{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:2537NPDMUHYB2UTV2TOVJFSDCI","short_pith_number":"pith:2537NPDM","canonical_record":{"source":{"id":"2103.06809","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-03-11T17:26:06Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"fb69724a4d982cef9766eb9bc34a74b35cf793c0bb80152dfff503e0a9acd04c","abstract_canon_sha256":"2d9c7ec7546ab90812625b8d360ab81511d3ffa1f6eba420f8cb1fda73cb7b19"},"schema_version":"1.0"},"canonical_sha256":"d777f6bc6ca1f01d5275d4dd549643122363a9dfc1ad47db54903698388f6e42","source":{"kind":"arxiv","id":"2103.06809","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.06809","created_at":"2026-07-05T02:22:19Z"},{"alias_kind":"arxiv_version","alias_value":"2103.06809v1","created_at":"2026-07-05T02:22:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.06809","created_at":"2026-07-05T02:22:19Z"},{"alias_kind":"pith_short_12","alias_value":"2537NPDMUHYB","created_at":"2026-07-05T02:22:19Z"},{"alias_kind":"pith_short_16","alias_value":"2537NPDMUHYB2UTV","created_at":"2026-07-05T02:22:19Z"},{"alias_kind":"pith_short_8","alias_value":"2537NPDM","created_at":"2026-07-05T02:22:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:2537NPDMUHYB2UTV2TOVJFSDCI","target":"record","payload":{"canonical_record":{"source":{"id":"2103.06809","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-03-11T17:26:06Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"fb69724a4d982cef9766eb9bc34a74b35cf793c0bb80152dfff503e0a9acd04c","abstract_canon_sha256":"2d9c7ec7546ab90812625b8d360ab81511d3ffa1f6eba420f8cb1fda73cb7b19"},"schema_version":"1.0"},"canonical_sha256":"d777f6bc6ca1f01d5275d4dd549643122363a9dfc1ad47db54903698388f6e42","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:22:19.413019Z","signature_b64":"R93D1Jpgxcu6Zw7AuvkxDbGeyPJef+4POgP3XX+oN+MtNHasvlLWy1DMV2DgCvvSEa4fmrtGLZ+c39MrGGqGBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d777f6bc6ca1f01d5275d4dd549643122363a9dfc1ad47db54903698388f6e42","last_reissued_at":"2026-07-05T02:22:19.412683Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:22:19.412683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.06809","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":"2026-07-05T02:22:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wswq2BX9rk+GjdP2B35CqGGFzzOEgpn1ZGUaBJkkkhmwBcGty+zRdOzqtO8y+mB7w/joM/36y25QGi+0eqJaAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:08:51.428986Z"},"content_sha256":"aee16fd91081384e928da3d1746aed42315053ec150cabd5e10c4e3558b86a70","schema_version":"1.0","event_id":"sha256:aee16fd91081384e928da3d1746aed42315053ec150cabd5e10c4e3558b86a70"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:2537NPDMUHYB2UTV2TOVJFSDCI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On Medical Device Cybersecurity Compliance in EU","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.CR","authors_text":"Juha Vedenp\\\"a\\\"a, Tommi Mikkonen, Tuomas Granlund, Vlad Stirbu","submitted_at":"2021-03-11T17:26:06Z","abstract_excerpt":"The medical device products at the European Union market must be safe and effective. To ensure this, medical device manufacturers must comply to the new regulatory requirements brought by the Medical Device Regulation (MDR) and the In Vitro Diagnostic Medical Device Regulation (IVDR). In general, the new regulations increase regulatory requirements and oversight, especially for medical software, and this is also true for requirements related to cybersecurity, which are now explicitly addressed in the legislation. The significant legislation changes currently underway, combined with increased c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.06809","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/2103.06809/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":"2026-07-05T02:22:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sZ2g7wLGviGAzMWGcGIJZb6GzQNkpnBbu0mg987ZaGyQPx+ALsgHmCm3eghlM8zP5R9GHO9eBrLSWjZ5Wb+ABw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:08:51.429375Z"},"content_sha256":"0b29fc6e1e748388eb23c809f2e8a0d40218b8932ea141e0d582a3c3bde8097d","schema_version":"1.0","event_id":"sha256:0b29fc6e1e748388eb23c809f2e8a0d40218b8932ea141e0d582a3c3bde8097d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2537NPDMUHYB2UTV2TOVJFSDCI/bundle.json","state_url