{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:NTELWY5MVLVIP3FRBAWAXW4YMF","short_pith_number":"pith:NTELWY5M","canonical_record":{"source":{"id":"1908.02994","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2019-08-08T10:03:07Z","cross_cats_sorted":[],"title_canon_sha256":"2e7d512134fad27e2f6d3f1697cff7958d5163c2f7f482adc54327870fb4e107","abstract_canon_sha256":"f4e7069b5bf8d8188fdf5df03fd8e93e9e51e188d2038d708f623e0003ae6fec"},"schema_version":"1.0"},"canonical_sha256":"6cc8bb63acaaea87ecb1082c0bdb98615f4e3f0f53601a1eb4a257f2a9c23c66","source":{"kind":"arxiv","id":"1908.02994","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.02994","created_at":"2026-07-04T23:52:25Z"},{"alias_kind":"arxiv_version","alias_value":"1908.02994v1","created_at":"2026-07-04T23:52:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.02994","created_at":"2026-07-04T23:52:25Z"},{"alias_kind":"pith_short_12","alias_value":"NTELWY5MVLVI","created_at":"2026-07-04T23:52:25Z"},{"alias_kind":"pith_short_16","alias_value":"NTELWY5MVLVIP3FR","created_at":"2026-07-04T23:52:25Z"},{"alias_kind":"pith_short_8","alias_value":"NTELWY5M","created_at":"2026-07-04T23:52:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:NTELWY5MVLVIP3FRBAWAXW4YMF","target":"record","payload":{"canonical_record":{"source":{"id":"1908.02994","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2019-08-08T10:03:07Z","cross_cats_sorted":[],"title_canon_sha256":"2e7d512134fad27e2f6d3f1697cff7958d5163c2f7f482adc54327870fb4e107","abstract_canon_sha256":"f4e7069b5bf8d8188fdf5df03fd8e93e9e51e188d2038d708f623e0003ae6fec"},"schema_version":"1.0"},"canonical_sha256":"6cc8bb63acaaea87ecb1082c0bdb98615f4e3f0f53601a1eb4a257f2a9c23c66","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:52:25.448330Z","signature_b64":"xKqANdBWSWRd9Ae+ILtT0THW9Xt7V1fn6yiJJ+wZQBTCxV4VNvfKbVA0OSJcBKlOO2092IjodeMhzcOrnuukCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6cc8bb63acaaea87ecb1082c0bdb98615f4e3f0f53601a1eb4a257f2a9c23c66","last_reissued_at":"2026-07-04T23:52:25.447921Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:52:25.447921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.02994","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":"2026-07-04T23:52:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AN2eDjqloHmnn5m5XvIEzSQ54iiX0bXMKySW7LczW1s3Qldbxsq56r3G0tLXtHci1myi/HrLJXKGoOy1BCggAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-27T00:25:25.740488Z"},"content_sha256":"5573a596813fcfcafeddf17c98f8d3824a0b6695d8b1da7d7dcc3126c281c2f6","schema_version":"1.0","event_id":"sha256:5573a596813fcfcafeddf17c98f8d3824a0b6695d8b1da7d7dcc3126c281c2f6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:NTELWY5MVLVIP3FRBAWAXW4YMF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep Learning Segmentation in 2D echocardiography using the CAMUS dataset : Automatic Assessment of the Anatomical Shape Validity","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.IV","authors_text":"Andreas {\\O}stvik, Carole Lartizien, Erik Andreas Rye Berg, Erik Smistad, Florian Espinosa, Frederic Cervenansky, Lasse Lovstakken, Olivier Bernard, Pierre-Marc Jodoin, Sarah Leclerc, Thomas Grenier, Torvald Espeland","submitted_at":"2019-08-08T10:03:07Z","abstract_excerpt":"We recently published a deep learning study on the potential of encoder-decoder networks for the segmentation of the 2D CAMUS ultrasound dataset. We propose in this abstract an extension of the evaluation criteria to anatomical assessment, as traditional geometric and clinical metrics in cardiac segmentation do not take into account the anatomical correctness of the predicted shapes. The completed study sheds a new light on the ranking of models."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.02994","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/1908.02994/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":"2026-07-04T23:52:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VC8zawS/lFvhx0eAXWJV30eqCTIpBPUbOwhBff9PRG+o4VV6JwX47lZQbrT4f6fEHcQCCYcOZgYke3bqBgVMCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-27T00:25:25.740863Z"},"content_sha256":"54c88398af2ab7cbc34016103fbfd00c366109e1fb1fd54e2493d08f84649048","schema_version":"1.0","event_id":"sha256:54c88398af2ab7cbc34016103fbfd00c366109e1fb1fd54e2493d08f84649048"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NTELWY5MVLVIP3FRBAWAXW4YMF/bundle.json","state_url":"https://pith.science/