{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:CGYFLIRHZENLXZXEPWBJ72GIHS","short_pith_number":"pith:CGYFLIRH","canonical_record":{"source":{"id":"1712.01210","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-12-04T17:29:07Z","cross_cats_sorted":[],"title_canon_sha256":"43f59bd6993ec552987bc5849d37c593f7d138764f8d6dfafdc1735e1f5cb515","abstract_canon_sha256":"10960f7f54196d34f24f9dd0c5c40dc12e264e6103be3dd894447064353d6426"},"schema_version":"1.0"},"canonical_sha256":"11b055a227c91abbe6e47d829fe8c83c993580a2d3fcedfed89265f51ef9d6f5","source":{"kind":"arxiv","id":"1712.01210","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01210","created_at":"2026-05-18T00:28:57Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01210v1","created_at":"2026-05-18T00:28:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01210","created_at":"2026-05-18T00:28:57Z"},{"alias_kind":"pith_short_12","alias_value":"CGYFLIRHZENL","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CGYFLIRHZENLXZXE","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CGYFLIRH","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:CGYFLIRHZENLXZXEPWBJ72GIHS","target":"record","payload":{"canonical_record":{"source":{"id":"1712.01210","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-12-04T17:29:07Z","cross_cats_sorted":[],"title_canon_sha256":"43f59bd6993ec552987bc5849d37c593f7d138764f8d6dfafdc1735e1f5cb515","abstract_canon_sha256":"10960f7f54196d34f24f9dd0c5c40dc12e264e6103be3dd894447064353d6426"},"schema_version":"1.0"},"canonical_sha256":"11b055a227c91abbe6e47d829fe8c83c993580a2d3fcedfed89265f51ef9d6f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:57.669264Z","signature_b64":"/vEWVxO+96D2q6qyJ0T9uUMcHoyCyhRVPn37p3PsMTjl4uUcUxUE0AjhDCKwEC87SCisdnkOpmo513vLAMt8Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11b055a227c91abbe6e47d829fe8c83c993580a2d3fcedfed89265f51ef9d6f5","last_reissued_at":"2026-05-18T00:28:57.668737Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:57.668737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.01210","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":"2026-05-18T00:28:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cer/D6yv7NSdihFFh8KuI9KtLd0VECj7prSxAydm1nLfHeyFCYS0wY0DKFKnsYsLSLzUi2bpiCCZquGL3t1pAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:04:09.583522Z"},"content_sha256":"46bc2a54b2b65877c431145944318c9683beb50ccb1a9b818fc9e8011236b763","schema_version":"1.0","event_id":"sha256:46bc2a54b2b65877c431145944318c9683beb50ccb1a9b818fc9e8011236b763"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:CGYFLIRHZENLXZXEPWBJ72GIHS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the linkability of Zcash transactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Jeffrey Quesnelle","submitted_at":"2017-12-04T17:29:07Z","abstract_excerpt":"Zcash is a fork of Bitcoin with optional anonymity features. While transparent transactions are fully linkable, shielded transactions use zero-knowledge proofs to obscure the parties and amounts of the transactions. First, we observe various metrics regarding the usage of shielded addresses. Moreover, we show that most coins sent to shielded addresses are later sent back to transparent addresses. We then search for round-trip transactions, where the same, or nearly the same number of coins are sent from a transparent address, to a shielded address, and back again to a transparent address. We a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01210","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":"2026-05-18T00:28:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yL7Q1BPbJ3nlAakFYTqJPV+D2hZAnUphEcCigtoYPKKl6MdTwYGHC2NIGoR+kntJ4LdLlFFfAVYtzGZW+L94CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:04:09.583868Z"},"content_sha256":"368408b4b0bffe53cf220519110199a8921b22fd3226d9a936f24f5086fc79d8","schema_version":"1.0","event_id":"sha256:368408b4b0bffe53cf220519110199a8921b22fd3226d9a936f24f5086fc79d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CGYFLIRHZENLXZXEPWBJ72GIHS/bundle.json","state_url":"https://