4e9488c780b8d2b4","cross_cats_sorted":["q-bio.TO"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2016-01-27T20:20:05Z","title_canon_sha256":"8aade0a1c81a0491e14a4c4ffa378678fb74fddc21678033b077d512c5410ff8"},"schema_version":"1.0","source":{"id":"1601.07533","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.07533","created_at":"2026-05-18T00:58:57Z"},{"alias_kind":"arxiv_version","alias_value":"1601.07533v1","created_at":"2026-05-18T00:58:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.07533","created_at":"2026-05-18T00:58:57Z"},{"alias_kind":"pith_short_12","alias_value":"UTTICS6HP2MN","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UTTICS6HP2MNR5AH","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UTTICS6H","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:f21c8ccfa5e37dfebef827bcbc5f10e67f741d261d01e0326eec7d1cc70fdd5d","target":"graph","created_at":"2026-05-18T00:58:57Z","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"},"paper":{"abstract_excerpt":"Classification of vertebral compression fractures (VCF) having osteoporotic or neoplastic origin is fundamental to the planning of treatment. We developed a fracture classification system by acquiring quantitative morphologic and bone density determinants of fracture progression through the use of automated measurements from longitudinal studies. A total of 250 CT studies were acquired for the task, each having previously identified VCFs with osteoporosis or neoplasm. Thirty-six features or each identified VCF were computed and classified using a committee of support vector machines. Ten-fold ","authors_text":"Jianhua Yao, Joseph E. Burns, Ronald M. Summers, Yinong Wang","cross_cats":["q-bio.TO"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2016-01-27T20:20:05Z","title":"Osteoporotic and Neoplastic Compression Fracture Classification on Longitudinal CT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.07533","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:f45092e19e8fd8190b253b3a58415f8bee99081b17afdbe41e719a052d8dab55","target":"record","created_at":"2026-05-18T00:58:57Z","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":"8c026323d980b1d582c49d7e86062740d2289366f744e1eb4e9488c780b8d2b4","cross_cats_sorted":["q-bio.TO"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2016-01-27T20:20:05Z","title_canon_sha256":"8aade0a1c81a0491e14a4c4ffa378678fb74fddc21678033b077d512c5410ff8"},"schema_version":"1.0","source":{"id":"1601.07533","kind":"arxiv","version":1}},"canonical_sha256":"a4e6814bc77e98d8f4078e1d2d2f19a0605d6f6b72c899b04fa4dac23e196b11","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a4e6814bc77e98d8f4078e1d2d2f19a0605d6f6b72c899b04fa4dac23e196b11","first_computed_at":"2026-05-18T00:58:57.289302Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:58:57.289302Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DVSPMNzYmLB9geZ5BT9mNINwXroF3vh63vucSDoBW1Rw2OqisxRu8wCKo6A0M2zgS3UBGwvkIlR+BW0LjVYXAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:58:57.289922Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.07533","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f45092e19e8fd8190b253b3a58415f8bee99081b17afdbe41e719a052d8dab55","sha256:f21c8ccfa5e37dfebef827bcbc5f10e67f741d261d01e0326eec7d1cc70fdd5d"],"state_sha256":"fa1c57f4d238d535671add588cf812a033ae8baae7255bf1d957b52b5fa7d8dd"}