{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3F43WWLYVXRZFH426JBVUD445K","short_pith_number":"pith:3F43WWLY","canonical_record":{"source":{"id":"1709.06528","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2017-08-02T13:50:09Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"af65515911bcc971922dc16579f89ff62210290f2c3f1c4c5d617e7f21ea5f6a","abstract_canon_sha256":"e2d78660a8425947b38a0dc027ca0f37a95984ecd17fa05890ae7abd8552df45"},"schema_version":"1.0"},"canonical_sha256":"d979bb5978ade3929f9af2435a0f9ceaadf77a8732e873fd21763ad421e6ac16","source":{"kind":"arxiv","id":"1709.06528","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.06528","created_at":"2026-05-18T00:34:45Z"},{"alias_kind":"arxiv_version","alias_value":"1709.06528v1","created_at":"2026-05-18T00:34:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.06528","created_at":"2026-05-18T00:34:45Z"},{"alias_kind":"pith_short_12","alias_value":"3F43WWLYVXRZ","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3F43WWLYVXRZFH42","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3F43WWLY","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3F43WWLYVXRZFH426JBVUD445K","target":"record","payload":{"canonical_record":{"source":{"id":"1709.06528","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2017-08-02T13:50:09Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"af65515911bcc971922dc16579f89ff62210290f2c3f1c4c5d617e7f21ea5f6a","abstract_canon_sha256":"e2d78660a8425947b38a0dc027ca0f37a95984ecd17fa05890ae7abd8552df45"},"schema_version":"1.0"},"canonical_sha256":"d979bb5978ade3929f9af2435a0f9ceaadf77a8732e873fd21763ad421e6ac16","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:45.490563Z","signature_b64":"frzPPyFHaP0FHt3bE4myBWGQKyRxFvzTE2/AetGuLrNKJCMSn3KiFgEEwdFlOrhlKU1s0x2DJqWd+z/yd++TBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d979bb5978ade3929f9af2435a0f9ceaadf77a8732e873fd21763ad421e6ac16","last_reissued_at":"2026-05-18T00:34:45.489831Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:45.489831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.06528","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":"2026-05-18T00:34:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Peg2FMxI9FxJaMnXknIK+Mzf2doNODMA4w4EsshACm9g7i+XHCMnwnv/oRqkVOOIChxNIewZj62LLcYDgnvjDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T21:55:53.625205Z"},"content_sha256":"fcf36745f93fae36ad4fb386e2e1666d5f8403988d409123d515a3625e2f8aa6","schema_version":"1.0","event_id":"sha256:fcf36745f93fae36ad4fb386e2e1666d5f8403988d409123d515a3625e2f8aa6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3F43WWLYVXRZFH426JBVUD445K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Secure and Trustable Electronic Medical Records Sharing using Blockchain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"cs.CY","authors_text":"Alevtina Dubovitskaya, Fusheng Wang, Michael Schumacher, Samuel Ryu, Zhigang Xu","submitted_at":"2017-08-02T13:50:09Z","abstract_excerpt":"Electronic medical records (EMRs) are critical, highly sensitive private information in healthcare, and need to be frequently shared among peers. Blockchain provides a shared, immutable and transparent history of all the transactions to build applications with trust, accountability and transparency. This provides a unique opportunity to develop a secure and trustable EMR data management and sharing system using blockchain. In this paper, we present our perspectives on blockchain based healthcare data management, in particular, for EMR data sharing between healthcare providers and for research "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.06528","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":""},"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":"2026-05-18T00:34:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HXTsMcWcc8AnMGOXB+1d+1dZea0IPGloA4BKeYLv6qdFQBXLGg7BAoNqWNieVzRU5neosipUYg7V+bVYtMo3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T21:55:53.626052Z"},"content_sha256":"139d4c2d060a7f3b99feb65acec3934aec3f5d9c15de0c9426c497461c75e675","schema_version":"1.0","event_id":"sha256:139d4c2d060a7f3b99feb65acec3934aec3f5d9c15de0c9426c497461c75e675"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3F43WWLYVXRZFH426JBVUD445K/bundle.json","state_url":