{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:KLJK3J47CAOP7FKH6OACILQH6Y","short_pith_number":"pith:KLJK3J47","canonical_record":{"source":{"id":"2311.04780","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2023-11-08T15:59:41Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"a070d37647ab10489a7a155da4806db0aafc766ed8096b2e689892037fdab368","abstract_canon_sha256":"b10d7961ab151e16712d2fa19e6be9479cbbb76445b46e576af7f8a7e268a259"},"schema_version":"1.0"},"canonical_sha256":"52d2ada79f101cff9547f380242e07f6130fe6982e6b05bd4e3a706f298c592b","source":{"kind":"arxiv","id":"2311.04780","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.04780","created_at":"2026-07-05T08:47:08Z"},{"alias_kind":"arxiv_version","alias_value":"2311.04780v2","created_at":"2026-07-05T08:47:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.04780","created_at":"2026-07-05T08:47:08Z"},{"alias_kind":"pith_short_12","alias_value":"KLJK3J47CAOP","created_at":"2026-07-05T08:47:08Z"},{"alias_kind":"pith_short_16","alias_value":"KLJK3J47CAOP7FKH","created_at":"2026-07-05T08:47:08Z"},{"alias_kind":"pith_short_8","alias_value":"KLJK3J47","created_at":"2026-07-05T08:47:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:KLJK3J47CAOP7FKH6OACILQH6Y","target":"record","payload":{"canonical_record":{"source":{"id":"2311.04780","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2023-11-08T15:59:41Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"a070d37647ab10489a7a155da4806db0aafc766ed8096b2e689892037fdab368","abstract_canon_sha256":"b10d7961ab151e16712d2fa19e6be9479cbbb76445b46e576af7f8a7e268a259"},"schema_version":"1.0"},"canonical_sha256":"52d2ada79f101cff9547f380242e07f6130fe6982e6b05bd4e3a706f298c592b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:47:08.434484Z","signature_b64":"Ylsx34QUGCS5MDOCEwO6nV2dMDOl9g3x4dTESmq6UodOabNoiTnDU7EFg00s2YrA3Ahm5QbfHOEvntFQJm0FDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52d2ada79f101cff9547f380242e07f6130fe6982e6b05bd4e3a706f298c592b","last_reissued_at":"2026-07-05T08:47:08.433976Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:47:08.433976Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.04780","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:47:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E4tGuYs95efFGEr2dKGUBWg9xYYi15Y43HNFKAxanzKUVquCvX4pmY93D//NpPdjFaSWWjSoc9NiCDvw3RROBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T22:40:35.297859Z"},"content_sha256":"e90e53c535ba4f454857a5962f61d436b16d2002e827527eecbef4e3cac1a86d","schema_version":"1.0","event_id":"sha256:e90e53c535ba4f454857a5962f61d436b16d2002e827527eecbef4e3cac1a86d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:KLJK3J47CAOP7FKH6OACILQH6Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FetMRQC: a robust quality control system for multi-centric fetal brain MRI","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"eess.IV","authors_text":"Alexandre Pron, Andras Jakab, Elisenda Eixarch, Guillaume Auzias, M\\'eriam Koob, Meritxell Bach Cuadra, Nadine Girard, Oscar Esteban, Thomas Sanchez, Vincent Dunet, Yvan Gomez","submitted_at":"2023-11-08T15:59:41Z","abstract_excerpt":"Fetal brain MRI is becoming an increasingly relevant complement to neurosonography for perinatal diagnosis, allowing fundamental insights into fetal brain development throughout gestation. However, uncontrolled fetal motion and heterogeneity in acquisition protocols lead to data of variable quality, potentially biasing the outcome of subsequent studies. We present FetMRQC, an open-source machine-learning framework for automated image quality assessment and quality control that is robust to domain shifts induced by the heterogeneity of clinical data. FetMRQC extracts an ensemble of quality metr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.04780","kind":"arxiv","version":2},"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/2311.04780/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":"2026-07-05T08:47:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"02aP6GB/uPCB6md/xPGKXh3vauD3DueYvrFyMGRgknBgqGQtPg9pMWnOI8uN9LXYhswbPDcxqm5QI/ffCfy+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T22:40:35.298821Z"},"content_sha256":"043251fd5ff92fde7a7d91ef953fd1b27f03f519bfa7ec73ac317bc84e54fd0d","schema_version":"1.0","event_id":"sha256:043251fd5ff92fde7a7d91ef953fd1b27f03f519bfa7ec73ac317bc84e54fd0d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KLJK3J47CAOP7FKH6OACILQH6Y/bundle.json","state_url":"https