pith/NTELWY5MVLVIP3FRBAWAXW4YMF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NTELWY5MVLVIP3FRBAWAXW4YMF/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":"2026-07-27T00:25:25Z","links":{"resolver":"https://pith.science/pith/NTELWY5MVLVIP3FRBAWAXW4YMF","bundle":"https://pith.science/pith/NTELWY5MVLVIP3FRBAWAXW4YMF/bundle.json","state":"https://pith.science/pith/NTELWY5MVLVIP3FRBAWAXW4YMF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NTELWY5MVLVIP3FRBAWAXW4YMF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NTELWY5MVLVIP3FRBAWAXW4YMF","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":"f4e7069b5bf8d8188fdf5df03fd8e93e9e51e188d2038d708f623e0003ae6fec","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2019-08-08T10:03:07Z","title_canon_sha256":"2e7d512134fad27e2f6d3f1697cff7958d5163c2f7f482adc54327870fb4e107"},"schema_version":"1.0","source":{"id":"1908.02994","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.02994","created_at":"2026-07-04T23:52:25Z"},{"alias_kind":"arxiv_version","alias_value":"1908.02994v1","created_at":"2026-07-04T23:52:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.02994","created_at":"2026-07-04T23:52:25Z"},{"alias_kind":"pith_short_12","alias_value":"NTELWY5MVLVI","created_at":"2026-07-04T23:52:25Z"},{"alias_kind":"pith_short_16","alias_value":"NTELWY5MVLVIP3FR","created_at":"2026-07-04T23:52:25Z"},{"alias_kind":"pith_short_8","alias_value":"NTELWY5M","created_at":"2026-07-04T23:52:25Z"}],"graph_snapshots":[{"event_id":"sha256:54c88398af2ab7cbc34016103fbfd00c366109e1fb1fd54e2493d08f84649048","target":"graph","created_at":"2026-07-04T23:52:25Z","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/1908.02994/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We recently published a deep learning study on the potential of encoder-decoder networks for the segmentation of the 2D CAMUS ultrasound dataset. We propose in this abstract an extension of the evaluation criteria to anatomical assessment, as traditional geometric and clinical metrics in cardiac segmentation do not take into account the anatomical correctness of the predicted shapes. The completed study sheds a new light on the ranking of models.","authors_text":"Andreas {\\O}stvik, Carole Lartizien, Erik Andreas Rye Berg, Erik Smistad, Florian Espinosa, Frederic Cervenansky, Lasse Lovstakken, Olivier Bernard, Pierre-Marc Jodoin, Sarah Leclerc, Thomas Grenier, Torvald Espeland","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2019-08-08T10:03:07Z","title":"Deep Learning Segmentation in 2D echocardiography using the CAMUS dataset : Automatic Assessment of the Anatomical Shape Validity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.02994","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":"sha256:5573a596813fcfcafeddf17c98f8d3824a0b6695d8b1da7d7dcc3126c281c2f6","target":"record","created_at":"2026-07-04T23:52:25Z","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":"f4e7069b5bf8d8188fdf5df03fd8e93e9e51e188d2038d708f623e0003ae6fec","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.IV","submitted_at":"2019-08-08T10:03:07Z","title_canon_sha256":"2e7d512134fad27e2f6d3f1697cff7958d5163c2f7f482adc54327870fb4e107"},"schema_version":"1.0","source":{"id":"1908.02994","kind":"arxiv","version":1}},"canonical_sha256":"6cc8bb63acaaea87ecb1082c0bdb98615f4e3f0f53601a1eb4a257f2a9c23c66","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6cc8bb63acaaea87ecb1082c0bdb98615f4e3f0f53601a1eb4a257f2a9c23c66","first_computed_at":"2026-07-04T23:52:25.447921Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:52:25.447921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xKqANdBWSWRd9Ae+ILtT0THW9Xt7V1fn6yiJJ+wZQBTCxV4VNvfKbVA0OSJcBKlOO2092IjodeMhzcOrnuukCA==","signature_status":"signed_v1","signed_at":"2026-07-04T23:52:25.448330Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.02994","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5573a596813fcfcafeddf17c98f8d3824a0b6695d8b1da7d7dcc3126c281c2f6","sha256:54c88398af2ab7cbc34016103fbfd00c366109e1fb1fd54e2493d08f84649048"],"state_sha256":"80ac6f27ecc3351971bbf9deac0b38838480d51a43bc6070ed239c613ec0b401"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MujjlrFPhZ5LhvqylvISxAnciZ4UJV5DOROu4/J4WoFvvg5N6UkM+KCFhHK61vsDBKpKaIlo+7Cu/kcUY0kBDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-27T00:25:25.743181Z","bundle_sha256":"238b9aed92d02a4085eb08ba2313b187f740f3ae1bc19f033f497b37c66fcdff"}}