{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:WBY2ULSB6GBL6Z46P7M3DFWZGL","short_pith_number":"pith:WBY2ULSB","canonical_record":{"source":{"id":"2108.04016","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2021-08-09T13:15:25Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"c9649925ded67a95841d6fdba6ba480fa908f788f9f6b00a3dd3c7c9da6ebfc9","abstract_canon_sha256":"11ca37f1569089d8dffccc6d809add696f2151dcee962ffeb7ef7f0f861f0129"},"schema_version":"1.0"},"canonical_sha256":"b071aa2e41f182bf679e7fd9b196d932ec51ab08dbb4f8d958feaa04839266a1","source":{"kind":"arxiv","id":"2108.04016","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.04016","created_at":"2026-07-05T03:09:12Z"},{"alias_kind":"arxiv_version","alias_value":"2108.04016v2","created_at":"2026-07-05T03:09:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.04016","created_at":"2026-07-05T03:09:12Z"},{"alias_kind":"pith_short_12","alias_value":"WBY2ULSB6GBL","created_at":"2026-07-05T03:09:12Z"},{"alias_kind":"pith_short_16","alias_value":"WBY2ULSB6GBL6Z46","created_at":"2026-07-05T03:09:12Z"},{"alias_kind":"pith_short_8","alias_value":"WBY2ULSB","created_at":"2026-07-05T03:09:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:WBY2ULSB6GBL6Z46P7M3DFWZGL","target":"record","payload":{"canonical_record":{"source":{"id":"2108.04016","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2021-08-09T13:15:25Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"c9649925ded67a95841d6fdba6ba480fa908f788f9f6b00a3dd3c7c9da6ebfc9","abstract_canon_sha256":"11ca37f1569089d8dffccc6d809add696f2151dcee962ffeb7ef7f0f861f0129"},"schema_version":"1.0"},"canonical_sha256":"b071aa2e41f182bf679e7fd9b196d932ec51ab08dbb4f8d958feaa04839266a1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:09:12.678135Z","signature_b64":"WEsLhnhlz0wRdBm4h2v2fpY5UAMZaob8K+Ke8ae5Q2kFqpav0XOx6z0CroB009MFpu597r0bmzh5xiMkxAVaDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b071aa2e41f182bf679e7fd9b196d932ec51ab08dbb4f8d958feaa04839266a1","last_reissued_at":"2026-07-05T03:09:12.677671Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:09:12.677671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.04016","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":"2026-07-05T03:09:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DXDdurQsN4d1e0fPCZbZ75z/uUghD5/Nu4cY4sZQsESrDjQmhD98Dops/RkmPyhpM8xs8EowB+XZvCyNDCcQCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:05:20.060564Z"},"content_sha256":"5d9353bedd08ba4d62506e289debedd268e03f9ccdc2af4b9a5a58440ae784fa","schema_version":"1.0","event_id":"sha256:5d9353bedd08ba4d62506e289debedd268e03f9ccdc2af4b9a5a58440ae784fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:WBY2ULSB6GBL6Z46P7M3DFWZGL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep Learning methods for automatic evaluation of delayed enhancement-MRI. The results of the EMIDEC challenge","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Abdul Qayyum, Alain Lalande, Anja Hennemuth, Arnaud Boucher, Craig Meyer, Dominique Ginhac, Fabrice Meriaudeau, Hannu Zhang, Jixi Shi, Jun Ma, Khawla Brahim, Kibrom B. Girum, Markus Huellebrand, Marleen de Bruijne, Marta Varela, Matthias Ivantsits, Michel Salomon, Nikolaos V. Tsekos, Raabid Hussain, Raphael Couturier, Rishabh Sharma, Robin Camarasa, Sen Yang, Teresa M. Correia, Thibaut Pommier, Thomas Decourselle, Xiahai Zhuang, Xiyue Wang, Xue Feng, Yichi Zhang, Youssef Skandarani, Yuncheng Zhou, Zhihao Chen","submitted_at":"2021-08-09T13:15:25Z","abstract_excerpt":"A key factor for assessing the state of the heart after myocardial infarction (MI) is to measure whether the myocardium segment is viable after reperfusion or revascularization therapy. Delayed enhancement-MRI or DE-MRI, which is performed several minutes after injection of the contrast agent, provides high contrast between viable and nonviable myocardium and is therefore a method of choice to evaluate the extent of MI. To automatically assess myocardial status, the results of the EMIDEC challenge that focused on this task are presented in this paper. The challenge's main objectives were twofo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.04016","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/2108.04016/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":"2026-07-05T03:09:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Z3o7LecjDgLk4s+dryi6XoCLdH+l60N+3jPFDPr56YiPya+zVbKRMIxLFXr57koLHxMozGURc8unc+/vWczBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:05:20.061206Z"},"content_sha256":"a7892c1b8d65182cadc59316b610badbbd4b80fa4277d0f991e02cd566081933","schema_version":"1.0","event_id":"sha256:a7892c1b8d65182cadc59316b610badbbd4b80fa4277d0f991e02cd566081933"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WBY2ULSB6GBL6Z46P7M3DFWZGL/bundle.json","state_url":"https://pith.science/pith