{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CIXSUGEMXZBAKT6IUPVSIOMTMG","short_pith_number":"pith:CIXSUGEM","canonical_record":{"source":{"id":"1803.07877","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2018-03-21T12:19:52Z","cross_cats_sorted":["cs.DC"],"title_canon_sha256":"882be99860961f9cbd7dbce2e32b36cbfe6d6149b1b1d2b6c98665a304d3bbe7","abstract_canon_sha256":"a66da49a7a1338623f8439badf970d06d24025a2a311631e3bf3097e3a6dc918"},"schema_version":"1.0"},"canonical_sha256":"122f2a188cbe42054fc8a3eb2439936185b23c895eebd0c5fadcf59a1cb4d857","source":{"kind":"arxiv","id":"1803.07877","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.07877","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"arxiv_version","alias_value":"1803.07877v1","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.07877","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"pith_short_12","alias_value":"CIXSUGEMXZBA","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CIXSUGEMXZBAKT6I","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CIXSUGEM","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CIXSUGEMXZBAKT6IUPVSIOMTMG","target":"record","payload":{"canonical_record":{"source":{"id":"1803.07877","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2018-03-21T12:19:52Z","cross_cats_sorted":["cs.DC"],"title_canon_sha256":"882be99860961f9cbd7dbce2e32b36cbfe6d6149b1b1d2b6c98665a304d3bbe7","abstract_canon_sha256":"a66da49a7a1338623f8439badf970d06d24025a2a311631e3bf3097e3a6dc918"},"schema_version":"1.0"},"canonical_sha256":"122f2a188cbe42054fc8a3eb2439936185b23c895eebd0c5fadcf59a1cb4d857","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:28.687196Z","signature_b64":"LozsbvnzkChXm52ProiPj7F3Z6/dw6tJwCsFydZ8p4Otv33PBhrVHOFRShuWqqIhaImWLmMMZlf74bK2lY7vBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"122f2a188cbe42054fc8a3eb2439936185b23c895eebd0c5fadcf59a1cb4d857","last_reissued_at":"2026-05-18T00:20:28.686438Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:28.686438Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.07877","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":"2026-05-18T00:20:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PIVPxVE71j30espTBYTHdXXr+0177bSAQKxXEoK5SCcxKhgZE7d+iaCJVyn+6dXwFXZy3TFolblLzYJjm9xhCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T09:29:14.974746Z"},"content_sha256":"e82be69fa27308bc756457ac220c547b83c72f25d853179e24bcbb30d2b08a22","schema_version":"1.0","event_id":"sha256:e82be69fa27308bc756457ac220c547b83c72f25d853179e24bcbb30d2b08a22"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CIXSUGEMXZBAKT6IUPVSIOMTMG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Case Study for Grain Quality Assurance Tracking based on a Blockchain Business Network","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.DC"],"primary_cat":"cs.CY","authors_text":"Alecio P. D. Binotto, Fernanda da Silva Momo, Henry Kim, Percival Lucena","submitted_at":"2018-03-21T12:19:52Z","abstract_excerpt":"One of the key processes in Agriculture is quality measurement throughout the transportation of grains along its complex supply chain. This procedure is suitable for failures, such as delays to final destinations, poor monitoring, and frauds. To address the grain quality measurement challenge through the transportation chain, novel technologies, such as Distributed Ledger and Blockchain, can bring more efficiency and resilience to the process. Particularly, Blockchain is a new type of distributed database in which transactions are securely appended using cryptography and hashed pointers. Those"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.07877","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":"2026-05-18T00:20:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qPQta/Nhyw41a6/OxBU+7tGUmVzdNnkJxuQI+gDMoZVl8VfPJ6yHoMf6dW8okzMKIs0tF39Bqovrwp9tKfOiDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T09:29:14.975098Z"},"content_sha256":"802e90e7f1589d2094db9d7643940c27ee48e9d26ab431f3edd1f0134012ef87","schema_version":"1.0","event_id":"sha256:802e90e7f1589d2094db9d7643940c27ee48e9d26ab431f3edd1f0134012ef87"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CIXSUGEMXZBAKT6IUPVSIOMTMG/bundle.json","state_url":"https://pith.science/pith/