://pith.science/pith/KLJK3J47CAOP7FKH6OACILQH6Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KLJK3J47CAOP7FKH6OACILQH6Y/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":"2026-08-12T22:40:35Z","links":{"resolver":"https://pith.science/pith/KLJK3J47CAOP7FKH6OACILQH6Y","bundle":"https://pith.science/pith/KLJK3J47CAOP7FKH6OACILQH6Y/bundle.json","state":"https://pith.science/pith/KLJK3J47CAOP7FKH6OACILQH6Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KLJK3J47CAOP7FKH6OACILQH6Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:KLJK3J47CAOP7FKH6OACILQH6Y","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":"b10d7961ab151e16712d2fa19e6be9479cbbb76445b46e576af7f8a7e268a259","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2023-11-08T15:59:41Z","title_canon_sha256":"a070d37647ab10489a7a155da4806db0aafc766ed8096b2e689892037fdab368"},"schema_version":"1.0","source":{"id":"2311.04780","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.04780","created_at":"2026-07-05T08:47:08Z"},{"alias_kind":"arxiv_version","alias_value":"2311.04780v2","created_at":"2026-07-05T08:47:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.04780","created_at":"2026-07-05T08:47:08Z"},{"alias_kind":"pith_short_12","alias_value":"KLJK3J47CAOP","created_at":"2026-07-05T08:47:08Z"},{"alias_kind":"pith_short_16","alias_value":"KLJK3J47CAOP7FKH","created_at":"2026-07-05T08:47:08Z"},{"alias_kind":"pith_short_8","alias_value":"KLJK3J47","created_at":"2026-07-05T08:47:08Z"}],"graph_snapshots":[{"event_id":"sha256:043251fd5ff92fde7a7d91ef953fd1b27f03f519bfa7ec73ac317bc84e54fd0d","target":"graph","created_at":"2026-07-05T08:47:08Z","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/2311.04780/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fetal brain MRI is becoming an increasingly relevant complement to neurosonography for perinatal diagnosis, allowing fundamental insights into fetal brain development throughout gestation. However, uncontrolled fetal motion and heterogeneity in acquisition protocols lead to data of variable quality, potentially biasing the outcome of subsequent studies. We present FetMRQC, an open-source machine-learning framework for automated image quality assessment and quality control that is robust to domain shifts induced by the heterogeneity of clinical data. FetMRQC extracts an ensemble of quality metr","authors_text":"Alexandre Pron, Andras Jakab, Elisenda Eixarch, Guillaume Auzias, M\\'eriam Koob, Meritxell Bach Cuadra, Nadine Girard, Oscar Esteban, Thomas Sanchez, Vincent Dunet, Yvan Gomez","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2023-11-08T15:59:41Z","title":"FetMRQC: a robust quality control system for multi-centric fetal brain MRI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.04780","kind":"arxiv","version":2},"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:e90e53c535ba4f454857a5962f61d436b16d2002e827527eecbef4e3cac1a86d","target":"record","created_at":"2026-07-05T08:47:08Z","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":"b10d7961ab151e16712d2fa19e6be9479cbbb76445b46e576af7f8a7e268a259","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2023-11-08T15:59:41Z","title_canon_sha256":"a070d37647ab10489a7a155da4806db0aafc766ed8096b2e689892037fdab368"},"schema_version":"1.0","source":{"id":"2311.04780","kind":"arxiv","version":2}},"canonical_sha256":"52d2ada79f101cff9547f380242e07f6130fe6982e6b05bd4e3a706f298c592b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52d2ada79f101cff9547f380242e07f6130fe6982e6b05bd4e3a706f298c592b","first_computed_at":"2026-07-05T08:47:08.433976Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:47:08.433976Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ylsx34QUGCS5MDOCEwO6nV2dMDOl9g3x4dTESmq6UodOabNoiTnDU7EFg00s2YrA3Ahm5QbfHOEvntFQJm0FDA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:47:08.434484Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.04780","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e90e53c535ba4f454857a5962f61d436b16d2002e827527eecbef4e3cac1a86d","sha256:043251fd5ff92fde7a7d91ef953fd1b27f03f519bfa7ec73ac317bc84e54fd0d"],"state_sha256":"7a6d55df82a58e041e07a0845012e30b706225e01225302a1de16a57cb5fe04e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kx8Pir4tf7J4+rDCC3YcsNDk7hpCLEYEVi8HRthX3RKRtjhLBmDtj+pKZGk/M7DeUR+nqFlZstsZ6t5Mt2GzCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T22:40:35.304932Z","bundle_sha256":"d5646e4581dce0092641bf2eeff472b96114296828ca8da39cb156decf0c0cf1"}}