{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:I5EXUOMKN5IFEPD34SHOT7BADT","short_pith_number":"pith:I5EXUOMK","canonical_record":{"source":{"id":"1901.02911","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-09T19:32:31Z","cross_cats_sorted":[],"title_canon_sha256":"2b766dbd52f5ab0c4015010e3d476197550d58abbc60e8b88814dee54d17f46a","abstract_canon_sha256":"ef391f6407f6b20b7117c322bca5eb7df8a5843cba9801dc7d1ab51e86296a9b"},"schema_version":"1.0"},"canonical_sha256":"47497a398a6f50523c7be48ee9fc201ce97e5c1c230829e702c0b0960e11d380","source":{"kind":"arxiv","id":"1901.02911","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.02911","created_at":"2026-07-05T04:17:32Z"},{"alias_kind":"arxiv_version","alias_value":"1901.02911v1","created_at":"2026-07-05T04:17:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.02911","created_at":"2026-07-05T04:17:32Z"},{"alias_kind":"pith_short_12","alias_value":"I5EXUOMKN5IF","created_at":"2026-07-05T04:17:32Z"},{"alias_kind":"pith_short_16","alias_value":"I5EXUOMKN5IFEPD3","created_at":"2026-07-05T04:17:32Z"},{"alias_kind":"pith_short_8","alias_value":"I5EXUOMK","created_at":"2026-07-05T04:17:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:I5EXUOMKN5IFEPD34SHOT7BADT","target":"record","payload":{"canonical_record":{"source":{"id":"1901.02911","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-09T19:32:31Z","cross_cats_sorted":[],"title_canon_sha256":"2b766dbd52f5ab0c4015010e3d476197550d58abbc60e8b88814dee54d17f46a","abstract_canon_sha256":"ef391f6407f6b20b7117c322bca5eb7df8a5843cba9801dc7d1ab51e86296a9b"},"schema_version":"1.0"},"canonical_sha256":"47497a398a6f50523c7be48ee9fc201ce97e5c1c230829e702c0b0960e11d380","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:17:32.993045Z","signature_b64":"d+U8jxoyFq++9t5QtaqqPuXF3LMvVGsxxdrx9FhIr+mWYHOnruWwyxxaGbBwsFKs3BaFSwlUwbEKytwIHCdwCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47497a398a6f50523c7be48ee9fc201ce97e5c1c230829e702c0b0960e11d380","last_reissued_at":"2026-07-05T04:17:32.992507Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:17:32.992507Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.02911","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":"2026-07-05T04:17:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nXlB+pVZqNZawOPks57KyaRlQiChK8uWT7ear/1q24Jld5uFIsGOB5KY4zuuOqLATe96OqTyHddERQfd1mZjAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:10:06.512340Z"},"content_sha256":"7689ee6fdbf2aacc324baaca3760bb1f17d275c6dd416ef1d3ec4ceae6a622ce","schema_version":"1.0","event_id":"sha256:7689ee6fdbf2aacc324baaca3760bb1f17d275c6dd416ef1d3ec4ceae6a622ce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:I5EXUOMKN5IFEPD34SHOT7BADT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Myocardial Infarction Quantification From Late Gadolinium Enhancement MRI Using Top-hat Transforms and Neural Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Alain Lalande, Alexandre Cochet, D\\'esir\\'e Sidib\\'e, Ezequiel de la Rosa, Thibault Leclercq, Thomas Decourselle","submitted_at":"2019-01-09T19:32:31Z","abstract_excerpt":"Significance: Late gadolinium enhanced magnetic resonance imaging (LGE-MRI) is the gold standard technique for myocardial viability assessment. Although the technique accurately reflects the damaged tissue, there is no clinical standard for quantifying myocardial infarction (MI), demanding most algorithms to be expert dependent. Objectives and Methods: In this work a new automatic method for MI quantification from LGE-MRI is proposed. Our novel segmentation approach is devised for accurately detecting not only hyper-enhanced lesions, but also microvascular-obstructed areas. Moreover, it includ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.02911","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/1901.02911/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":"2026-07-05T04:17:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VllTo7MrDQoK3zggxy9htT+iGHSJyc2lcgHYA+qsglfFIWXp4sBgr9KyhDpZeHPdMv9q2bxlR2H4C/3nANG7CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:10:06.512722Z"},"content_sha256":"7c3056e67c6e50740d78e403e11dbb41ca9a4d5aed185f1eed08b953c1c060d7","schema_version":"1.0","event_id":"sha256:7c3056e67c6e50740d78e403e11dbb41ca9a4d5aed185f1eed08b953c1c060d7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I5EXUOMKN5IFEPD34SHOT7BADT/bundle.json","state_url":"https://pith.science