":"https://pith.science/pith/2537NPDMUHYB2UTV2TOVJFSDCI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2537NPDMUHYB2UTV2TOVJFSDCI/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":"2026-07-06T15:08:51Z","links":{"resolver":"https://pith.science/pith/2537NPDMUHYB2UTV2TOVJFSDCI","bundle":"https://pith.science/pith/2537NPDMUHYB2UTV2TOVJFSDCI/bundle.json","state":"https://pith.science/pith/2537NPDMUHYB2UTV2TOVJFSDCI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2537NPDMUHYB2UTV2TOVJFSDCI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:2537NPDMUHYB2UTV2TOVJFSDCI","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":"2d9c7ec7546ab90812625b8d360ab81511d3ffa1f6eba420f8cb1fda73cb7b19","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-03-11T17:26:06Z","title_canon_sha256":"fb69724a4d982cef9766eb9bc34a74b35cf793c0bb80152dfff503e0a9acd04c"},"schema_version":"1.0","source":{"id":"2103.06809","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.06809","created_at":"2026-07-05T02:22:19Z"},{"alias_kind":"arxiv_version","alias_value":"2103.06809v1","created_at":"2026-07-05T02:22:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.06809","created_at":"2026-07-05T02:22:19Z"},{"alias_kind":"pith_short_12","alias_value":"2537NPDMUHYB","created_at":"2026-07-05T02:22:19Z"},{"alias_kind":"pith_short_16","alias_value":"2537NPDMUHYB2UTV","created_at":"2026-07-05T02:22:19Z"},{"alias_kind":"pith_short_8","alias_value":"2537NPDM","created_at":"2026-07-05T02:22:19Z"}],"graph_snapshots":[{"event_id":"sha256:0b29fc6e1e748388eb23c809f2e8a0d40218b8932ea141e0d582a3c3bde8097d","target":"graph","created_at":"2026-07-05T02:22:19Z","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/2103.06809/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The medical device products at the European Union market must be safe and effective. To ensure this, medical device manufacturers must comply to the new regulatory requirements brought by the Medical Device Regulation (MDR) and the In Vitro Diagnostic Medical Device Regulation (IVDR). In general, the new regulations increase regulatory requirements and oversight, especially for medical software, and this is also true for requirements related to cybersecurity, which are now explicitly addressed in the legislation. The significant legislation changes currently underway, combined with increased c","authors_text":"Juha Vedenp\\\"a\\\"a, Tommi Mikkonen, Tuomas Granlund, Vlad Stirbu","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-03-11T17:26:06Z","title":"On Medical Device Cybersecurity Compliance in EU"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.06809","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:aee16fd91081384e928da3d1746aed42315053ec150cabd5e10c4e3558b86a70","target":"record","created_at":"2026-07-05T02:22:19Z","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":"2d9c7ec7546ab90812625b8d360ab81511d3ffa1f6eba420f8cb1fda73cb7b19","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-03-11T17:26:06Z","title_canon_sha256":"fb69724a4d982cef9766eb9bc34a74b35cf793c0bb80152dfff503e0a9acd04c"},"schema_version":"1.0","source":{"id":"2103.06809","kind":"arxiv","version":1}},"canonical_sha256":"d777f6bc6ca1f01d5275d4dd549643122363a9dfc1ad47db54903698388f6e42","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d777f6bc6ca1f01d5275d4dd549643122363a9dfc1ad47db54903698388f6e42","first_computed_at":"2026-07-05T02:22:19.412683Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:22:19.412683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R93D1Jpgxcu6Zw7AuvkxDbGeyPJef+4POgP3XX+oN+MtNHasvlLWy1DMV2DgCvvSEa4fmrtGLZ+c39MrGGqGBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:22:19.413019Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.06809","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aee16fd91081384e928da3d1746aed42315053ec150cabd5e10c4e3558b86a70","sha256:0b29fc6e1e748388eb23c809f2e8a0d40218b8932ea141e0d582a3c3bde8097d"],"state_sha256":"71ad469780ea801e7391daa7524f47d968bffece27ff9579237e28ede01d9ce3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1ep4G1g0BtoSpVnT2pqv27P+pDKqVpjfWFQBUr2XCRVEtu5QfsiMpr1quxcewB/Zh6W8BuydbXLpxWSj4cStCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T15:08:51.431334Z","bundle_sha256":"b6836dc01b72369434a78634a3c5255af10c53cbf8a2f1af044766b5e1f9b151"}}