{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:XAL2BQTZCQ46O6QT6KTKOAWBPD","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":"51300bca6d50da2cb6217300de996e9ddd205d4ba8276e80da1cf7e853650b59","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-02-25T06:08:48Z","title_canon_sha256":"c4411b80f4f75b6c697e7906e15d6822beff6fdc91dd8ec1dfacc6a741e9ec6f"},"schema_version":"1.0","source":{"id":"1902.09100","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.09100","created_at":"2026-05-17T23:48:41Z"},{"alias_kind":"arxiv_version","alias_value":"1902.09100v2","created_at":"2026-05-17T23:48:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09100","created_at":"2026-05-17T23:48:41Z"},{"alias_kind":"pith_short_12","alias_value":"XAL2BQTZCQ46","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"XAL2BQTZCQ46O6QT","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"XAL2BQTZ","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:ae1eea99a9bfbc3636cbe72683acfa6b6064b7fc0c8d9d573ded23a8359227dd","target":"graph","created_at":"2026-05-17T23:48:41Z","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 blockchain technology has been changing our daily lives since Bitcoin - i.e., the first decentralized cryptocurrency - was invented and released as open-source software by an unidentified person or a group called Satoshi Nakamoto in 2009. Of many applications which can be implemented based on the blockchain, storage is an important one, a notable example of which is the InterPlanetary File System (IPFS). IPFS is a distributed web based on a peer-to-peer hypermedia protocol to make the web faster, safer, and more open and focuses on public accessible files. To provide a solution for private","authors_text":"Jia Kan, Kyeong Soo Kim","cross_cats":["cs.CR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-02-25T06:08:48Z","title":"MTFS: Merkle-Tree-Based File System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09100","kind":"arxiv","version":2},"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:fe7df97b3f7aeaa44678f8e8bbb5c29ebb16c5c679c464797c0af1847a1db056","target":"record","created_at":"2026-05-17T23:48:41Z","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":"51300bca6d50da2cb6217300de996e9ddd205d4ba8276e80da1cf7e853650b59","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-02-25T06:08:48Z","title_canon_sha256":"c4411b80f4f75b6c697e7906e15d6822beff6fdc91dd8ec1dfacc6a741e9ec6f"},"schema_version":"1.0","source":{"id":"1902.09100","kind":"arxiv","version":2}},"canonical_sha256":"b817a0c2791439e77a13f2a6a702c178dabe8c7260119ea35a38fbe994ba2fc3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b817a0c2791439e77a13f2a6a702c178dabe8c7260119ea35a38fbe994ba2fc3","first_computed_at":"2026-05-17T23:48:41.615606Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:41.615606Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MwY/XhZl+EHU5orPpenbcELE59nq/DW6R/JeWqDI7FXT1Gw5uWASyu4A/ysvVGnLi5c6hg5ygfRcmoAgN4LIDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:41.616053Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.09100","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe7df97b3f7aeaa44678f8e8bbb5c29ebb16c5c679c464797c0af1847a1db056","sha256:ae1eea99a9bfbc3636cbe72683acfa6b6064b7fc0c8d9d573ded23a8359227dd"],"state_sha256":"e82c2d5bcbf129887fd5c82f29155dae559a5385f4ab6dea37c9596130622368"}