/pith/I5EXUOMKN5IFEPD34SHOT7BADT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I5EXUOMKN5IFEPD34SHOT7BADT/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":"2026-07-06T15:10:06Z","links":{"resolver":"https://pith.science/pith/I5EXUOMKN5IFEPD34SHOT7BADT","bundle":"https://pith.science/pith/I5EXUOMKN5IFEPD34SHOT7BADT/bundle.json","state":"https://pith.science/pith/I5EXUOMKN5IFEPD34SHOT7BADT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I5EXUOMKN5IFEPD34SHOT7BADT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:I5EXUOMKN5IFEPD34SHOT7BADT","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":"ef391f6407f6b20b7117c322bca5eb7df8a5843cba9801dc7d1ab51e86296a9b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-09T19:32:31Z","title_canon_sha256":"2b766dbd52f5ab0c4015010e3d476197550d58abbc60e8b88814dee54d17f46a"},"schema_version":"1.0","source":{"id":"1901.02911","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.02911","created_at":"2026-07-05T04:17:32Z"},{"alias_kind":"arxiv_version","alias_value":"1901.02911v1","created_at":"2026-07-05T04:17:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.02911","created_at":"2026-07-05T04:17:32Z"},{"alias_kind":"pith_short_12","alias_value":"I5EXUOMKN5IF","created_at":"2026-07-05T04:17:32Z"},{"alias_kind":"pith_short_16","alias_value":"I5EXUOMKN5IFEPD3","created_at":"2026-07-05T04:17:32Z"},{"alias_kind":"pith_short_8","alias_value":"I5EXUOMK","created_at":"2026-07-05T04:17:32Z"}],"graph_snapshots":[{"event_id":"sha256:7c3056e67c6e50740d78e403e11dbb41ca9a4d5aed185f1eed08b953c1c060d7","target":"graph","created_at":"2026-07-05T04:17:32Z","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/1901.02911/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Significance: Late gadolinium enhanced magnetic resonance imaging (LGE-MRI) is the gold standard technique for myocardial viability assessment. Although the technique accurately reflects the damaged tissue, there is no clinical standard for quantifying myocardial infarction (MI), demanding most algorithms to be expert dependent. Objectives and Methods: In this work a new automatic method for MI quantification from LGE-MRI is proposed. Our novel segmentation approach is devised for accurately detecting not only hyper-enhanced lesions, but also microvascular-obstructed areas. Moreover, it includ","authors_text":"Alain Lalande, Alexandre Cochet, D\\'esir\\'e Sidib\\'e, Ezequiel de la Rosa, Thibault Leclercq, Thomas Decourselle","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-09T19:32:31Z","title":"Myocardial Infarction Quantification From Late Gadolinium Enhancement MRI Using Top-hat Transforms and Neural Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.02911","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":"sha256:7689ee6fdbf2aacc324baaca3760bb1f17d275c6dd416ef1d3ec4ceae6a622ce","target":"record","created_at":"2026-07-05T04:17:32Z","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":"ef391f6407f6b20b7117c322bca5eb7df8a5843cba9801dc7d1ab51e86296a9b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-09T19:32:31Z","title_canon_sha256":"2b766dbd52f5ab0c4015010e3d476197550d58abbc60e8b88814dee54d17f46a"},"schema_version":"1.0","source":{"id":"1901.02911","kind":"arxiv","version":1}},"canonical_sha256":"47497a398a6f50523c7be48ee9fc201ce97e5c1c230829e702c0b0960e11d380","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"47497a398a6f50523c7be48ee9fc201ce97e5c1c230829e702c0b0960e11d380","first_computed_at":"2026-07-05T04:17:32.992507Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:17:32.992507Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d+U8jxoyFq++9t5QtaqqPuXF3LMvVGsxxdrx9FhIr+mWYHOnruWwyxxaGbBwsFKs3BaFSwlUwbEKytwIHCdwCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:17:32.993045Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.02911","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7689ee6fdbf2aacc324baaca3760bb1f17d275c6dd416ef1d3ec4ceae6a622ce","sha256:7c3056e67c6e50740d78e403e11dbb41ca9a4d5aed185f1eed08b953c1c060d7"],"state_sha256":"712bf9e2f8655a5a6235ccbdaca1ad1c1f4e4c8f1e57edc8a2a7663bc1c916dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dILhwAbKixskjBLacgWP7FGYL9IclWHw6ALBPvwXA9blRaWAPu5VGEU8F4tHkc3yQkNLj2YIcu3qNpxW13E6BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T15:10:06.514680Z","bundle_sha256":"1c3386a678f41cdd57f77e46ac43b97a3a0de8a18db8ff8a4b75708a46a62e61"}}