{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:WK2NL6SX646PMVAYM4G57I22SI","short_pith_number":"pith:WK2NL6SX","canonical_record":{"source":{"id":"2004.12084","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2020-04-25T08:41:24Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"f2ea7a5caf5a5625b11144e5b9f7b9904d103c45853507b72419be734052daaf","abstract_canon_sha256":"c48b716dcd73cd27848a2d3d90e30f0708134127b610acfa61647934c9923246"},"schema_version":"1.0"},"canonical_sha256":"b2b4d5fa57f73cf65418670ddfa35a920a5e6901b54cf300f1fa92b3c5edda7a","source":{"kind":"arxiv","id":"2004.12084","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.12084","created_at":"2026-07-05T02:09:09Z"},{"alias_kind":"arxiv_version","alias_value":"2004.12084v4","created_at":"2026-07-05T02:09:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.12084","created_at":"2026-07-05T02:09:09Z"},{"alias_kind":"pith_short_12","alias_value":"WK2NL6SX646P","created_at":"2026-07-05T02:09:09Z"},{"alias_kind":"pith_short_16","alias_value":"WK2NL6SX646PMVAY","created_at":"2026-07-05T02:09:09Z"},{"alias_kind":"pith_short_8","alias_value":"WK2NL6SX","created_at":"2026-07-05T02:09:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:WK2NL6SX646PMVAYM4G57I22SI","target":"record","payload":{"canonical_record":{"source":{"id":"2004.12084","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2020-04-25T08:41:24Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"f2ea7a5caf5a5625b11144e5b9f7b9904d103c45853507b72419be734052daaf","abstract_canon_sha256":"c48b716dcd73cd27848a2d3d90e30f0708134127b610acfa61647934c9923246"},"schema_version":"1.0"},"canonical_sha256":"b2b4d5fa57f73cf65418670ddfa35a920a5e6901b54cf300f1fa92b3c5edda7a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:09:09.814692Z","signature_b64":"/edsd8cLoJqNxdNioS4IM5G7oozEwfrMwCIdQb0S6WAXgoG+S87lqF8QVPQMKBwoW3q7PKIM6LqB7qHkN+tRCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2b4d5fa57f73cf65418670ddfa35a920a5e6901b54cf300f1fa92b3c5edda7a","last_reissued_at":"2026-07-05T02:09:09.814236Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:09:09.814236Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.12084","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:09:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o14lAXLa1E62H6nnOC12cFEHIv1wh6aqdJvwkjwk/zmx1jKwTC6A2mf2YxbPZfoG5IyOivuuXvSvuuisU/1TDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T14:30:47.406928Z"},"content_sha256":"69372eaded2475b05c495aa35b2e80b40b5469aa6629c0fb124136eeb958d138","schema_version":"1.0","event_id":"sha256:69372eaded2475b05c495aa35b2e80b40b5469aa6629c0fb124136eeb958d138"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:WK2NL6SX646PMVAYM4G57I22SI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"POCOVID-Net: Automatic Detection of COVID-19 From a New Lung Ultrasound Imaging Dataset (POCUS)","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV","cs.LG"],"primary_cat":"eess.IV","authors_text":"Gabriel Br\\\"andle, Jannis Born, J\\'er\\'emie Roulin, Julie Goulet, Manuel Cossio, Marion Disdier, Nina Wiedemann","submitted_at":"2020-04-25T08:41:24Z","abstract_excerpt":"With the rapid development of COVID-19 into a global pandemic, there is an ever more urgent need for cheap, fast and reliable tools that can assist physicians in diagnosing COVID-19. Medical imaging such as CT can take a key role in complementing conventional diagnostic tools from molecular biology, and, using deep learning techniques, several automatic systems were demonstrated promising performances using CT or X-ray data. Here, we advocate a more prominent role of point-of-care ultrasound imaging to guide COVID-19 detection. Ultrasound is non-invasive and ubiquitous in medical facilities ar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.12084","kind":"arxiv","version":4},"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/2004.12084/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":"2026-07-05T02:09:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MEQiKawEakhmLxMr0dyxd86EAVZ0qY2pS/d+HfUc5IvogWe1aZBz7Cz2XC3Y5dFMhNdjVqJzQjKGF0W8zx4UBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T14:30:47.407601Z"},"content_sha256":"344d342083f696f92d3d1a49c8af0d70852c7de2ab21d08456ef7ec1d6fad459","schema_version":"1.0","event_id":"sha256:344d342083f696f92d3d1a49c8af0d70852c7de2ab21d08456ef7ec1d6fad459"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WK2NL6SX646PMVAYM4G57I22SI/bundle.json","state_url":"https