{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:7SFEVZ2SIFINVPIHY4YD4CIOMX","short_pith_number":"pith:7SFEVZ2S","canonical_record":{"source":{"id":"2001.00775","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2020-01-03T10:17:59Z","cross_cats_sorted":[],"title_canon_sha256":"6f364906dd85a76d0b818bfa3a38a806ff4e801263ee95db110f1e39023f91b9","abstract_canon_sha256":"7b7b5ec7f2b240832c379b51f6ad0d4582efc434a8b870dc83c5c3c2a469aa45"},"schema_version":"1.0"},"canonical_sha256":"fc8a4ae7524150dabd07c7303e090e65e4d8c80249e01ab9ec19a4bfaa0d39d6","source":{"kind":"arxiv","id":"2001.00775","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.00775","created_at":"2026-07-05T00:29:32Z"},{"alias_kind":"arxiv_version","alias_value":"2001.00775v1","created_at":"2026-07-05T00:29:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.00775","created_at":"2026-07-05T00:29:32Z"},{"alias_kind":"pith_short_12","alias_value":"7SFEVZ2SIFIN","created_at":"2026-07-05T00:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"7SFEVZ2SIFINVPIH","created_at":"2026-07-05T00:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"7SFEVZ2S","created_at":"2026-07-05T00:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:7SFEVZ2SIFINVPIHY4YD4CIOMX","target":"record","payload":{"canonical_record":{"source":{"id":"2001.00775","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2020-01-03T10:17:59Z","cross_cats_sorted":[],"title_canon_sha256":"6f364906dd85a76d0b818bfa3a38a806ff4e801263ee95db110f1e39023f91b9","abstract_canon_sha256":"7b7b5ec7f2b240832c379b51f6ad0d4582efc434a8b870dc83c5c3c2a469aa45"},"schema_version":"1.0"},"canonical_sha256":"fc8a4ae7524150dabd07c7303e090e65e4d8c80249e01ab9ec19a4bfaa0d39d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:29:32.278630Z","signature_b64":"Kbt4j+DBfSCs/vLt/sFNGLRSWLuKqJ6Zb/nzwdMHuvAOeXUycgS5wjDP5WhrmlUZl2TAH0XprjS+llJradINDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc8a4ae7524150dabd07c7303e090e65e4d8c80249e01ab9ec19a4bfaa0d39d6","last_reissued_at":"2026-07-05T00:29:32.278273Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:29:32.278273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.00775","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":"2026-07-05T00:29:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rGotNfdV5QBur7pIz0gH5cEfik6NZAuBSpPlfyOdNN6xufie2eohWqAn1M8ZWOyxIzmOx+Oi2UPO9AbaAf0fDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:52:58.884479Z"},"content_sha256":"ce2531ae8810ab2a1e8b63fd31f99c65ca6884af622036dbb76976812c83c85a","schema_version":"1.0","event_id":"sha256:ce2531ae8810ab2a1e8b63fd31f99c65ca6884af622036dbb76976812c83c85a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:7SFEVZ2SIFINVPIHY4YD4CIOMX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Femoral Neck Angle Impacts Hip Disorder and Surgical Intervention: A Patient-Specific 3D Printed Analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Joseph Neil Dentith, Katie McFarlane, Philip Brown, Thanapong Chaichana, Zhonghua Sun","submitted_at":"2020-01-03T10:17:59Z","abstract_excerpt":"The purpose of this study is to investigate the femoral neck angulation for prediction of the complication associated with dynamic hip screw (DHS) surgery and hip deformity. Three sample patients' MRI images were selected to calculate the femoral neck angles. A total of six femur head geometries were reconstructed and three dimensional (3D) models printed. The calculation of neck angles was done in both computer models and 3D-printed models. Our results showed that 3D-printed models achieved high accuracy and provided the physical measurements, when compared to the computer models could not co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.00775","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/2001.00775/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":"2026-07-05T00:29:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hqdS8S5NXEQmataTagLP7esUUerrY2yv3VST8Pv3Rsvmn3Gs6dQd3vKtiJq0JrxzoNR9BAzC0tkHFEkstPyFDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:52:58.885117Z"},"content_sha256":"8367482d0d66915d340fb756d1403dd4b7cb8a53b47de2298581afbc98469400","schema_version":"1.0","event_id":"sha256:8367482d0d66915d340fb756d1403dd4b7cb8a53b47de2298581afbc98469400"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7SFEVZ2SIFINVPIHY4YD4CIOMX/bundle.json","state_url":"https://pith.science