{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:J3G4IQWG62ZZ7FHGOP7C5Q6XZL","short_pith_number":"pith:J3G4IQWG","canonical_record":{"source":{"id":"2401.01201","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-01-02T13:04:41Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"11c147b11c5e62eaffded7b58783183aecb3e41e9b95e11a3a65cb4cc026f7d4","abstract_canon_sha256":"ae34f1b2429593cbb754dc5337748f75663eb382305255662a95871acd2773b7"},"schema_version":"1.0"},"canonical_sha256":"4ecdc442c6f6b39f94e673fe2ec3d7caf5f53dc38ca7c11d28059207f9a81e91","source":{"kind":"arxiv","id":"2401.01201","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.01201","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"arxiv_version","alias_value":"2401.01201v1","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.01201","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_12","alias_value":"J3G4IQWG62ZZ","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_16","alias_value":"J3G4IQWG62ZZ7FHG","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_8","alias_value":"J3G4IQWG","created_at":"2026-07-05T10:12:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:J3G4IQWG62ZZ7FHGOP7C5Q6XZL","target":"record","payload":{"canonical_record":{"source":{"id":"2401.01201","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-01-02T13:04:41Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"11c147b11c5e62eaffded7b58783183aecb3e41e9b95e11a3a65cb4cc026f7d4","abstract_canon_sha256":"ae34f1b2429593cbb754dc5337748f75663eb382305255662a95871acd2773b7"},"schema_version":"1.0"},"canonical_sha256":"4ecdc442c6f6b39f94e673fe2ec3d7caf5f53dc38ca7c11d28059207f9a81e91","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:12:13.974992Z","signature_b64":"DJLsuumODtJ5NPj67ZUIZuDlXbLstNXoBJSqw3KdzxGHl6Bx4p2YZJk4KAemOCMy6X/De6kSlRlKUtb+UQjECg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ecdc442c6f6b39f94e673fe2ec3d7caf5f53dc38ca7c11d28059207f9a81e91","last_reissued_at":"2026-07-05T10:12:13.974447Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:12:13.974447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.01201","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":"2026-07-05T10:12:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dy8cnhSM5ZnA62LMzcOHtGtGA39rpS3qHN4EdvDuQYk86ihqgqMO/9+bPyKO7VdIaLHHkLrmKkCewoeXVsDWDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T22:04:08.256965Z"},"content_sha256":"5dba1e1690b9fbac8495cb3034fc1fbc0f81b5edd6013c00748d5f65feb5021b","schema_version":"1.0","event_id":"sha256:5dba1e1690b9fbac8495cb3034fc1fbc0f81b5edd6013c00748d5f65feb5021b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:J3G4IQWG62ZZ7FHGOP7C5Q6XZL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Whole-examination AI estimation of fetal biometrics from 20-week ultrasound scans","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CV","authors_text":"Alfonso Farruggia, Bernhard Kainz, Jacqueline Matthew, Jo V. Hajnal, Lorenzo Venturini, Reza Razavi, Robert Wright, Samuel Budd, Thomas G. Day","submitted_at":"2024-01-02T13:04:41Z","abstract_excerpt":"The current approach to fetal anomaly screening is based on biometric measurements derived from individually selected ultrasound images. In this paper, we introduce a paradigm shift that attains human-level performance in biometric measurement by aggregating automatically extracted biometrics from every frame across an entire scan, with no need for operator intervention. We use a convolutional neural network to classify each frame of an ultrasound video recording. We then measure fetal biometrics in every frame where appropriate anatomy is visible. We use a Bayesian method to estimate the true"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.01201","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/2401.01201/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":"2026-07-05T10:12:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J1yAZzINz4c1MujwSwc/DiqSVTYU2MXjAd9n1PO7riagAb/Pw8CTMaE4Cr/TvkBuZlw3hOIh2q4c/YohlB2GDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T22:04:08.257467Z"},"content_sha256":"37bb61f41bcf5159369725122d1fbd985994c37abe0c4fc2c59f612eb273f623","schema_version":"1.0","event_id":"sha256:37bb61f41bcf5159369725122d1fbd985994c37abe0c4fc2c59f612eb273f623"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J3G4IQWG62ZZ7FHGOP7C5Q6XZL/bundle.json","state_url":