{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7FTEE5J7HSPS3MUVTCSK5W7MFW","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":"abf8c98ac511953f8cde7811f9bbb70c7c503f5930546602b6e3c7745ba9e1a4","cross_cats_sorted":["cs.DB","cs.SE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2019-02-07T04:26:17Z","title_canon_sha256":"2fee1a21da3780c222fe9678dfe2eaf885fae7fe9ec08d94f03b45a3d79e8bbd"},"schema_version":"1.0","source":{"id":"1902.02470","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.02470","created_at":"2026-05-17T23:52:26Z"},{"alias_kind":"arxiv_version","alias_value":"1902.02470v5","created_at":"2026-05-17T23:52:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.02470","created_at":"2026-05-17T23:52:26Z"},{"alias_kind":"pith_short_12","alias_value":"7FTEE5J7HSPS","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7FTEE5J7HSPS3MUV","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7FTEE5J7","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:4f0dc2a9a28b439be872d0cae743181a3fe8ffa9be0db6bf7131245e52ff3ba1","target":"graph","created_at":"2026-05-17T23:52:26Z","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":"The Project PAI Data Protocol (\"PAI Data\") is a specification that extends the Project PAI Blockchain Protocol to include a method of securing and provisioning access to arbitrary data. In the context of PAI Coin Development Proposal (PDP) 2, this paper defines two important transaction types that PAI Data supports: Storage Transactions, which facilitate storage of data and proof of ownership, and Sharing Transactions, designed to enable granting and revocation of data access to designated recipients. A comparative analysis of PAI Data against similar blockchain-based file storage systems is a","authors_text":"Dan Fang, Jincheng Du, Mark Harvilla","cross_cats":["cs.DB","cs.SE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2019-02-07T04:26:17Z","title":"PAI Data, Summary of the Project PAI Data Protocol"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.02470","kind":"arxiv","version":5},"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:b87ca4b9e0fbbecb49d4c196658fcbb2c356df7e475b8def7af9cd186acea74f","target":"record","created_at":"2026-05-17T23:52:26Z","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":"abf8c98ac511953f8cde7811f9bbb70c7c503f5930546602b6e3c7745ba9e1a4","cross_cats_sorted":["cs.DB","cs.SE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2019-02-07T04:26:17Z","title_canon_sha256":"2fee1a21da3780c222fe9678dfe2eaf885fae7fe9ec08d94f03b45a3d79e8bbd"},"schema_version":"1.0","source":{"id":"1902.02470","kind":"arxiv","version":5}},"canonical_sha256":"f96642753f3c9f2db29598a4aedbec2da555887e31a0efba90d16345980a95da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f96642753f3c9f2db29598a4aedbec2da555887e31a0efba90d16345980a95da","first_computed_at":"2026-05-17T23:52:26.757967Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:26.757967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1MahLxhvb7jmpOuG5dCGWBlwRRSc6z6cqIb6QVtPosuDygSznJL70EdIkrpWkmKzAqgX106M+rZACqepAGCuDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:26.758606Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.02470","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b87ca4b9e0fbbecb49d4c196658fcbb2c356df7e475b8def7af9cd186acea74f","sha256:4f0dc2a9a28b439be872d0cae743181a3fe8ffa9be0db6bf7131245e52ff3ba1"],"state_sha256":"27f9c5d2fc96ff7fefeea4b7050ba173a4fa40dce8c3fe27fc0a9ae0938c4def"}