{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:GFBOENP5FK6MEOW33VEJWAGPGJ","short_pith_number":"pith:GFBOENP5","schema_version":"1.0","canonical_sha256":"3142e235fd2abcc23adbdd489b00cf327dbee72d524f1559a99848f1acfa45d5","source":{"kind":"arxiv","id":"1901.10645","version":1},"attestation_state":"computed","paper":{"title":"MediChainTM: A Secure Decentralized Medical Data Asset Management System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Adam D. Simmons, Darryl G. Humphery, Luke Butterworth, Ralph Deters, Sara Rouhani","submitted_at":"2019-01-30T02:22:07Z","abstract_excerpt":"The set of distributed ledger architectures known as blockchain is best known for cryptocurrency applications such as Bitcoin and Ethereum. These permissionless block chains are showing the potential to be disruptive to the financial services industry. Their broader adoption is likely to be limited by the maximum block size, the cost of the Proof of Work consensus mechanism, and the increasing size of any given chain overwhelming most of the participating nodes. These factors have led to many cryptocurrency blockchains to become centralized in the nodes with enough computing power and storage "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1901.10645","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2019-01-30T02:22:07Z","cross_cats_sorted":[],"title_canon_sha256":"c0538f1c826dbdd62ebd55425cb84672f88be4ab6b98f3fc95333cb98b5409eb","abstract_canon_sha256":"dec0c0179635d3e1bee1d0b239b50fd29c1784a2efb7ddbc21925324df0b0eb8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:06.406814Z","signature_b64":"bdK11Dl/oz7+Pcj/R9rDFkY5r1EKkiss7v6Qn8iA60aCR48Q3PXULeuSuYPLo/Lprp07Nn2X8WTNUl5fTsunBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3142e235fd2abcc23adbdd489b00cf327dbee72d524f1559a99848f1acfa45d5","last_reissued_at":"2026-05-17T23:55:06.406261Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:06.406261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"MediChainTM: A Secure Decentralized Medical Data Asset Management System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Adam D. Simmons, Darryl G. Humphery, Luke Butterworth, Ralph Deters, Sara Rouhani","submitted_at":"2019-01-30T02:22:07Z","abstract_excerpt":"The set of distributed ledger architectures known as blockchain is best known for cryptocurrency applications such as Bitcoin and Ethereum. These permissionless block chains are showing the potential to be disruptive to the financial services industry. Their broader adoption is likely to be limited by the maximum block size, the cost of the Proof of Work consensus mechanism, and the increasing size of any given chain overwhelming most of the participating nodes. These factors have led to many cryptocurrency blockchains to become centralized in the nodes with enough computing power and storage "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.10645","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1901.10645","created_at":"2026-05-17T23:55:06.406360+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.10645v1","created_at":"2026-05-17T23:55:06.406360+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.10645","created_at":"2026-05-17T23:55:06.406360+00:00"},{"alias_kind":"pith_short_12","alias_value":"GFBOENP5FK6M","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_16","alias_value":"GFBOENP5FK6MEOW3","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_8","alias_value":"GFBOENP5","created_at":"2026-05-18T12:33:18.533446+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GFBOENP5FK6MEOW33VEJWAGPGJ","json":"https://pith.science/pith/GFBOENP5FK6MEOW33VEJWAGPGJ.json","graph_json":"https://pith.science/api/pith-number/GFBOENP5FK6MEOW33VEJWAGPGJ/graph.json","events_json":"https://pith.science/api/pith-number/GFBOENP5FK6MEOW33VEJWAGPGJ/events.json","paper":"https://pith.science/paper/GFBOENP5"},"agent_actions":{"view_html":"https://pith.science/pith/GFBOENP5FK6MEOW33VEJWAGPGJ","download_json":"https://pith.science/pith/GFBOENP5FK6MEOW33VEJWAGPGJ.json","view_paper":"https://pith.science/paper/GFBOENP5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.10645&json=true","fetch_graph":"https://pith.science/api/pith-number/GFBOENP5FK6MEOW33VEJWAGPGJ/graph.json","fetch_events":"https://pith.science/api/pith-number/GFBOENP5FK6MEOW33VEJWAGPGJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GFBOENP5FK6MEOW33VEJWAGPGJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GFBOENP5FK6MEOW33VEJWAGPGJ/action/storage_attestation","attest_author":"https://pith.science/pith/GFBOENP5FK6MEOW33VEJWAGPGJ/action/author_attestation","sign_citation":"https://pith.science/pith/GFBOENP5FK6MEOW33VEJWAGPGJ/action/citation_signature","submit_replication":"https://pith.science/pith/GFBOENP5FK6MEOW33VEJWAGPGJ/action/replication_record"}},"created_at":"2026-05-17T23:55:06.406360+00:00","updated_at":"2026-05-17T23:55:06.406360+00:00"}