/pith/7SFEVZ2SIFINVPIHY4YD4CIOMX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7SFEVZ2SIFINVPIHY4YD4CIOMX/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":"2026-07-07T05:52:58Z","links":{"resolver":"https://pith.science/pith/7SFEVZ2SIFINVPIHY4YD4CIOMX","bundle":"https://pith.science/pith/7SFEVZ2SIFINVPIHY4YD4CIOMX/bundle.json","state":"https://pith.science/pith/7SFEVZ2SIFINVPIHY4YD4CIOMX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7SFEVZ2SIFINVPIHY4YD4CIOMX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:7SFEVZ2SIFINVPIHY4YD4CIOMX","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":"7b7b5ec7f2b240832c379b51f6ad0d4582efc434a8b870dc83c5c3c2a469aa45","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2020-01-03T10:17:59Z","title_canon_sha256":"6f364906dd85a76d0b818bfa3a38a806ff4e801263ee95db110f1e39023f91b9"},"schema_version":"1.0","source":{"id":"2001.00775","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.00775","created_at":"2026-07-05T00:29:32Z"},{"alias_kind":"arxiv_version","alias_value":"2001.00775v1","created_at":"2026-07-05T00:29:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.00775","created_at":"2026-07-05T00:29:32Z"},{"alias_kind":"pith_short_12","alias_value":"7SFEVZ2SIFIN","created_at":"2026-07-05T00:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"7SFEVZ2SIFINVPIH","created_at":"2026-07-05T00:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"7SFEVZ2S","created_at":"2026-07-05T00:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:8367482d0d66915d340fb756d1403dd4b7cb8a53b47de2298581afbc98469400","target":"graph","created_at":"2026-07-05T00:29:32Z","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/2001.00775/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The purpose of this study is to investigate the femoral neck angulation for prediction of the complication associated with dynamic hip screw (DHS) surgery and hip deformity. Three sample patients' MRI images were selected to calculate the femoral neck angles. A total of six femur head geometries were reconstructed and three dimensional (3D) models printed. The calculation of neck angles was done in both computer models and 3D-printed models. Our results showed that 3D-printed models achieved high accuracy and provided the physical measurements, when compared to the computer models could not co","authors_text":"Joseph Neil Dentith, Katie McFarlane, Philip Brown, Thanapong Chaichana, Zhonghua Sun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2020-01-03T10:17:59Z","title":"Femoral Neck Angle Impacts Hip Disorder and Surgical Intervention: A Patient-Specific 3D Printed Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.00775","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:ce2531ae8810ab2a1e8b63fd31f99c65ca6884af622036dbb76976812c83c85a","target":"record","created_at":"2026-07-05T00:29:32Z","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":"7b7b5ec7f2b240832c379b51f6ad0d4582efc434a8b870dc83c5c3c2a469aa45","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2020-01-03T10:17:59Z","title_canon_sha256":"6f364906dd85a76d0b818bfa3a38a806ff4e801263ee95db110f1e39023f91b9"},"schema_version":"1.0","source":{"id":"2001.00775","kind":"arxiv","version":1}},"canonical_sha256":"fc8a4ae7524150dabd07c7303e090e65e4d8c80249e01ab9ec19a4bfaa0d39d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc8a4ae7524150dabd07c7303e090e65e4d8c80249e01ab9ec19a4bfaa0d39d6","first_computed_at":"2026-07-05T00:29:32.278273Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:29:32.278273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Kbt4j+DBfSCs/vLt/sFNGLRSWLuKqJ6Zb/nzwdMHuvAOeXUycgS5wjDP5WhrmlUZl2TAH0XprjS+llJradINDA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:29:32.278630Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.00775","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce2531ae8810ab2a1e8b63fd31f99c65ca6884af622036dbb76976812c83c85a","sha256:8367482d0d66915d340fb756d1403dd4b7cb8a53b47de2298581afbc98469400"],"state_sha256":"e567a4324d9bf8c5b6dfc32da57df11c52479fbc925b10cd12d9a6a64240b21a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dqxaIN88FU+QedLrT8+dgRTF5D1j9qVLDsPW845lcjhnVYgOcldcld4Zo+XorGAsh/rpfWwj8qivbbHrr8DbBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T05:52:58.894883Z","bundle_sha256":"71865f396f92201f4af4fd1acc763420c2b36bd8f6ea77366b58908ef225a87b"}}