"https://pith.science/pith/3F43WWLYVXRZFH426JBVUD445K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3F43WWLYVXRZFH426JBVUD445K/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":"2026-06-09T21:55:53Z","links":{"resolver":"https://pith.science/pith/3F43WWLYVXRZFH426JBVUD445K","bundle":"https://pith.science/pith/3F43WWLYVXRZFH426JBVUD445K/bundle.json","state":"https://pith.science/pith/3F43WWLYVXRZFH426JBVUD445K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3F43WWLYVXRZFH426JBVUD445K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3F43WWLYVXRZFH426JBVUD445K","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":"e2d78660a8425947b38a0dc027ca0f37a95984ecd17fa05890ae7abd8552df45","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2017-08-02T13:50:09Z","title_canon_sha256":"af65515911bcc971922dc16579f89ff62210290f2c3f1c4c5d617e7f21ea5f6a"},"schema_version":"1.0","source":{"id":"1709.06528","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.06528","created_at":"2026-05-18T00:34:45Z"},{"alias_kind":"arxiv_version","alias_value":"1709.06528v1","created_at":"2026-05-18T00:34:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.06528","created_at":"2026-05-18T00:34:45Z"},{"alias_kind":"pith_short_12","alias_value":"3F43WWLYVXRZ","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3F43WWLYVXRZFH42","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3F43WWLY","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:139d4c2d060a7f3b99feb65acec3934aec3f5d9c15de0c9426c497461c75e675","target":"graph","created_at":"2026-05-18T00:34:45Z","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"},"paper":{"abstract_excerpt":"Electronic medical records (EMRs) are critical, highly sensitive private information in healthcare, and need to be frequently shared among peers. Blockchain provides a shared, immutable and transparent history of all the transactions to build applications with trust, accountability and transparency. This provides a unique opportunity to develop a secure and trustable EMR data management and sharing system using blockchain. In this paper, we present our perspectives on blockchain based healthcare data management, in particular, for EMR data sharing between healthcare providers and for research ","authors_text":"Alevtina Dubovitskaya, Fusheng Wang, Michael Schumacher, Samuel Ryu, Zhigang Xu","cross_cats":["cs.CR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2017-08-02T13:50:09Z","title":"Secure and Trustable Electronic Medical Records Sharing using Blockchain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.06528","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:fcf36745f93fae36ad4fb386e2e1666d5f8403988d409123d515a3625e2f8aa6","target":"record","created_at":"2026-05-18T00:34:45Z","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":"e2d78660a8425947b38a0dc027ca0f37a95984ecd17fa05890ae7abd8552df45","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2017-08-02T13:50:09Z","title_canon_sha256":"af65515911bcc971922dc16579f89ff62210290f2c3f1c4c5d617e7f21ea5f6a"},"schema_version":"1.0","source":{"id":"1709.06528","kind":"arxiv","version":1}},"canonical_sha256":"d979bb5978ade3929f9af2435a0f9ceaadf77a8732e873fd21763ad421e6ac16","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d979bb5978ade3929f9af2435a0f9ceaadf77a8732e873fd21763ad421e6ac16","first_computed_at":"2026-05-18T00:34:45.489831Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:45.489831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"frzPPyFHaP0FHt3bE4myBWGQKyRxFvzTE2/AetGuLrNKJCMSn3KiFgEEwdFlOrhlKU1s0x2DJqWd+z/yd++TBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:45.490563Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.06528","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fcf36745f93fae36ad4fb386e2e1666d5f8403988d409123d515a3625e2f8aa6","sha256:139d4c2d060a7f3b99feb65acec3934aec3f5d9c15de0c9426c497461c75e675"],"state_sha256":"f2901482b6c9d9cf33547e4c76f7f3e5374b36942548f84d2f5ab08c465eb367"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lRNZnaww7dXMsOnfOU3WuBFTs8/lJvUJvBqsp2+nGAkijRmFlqupFunH+ns55w5N/Zw+xRFRkR4axwyTlHurDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T21:55:53.632841Z","bundle_sha256":"0e14ae4399f998b491cb40b339fc60db33fe2c257bc47c007a3577c7855c0d02"}}