CIXSUGEMXZBAKT6IUPVSIOMTMG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CIXSUGEMXZBAKT6IUPVSIOMTMG/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":"2026-06-12T09:29:14Z","links":{"resolver":"https://pith.science/pith/CIXSUGEMXZBAKT6IUPVSIOMTMG","bundle":"https://pith.science/pith/CIXSUGEMXZBAKT6IUPVSIOMTMG/bundle.json","state":"https://pith.science/pith/CIXSUGEMXZBAKT6IUPVSIOMTMG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CIXSUGEMXZBAKT6IUPVSIOMTMG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CIXSUGEMXZBAKT6IUPVSIOMTMG","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":"a66da49a7a1338623f8439badf970d06d24025a2a311631e3bf3097e3a6dc918","cross_cats_sorted":["cs.DC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2018-03-21T12:19:52Z","title_canon_sha256":"882be99860961f9cbd7dbce2e32b36cbfe6d6149b1b1d2b6c98665a304d3bbe7"},"schema_version":"1.0","source":{"id":"1803.07877","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.07877","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"arxiv_version","alias_value":"1803.07877v1","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.07877","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"pith_short_12","alias_value":"CIXSUGEMXZBA","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CIXSUGEMXZBAKT6I","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CIXSUGEM","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:802e90e7f1589d2094db9d7643940c27ee48e9d26ab431f3edd1f0134012ef87","target":"graph","created_at":"2026-05-18T00:20:28Z","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":"One of the key processes in Agriculture is quality measurement throughout the transportation of grains along its complex supply chain. This procedure is suitable for failures, such as delays to final destinations, poor monitoring, and frauds. To address the grain quality measurement challenge through the transportation chain, novel technologies, such as Distributed Ledger and Blockchain, can bring more efficiency and resilience to the process. Particularly, Blockchain is a new type of distributed database in which transactions are securely appended using cryptography and hashed pointers. Those","authors_text":"Alecio P. D. Binotto, Fernanda da Silva Momo, Henry Kim, Percival Lucena","cross_cats":["cs.DC"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2018-03-21T12:19:52Z","title":"A Case Study for Grain Quality Assurance Tracking based on a Blockchain Business Network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.07877","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:e82be69fa27308bc756457ac220c547b83c72f25d853179e24bcbb30d2b08a22","target":"record","created_at":"2026-05-18T00:20:28Z","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":"a66da49a7a1338623f8439badf970d06d24025a2a311631e3bf3097e3a6dc918","cross_cats_sorted":["cs.DC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2018-03-21T12:19:52Z","title_canon_sha256":"882be99860961f9cbd7dbce2e32b36cbfe6d6149b1b1d2b6c98665a304d3bbe7"},"schema_version":"1.0","source":{"id":"1803.07877","kind":"arxiv","version":1}},"canonical_sha256":"122f2a188cbe42054fc8a3eb2439936185b23c895eebd0c5fadcf59a1cb4d857","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"122f2a188cbe42054fc8a3eb2439936185b23c895eebd0c5fadcf59a1cb4d857","first_computed_at":"2026-05-18T00:20:28.686438Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:28.686438Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LozsbvnzkChXm52ProiPj7F3Z6/dw6tJwCsFydZ8p4Otv33PBhrVHOFRShuWqqIhaImWLmMMZlf74bK2lY7vBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:28.687196Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.07877","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e82be69fa27308bc756457ac220c547b83c72f25d853179e24bcbb30d2b08a22","sha256:802e90e7f1589d2094db9d7643940c27ee48e9d26ab431f3edd1f0134012ef87"],"state_sha256":"8f068beb5d9a499eabc428c2b8fea26dc3b28807ce6333fa143a197bea69e33e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pUMthFzsIjLwjh5Gj68zqWUB5Zm5deNdTgcFTLCUFcECwqsQm6UeDnKgYBvNdO02t7m0khJvDPBjJngo4QUYAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T09:29:14.977214Z","bundle_sha256":"cdf0394f52e451b689c6e62801898a528407c86a2a69699eebc31a6dd9690920"}}