://pith.science/pith/WK2NL6SX646PMVAYM4G57I22SI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WK2NL6SX646PMVAYM4G57I22SI/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":"2026-08-09T14:30:47Z","links":{"resolver":"https://pith.science/pith/WK2NL6SX646PMVAYM4G57I22SI","bundle":"https://pith.science/pith/WK2NL6SX646PMVAYM4G57I22SI/bundle.json","state":"https://pith.science/pith/WK2NL6SX646PMVAYM4G57I22SI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WK2NL6SX646PMVAYM4G57I22SI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:WK2NL6SX646PMVAYM4G57I22SI","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":"c48b716dcd73cd27848a2d3d90e30f0708134127b610acfa61647934c9923246","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2020-04-25T08:41:24Z","title_canon_sha256":"f2ea7a5caf5a5625b11144e5b9f7b9904d103c45853507b72419be734052daaf"},"schema_version":"1.0","source":{"id":"2004.12084","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.12084","created_at":"2026-07-05T02:09:09Z"},{"alias_kind":"arxiv_version","alias_value":"2004.12084v4","created_at":"2026-07-05T02:09:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.12084","created_at":"2026-07-05T02:09:09Z"},{"alias_kind":"pith_short_12","alias_value":"WK2NL6SX646P","created_at":"2026-07-05T02:09:09Z"},{"alias_kind":"pith_short_16","alias_value":"WK2NL6SX646PMVAY","created_at":"2026-07-05T02:09:09Z"},{"alias_kind":"pith_short_8","alias_value":"WK2NL6SX","created_at":"2026-07-05T02:09:09Z"}],"graph_snapshots":[{"event_id":"sha256:344d342083f696f92d3d1a49c8af0d70852c7de2ab21d08456ef7ec1d6fad459","target":"graph","created_at":"2026-07-05T02:09:09Z","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/2004.12084/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With the rapid development of COVID-19 into a global pandemic, there is an ever more urgent need for cheap, fast and reliable tools that can assist physicians in diagnosing COVID-19. Medical imaging such as CT can take a key role in complementing conventional diagnostic tools from molecular biology, and, using deep learning techniques, several automatic systems were demonstrated promising performances using CT or X-ray data. Here, we advocate a more prominent role of point-of-care ultrasound imaging to guide COVID-19 detection. Ultrasound is non-invasive and ubiquitous in medical facilities ar","authors_text":"Gabriel Br\\\"andle, Jannis Born, J\\'er\\'emie Roulin, Julie Goulet, Manuel Cossio, Marion Disdier, Nina Wiedemann","cross_cats":["cs.CV","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2020-04-25T08:41:24Z","title":"POCOVID-Net: Automatic Detection of COVID-19 From a New Lung Ultrasound Imaging Dataset (POCUS)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.12084","kind":"arxiv","version":4},"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":"sha256:69372eaded2475b05c495aa35b2e80b40b5469aa6629c0fb124136eeb958d138","target":"record","created_at":"2026-07-05T02:09:09Z","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":"c48b716dcd73cd27848a2d3d90e30f0708134127b610acfa61647934c9923246","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2020-04-25T08:41:24Z","title_canon_sha256":"f2ea7a5caf5a5625b11144e5b9f7b9904d103c45853507b72419be734052daaf"},"schema_version":"1.0","source":{"id":"2004.12084","kind":"arxiv","version":4}},"canonical_sha256":"b2b4d5fa57f73cf65418670ddfa35a920a5e6901b54cf300f1fa92b3c5edda7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b2b4d5fa57f73cf65418670ddfa35a920a5e6901b54cf300f1fa92b3c5edda7a","first_computed_at":"2026-07-05T02:09:09.814236Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:09:09.814236Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/edsd8cLoJqNxdNioS4IM5G7oozEwfrMwCIdQb0S6WAXgoG+S87lqF8QVPQMKBwoW3q7PKIM6LqB7qHkN+tRCg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:09:09.814692Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.12084","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:69372eaded2475b05c495aa35b2e80b40b5469aa6629c0fb124136eeb958d138","sha256:344d342083f696f92d3d1a49c8af0d70852c7de2ab21d08456ef7ec1d6fad459"],"state_sha256":"cc40d784f9fbc7ba9ea06f27806be70402e8dbe0a6b2e2847accd059b0a5a75c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1pfbiUV/4ZOxxNbMVzw1C1qCMjX+6B7M/dLyWTYeqjnLzK3YOSCjaApfa+FWhwfGJHnOIj0Fx9r6uugVR58JAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T14:30:47.412622Z","bundle_sha256":"a8e72560f23b3e035a08a1d30649076a2566962fffd6bc8e0d8fbf6958787cde"}}