{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:KUQZZPZJGIRIDXAEJJI33OT7IX","short_pith_number":"pith:KUQZZPZJ","schema_version":"1.0","canonical_sha256":"55219cbf29322281dc044a51bdba7f45cacfdff2ff90feb7fde2d0822db6a5ed","source":{"kind":"arxiv","id":"1807.03662","version":1},"attestation_state":"computed","paper":{"title":"TrialChain: A Blockchain-Based Platform to Validate Data Integrity in Large, Biomedical Research Studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"cs.DC","authors_text":"Guannan Gong, Hao Dai, Harlan M Krumholz, H Patrick Young, Lixin Jiang, Mingming Kang, Thomas JS Durant, Wade L Schulz","submitted_at":"2018-07-10T14:10:54Z","abstract_excerpt":"The governance of data used for biomedical research and clinical trials is an important requirement for generating accurate results. To improve the visibility of data quality and analysis, we developed TrialChain, a blockchain-based platform that can be used to validate data integrity from large, biomedical research studies. We implemented a private blockchain using the MultiChain platform and integrated it with a data science platform deployed within a large research center. An administrative web application was built with Python to manage the platform, which was built with a microservice arc"},"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":"1807.03662","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-07-10T14:10:54Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"c40d0697ff323627ac961b6536489dce1342ef80e9c7434c0a3a474a429d9e9e","abstract_canon_sha256":"ccb8e6feaddcf5e6c0f944bc9a768d6623648af96c77170511e50454dce3d016"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:03.613937Z","signature_b64":"MYy06KjKhokrjxGHL6zRYlyVCjKvFiHgcLgD/95rSNSPCffwzxRXCqAs0MIE+DndDxzLNKLQFFZCydqcCvCGCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55219cbf29322281dc044a51bdba7f45cacfdff2ff90feb7fde2d0822db6a5ed","last_reissued_at":"2026-05-18T00:11:03.613250Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:03.613250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"TrialChain: A Blockchain-Based Platform to Validate Data Integrity in Large, Biomedical Research Studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"cs.DC","authors_text":"Guannan Gong, Hao Dai, Harlan M Krumholz, H Patrick Young, Lixin Jiang, Mingming Kang, Thomas JS Durant, Wade L Schulz","submitted_at":"2018-07-10T14:10:54Z","abstract_excerpt":"The governance of data used for biomedical research and clinical trials is an important requirement for generating accurate results. To improve the visibility of data quality and analysis, we developed TrialChain, a blockchain-based platform that can be used to validate data integrity from large, biomedical research studies. We implemented a private blockchain using the MultiChain platform and integrated it with a data science platform deployed within a large research center. An administrative web application was built with Python to manage the platform, which was built with a microservice arc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.03662","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":"1807.03662","created_at":"2026-05-18T00:11:03.613368+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.03662v1","created_at":"2026-05-18T00:11:03.613368+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.03662","created_at":"2026-05-18T00:11:03.613368+00:00"},{"alias_kind":"pith_short_12","alias_value":"KUQZZPZJGIRI","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_16","alias_value":"KUQZZPZJGIRIDXAE","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_8","alias_value":"KUQZZPZJ","created_at":"2026-05-18T12:32:33.847187+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/KUQZZPZJGIRIDXAEJJI33OT7IX","json":"https://pith.science/pith/KUQZZPZJGIRIDXAEJJI33OT7IX.json","graph_json":"https://pith.science/api/pith-number/KUQZZPZJGIRIDXAEJJI33OT7IX/graph.json","events_json":"https://pith.science/api/pith-number/KUQZZPZJGIRIDXAEJJI33OT7IX/events.json","paper":"https://pith.science/paper/KUQZZPZJ"},"agent_actions":{"view_html":"https://pith.science/pith/KUQZZPZJGIRIDXAEJJI33OT7IX","download_json":"https://pith.science/pith/KUQZZPZJGIRIDXAEJJI33OT7IX.json","view_paper":"https://pith.science/paper/KUQZZPZJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.03662&json=true","fetch_graph":"https://pith.science/api/pith-number/KUQZZPZJGIRIDXAEJJI33OT7IX/graph.json","fetch_events":"https://pith.science/api/pith-number/KUQZZPZJGIRIDXAEJJI33OT7IX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KUQZZPZJGIRIDXAEJJI33OT7IX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KUQZZPZJGIRIDXAEJJI33OT7IX/action/storage_attestation","attest_author":"https://pith.science/pith/KUQZZPZJGIRIDXAEJJI33OT7IX/action/author_attestation","sign_citation":"https://pith.science/pith/KUQZZPZJGIRIDXAEJJI33OT7IX/action/citation_signature","submit_replication":"https://pith.science/pith/KUQZZPZJGIRIDXAEJJI33OT7IX/action/replication_record"}},"created_at":"2026-05-18T00:11:03.613368+00:00","updated_at":"2026-05-18T00:11:03.613368+00:00"}