"https://pith.science/pith/J3G4IQWG62ZZ7FHGOP7C5Q6XZL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J3G4IQWG62ZZ7FHGOP7C5Q6XZL/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":"2026-08-23T22:04:08Z","links":{"resolver":"https://pith.science/pith/J3G4IQWG62ZZ7FHGOP7C5Q6XZL","bundle":"https://pith.science/pith/J3G4IQWG62ZZ7FHGOP7C5Q6XZL/bundle.json","state":"https://pith.science/pith/J3G4IQWG62ZZ7FHGOP7C5Q6XZL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J3G4IQWG62ZZ7FHGOP7C5Q6XZL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:J3G4IQWG62ZZ7FHGOP7C5Q6XZL","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":"ae34f1b2429593cbb754dc5337748f75663eb382305255662a95871acd2773b7","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-01-02T13:04:41Z","title_canon_sha256":"11c147b11c5e62eaffded7b58783183aecb3e41e9b95e11a3a65cb4cc026f7d4"},"schema_version":"1.0","source":{"id":"2401.01201","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.01201","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"arxiv_version","alias_value":"2401.01201v1","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.01201","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_12","alias_value":"J3G4IQWG62ZZ","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_16","alias_value":"J3G4IQWG62ZZ7FHG","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_8","alias_value":"J3G4IQWG","created_at":"2026-07-05T10:12:13Z"}],"graph_snapshots":[{"event_id":"sha256:37bb61f41bcf5159369725122d1fbd985994c37abe0c4fc2c59f612eb273f623","target":"graph","created_at":"2026-07-05T10:12:13Z","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/2401.01201/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The current approach to fetal anomaly screening is based on biometric measurements derived from individually selected ultrasound images. In this paper, we introduce a paradigm shift that attains human-level performance in biometric measurement by aggregating automatically extracted biometrics from every frame across an entire scan, with no need for operator intervention. We use a convolutional neural network to classify each frame of an ultrasound video recording. We then measure fetal biometrics in every frame where appropriate anatomy is visible. We use a Bayesian method to estimate the true","authors_text":"Alfonso Farruggia, Bernhard Kainz, Jacqueline Matthew, Jo V. Hajnal, Lorenzo Venturini, Reza Razavi, Robert Wright, Samuel Budd, Thomas G. Day","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-01-02T13:04:41Z","title":"Whole-examination AI estimation of fetal biometrics from 20-week ultrasound scans"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.01201","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":"sha256:5dba1e1690b9fbac8495cb3034fc1fbc0f81b5edd6013c00748d5f65feb5021b","target":"record","created_at":"2026-07-05T10:12:13Z","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":"ae34f1b2429593cbb754dc5337748f75663eb382305255662a95871acd2773b7","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-01-02T13:04:41Z","title_canon_sha256":"11c147b11c5e62eaffded7b58783183aecb3e41e9b95e11a3a65cb4cc026f7d4"},"schema_version":"1.0","source":{"id":"2401.01201","kind":"arxiv","version":1}},"canonical_sha256":"4ecdc442c6f6b39f94e673fe2ec3d7caf5f53dc38ca7c11d28059207f9a81e91","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ecdc442c6f6b39f94e673fe2ec3d7caf5f53dc38ca7c11d28059207f9a81e91","first_computed_at":"2026-07-05T10:12:13.974447Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:12:13.974447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DJLsuumODtJ5NPj67ZUIZuDlXbLstNXoBJSqw3KdzxGHl6Bx4p2YZJk4KAemOCMy6X/De6kSlRlKUtb+UQjECg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:12:13.974992Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.01201","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5dba1e1690b9fbac8495cb3034fc1fbc0f81b5edd6013c00748d5f65feb5021b","sha256:37bb61f41bcf5159369725122d1fbd985994c37abe0c4fc2c59f612eb273f623"],"state_sha256":"887317c7542836b712bf280ed8a58c6089ccf4371a74f700c020cc2562c0eeb7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+cN02BkY6rLRO6r53gPhPWiuDabteotSdeipEjwEAuxBkgTOMHJGDqBp3vOWgIWfUUguX+Rya5uucN3R6cVqCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T22:04:08.261204Z","bundle_sha256":"a304c099c21b69dcda685e90c1a1ed22c8ea5ca69054909a9c35809f30f5f426"}}