/WBY2ULSB6GBL6Z46P7M3DFWZGL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WBY2ULSB6GBL6Z46P7M3DFWZGL/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":"2026-07-05T15:05:20Z","links":{"resolver":"https://pith.science/pith/WBY2ULSB6GBL6Z46P7M3DFWZGL","bundle":"https://pith.science/pith/WBY2ULSB6GBL6Z46P7M3DFWZGL/bundle.json","state":"https://pith.science/pith/WBY2ULSB6GBL6Z46P7M3DFWZGL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WBY2ULSB6GBL6Z46P7M3DFWZGL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:WBY2ULSB6GBL6Z46P7M3DFWZGL","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":"11ca37f1569089d8dffccc6d809add696f2151dcee962ffeb7ef7f0f861f0129","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2021-08-09T13:15:25Z","title_canon_sha256":"c9649925ded67a95841d6fdba6ba480fa908f788f9f6b00a3dd3c7c9da6ebfc9"},"schema_version":"1.0","source":{"id":"2108.04016","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.04016","created_at":"2026-07-05T03:09:12Z"},{"alias_kind":"arxiv_version","alias_value":"2108.04016v2","created_at":"2026-07-05T03:09:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.04016","created_at":"2026-07-05T03:09:12Z"},{"alias_kind":"pith_short_12","alias_value":"WBY2ULSB6GBL","created_at":"2026-07-05T03:09:12Z"},{"alias_kind":"pith_short_16","alias_value":"WBY2ULSB6GBL6Z46","created_at":"2026-07-05T03:09:12Z"},{"alias_kind":"pith_short_8","alias_value":"WBY2ULSB","created_at":"2026-07-05T03:09:12Z"}],"graph_snapshots":[{"event_id":"sha256:a7892c1b8d65182cadc59316b610badbbd4b80fa4277d0f991e02cd566081933","target":"graph","created_at":"2026-07-05T03:09:12Z","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/2108.04016/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A key factor for assessing the state of the heart after myocardial infarction (MI) is to measure whether the myocardium segment is viable after reperfusion or revascularization therapy. Delayed enhancement-MRI or DE-MRI, which is performed several minutes after injection of the contrast agent, provides high contrast between viable and nonviable myocardium and is therefore a method of choice to evaluate the extent of MI. To automatically assess myocardial status, the results of the EMIDEC challenge that focused on this task are presented in this paper. The challenge's main objectives were twofo","authors_text":"Abdul Qayyum, Alain Lalande, Anja Hennemuth, Arnaud Boucher, Craig Meyer, Dominique Ginhac, Fabrice Meriaudeau, Hannu Zhang, Jixi Shi, Jun Ma, Khawla Brahim, Kibrom B. Girum, Markus Huellebrand, Marleen de Bruijne, Marta Varela, Matthias Ivantsits, Michel Salomon, Nikolaos V. Tsekos, Raabid Hussain, Raphael Couturier, Rishabh Sharma, Robin Camarasa, Sen Yang, Teresa M. Correia, Thibaut Pommier, Thomas Decourselle, Xiahai Zhuang, Xiyue Wang, Xue Feng, Yichi Zhang, Youssef Skandarani, Yuncheng Zhou, Zhihao Chen","cross_cats":["cs.CV"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2021-08-09T13:15:25Z","title":"Deep Learning methods for automatic evaluation of delayed enhancement-MRI. The results of the EMIDEC challenge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.04016","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":"sha256:5d9353bedd08ba4d62506e289debedd268e03f9ccdc2af4b9a5a58440ae784fa","target":"record","created_at":"2026-07-05T03:09:12Z","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":"11ca37f1569089d8dffccc6d809add696f2151dcee962ffeb7ef7f0f861f0129","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2021-08-09T13:15:25Z","title_canon_sha256":"c9649925ded67a95841d6fdba6ba480fa908f788f9f6b00a3dd3c7c9da6ebfc9"},"schema_version":"1.0","source":{"id":"2108.04016","kind":"arxiv","version":2}},"canonical_sha256":"b071aa2e41f182bf679e7fd9b196d932ec51ab08dbb4f8d958feaa04839266a1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b071aa2e41f182bf679e7fd9b196d932ec51ab08dbb4f8d958feaa04839266a1","first_computed_at":"2026-07-05T03:09:12.677671Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:09:12.677671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WEsLhnhlz0wRdBm4h2v2fpY5UAMZaob8K+Ke8ae5Q2kFqpav0XOx6z0CroB009MFpu597r0bmzh5xiMkxAVaDw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:09:12.678135Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.04016","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d9353bedd08ba4d62506e289debedd268e03f9ccdc2af4b9a5a58440ae784fa","sha256:a7892c1b8d65182cadc59316b610badbbd4b80fa4277d0f991e02cd566081933"],"state_sha256":"6990a95016174b56c824ae6ee9f94de17fecd678cdb9edfc7f2a0137d9c58b99"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CzftuSfy1RnfvdDn3+lyIHj3Jqwfrdr1HOnopBGdUb1zx1fEamAtZwPsqJW3eIoUxwBsiIJfBBRhMb5SIZD4BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:05:20.064621Z","bundle_sha256":"e044a7ef916bf25f9d0c29e7d08394e90e85554cd445c3a2a4b260c550dcd86f"}}