pith.science/pith/CGYFLIRHZENLXZXEPWBJ72GIHS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CGYFLIRHZENLXZXEPWBJ72GIHS/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":"2026-07-06T15:04:09Z","links":{"resolver":"https://pith.science/pith/CGYFLIRHZENLXZXEPWBJ72GIHS","bundle":"https://pith.science/pith/CGYFLIRHZENLXZXEPWBJ72GIHS/bundle.json","state":"https://pith.science/pith/CGYFLIRHZENLXZXEPWBJ72GIHS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CGYFLIRHZENLXZXEPWBJ72GIHS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:CGYFLIRHZENLXZXEPWBJ72GIHS","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":"10960f7f54196d34f24f9dd0c5c40dc12e264e6103be3dd894447064353d6426","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-12-04T17:29:07Z","title_canon_sha256":"43f59bd6993ec552987bc5849d37c593f7d138764f8d6dfafdc1735e1f5cb515"},"schema_version":"1.0","source":{"id":"1712.01210","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01210","created_at":"2026-05-18T00:28:57Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01210v1","created_at":"2026-05-18T00:28:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01210","created_at":"2026-05-18T00:28:57Z"},{"alias_kind":"pith_short_12","alias_value":"CGYFLIRHZENL","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CGYFLIRHZENLXZXE","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CGYFLIRH","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:368408b4b0bffe53cf220519110199a8921b22fd3226d9a936f24f5086fc79d8","target":"graph","created_at":"2026-05-18T00:28:57Z","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":"Zcash is a fork of Bitcoin with optional anonymity features. While transparent transactions are fully linkable, shielded transactions use zero-knowledge proofs to obscure the parties and amounts of the transactions. First, we observe various metrics regarding the usage of shielded addresses. Moreover, we show that most coins sent to shielded addresses are later sent back to transparent addresses. We then search for round-trip transactions, where the same, or nearly the same number of coins are sent from a transparent address, to a shielded address, and back again to a transparent address. We a","authors_text":"Jeffrey Quesnelle","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-12-04T17:29:07Z","title":"On the linkability of Zcash transactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01210","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":"sha256:46bc2a54b2b65877c431145944318c9683beb50ccb1a9b818fc9e8011236b763","target":"record","created_at":"2026-05-18T00:28:57Z","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":"10960f7f54196d34f24f9dd0c5c40dc12e264e6103be3dd894447064353d6426","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-12-04T17:29:07Z","title_canon_sha256":"43f59bd6993ec552987bc5849d37c593f7d138764f8d6dfafdc1735e1f5cb515"},"schema_version":"1.0","source":{"id":"1712.01210","kind":"arxiv","version":1}},"canonical_sha256":"11b055a227c91abbe6e47d829fe8c83c993580a2d3fcedfed89265f51ef9d6f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11b055a227c91abbe6e47d829fe8c83c993580a2d3fcedfed89265f51ef9d6f5","first_computed_at":"2026-05-18T00:28:57.668737Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:57.668737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/vEWVxO+96D2q6qyJ0T9uUMcHoyCyhRVPn37p3PsMTjl4uUcUxUE0AjhDCKwEC87SCisdnkOpmo513vLAMt8Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:57.669264Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.01210","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46bc2a54b2b65877c431145944318c9683beb50ccb1a9b818fc9e8011236b763","sha256:368408b4b0bffe53cf220519110199a8921b22fd3226d9a936f24f5086fc79d8"],"state_sha256":"fe672f80a2e524157d209d7657bf97bdd2e71dc6bef3c68a727a3fb1152e8acb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nzBDgLdCP91gJO8l6p5QPO+Ow461SCGyogpLY5C+pRkqGejWoD6S5SEeznmHaHSZatrJhLq+gdjPxL4jkmqtDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T15:04:09.585747Z","bundle_sha256":"b1ff9a853b10bd7550689154bc8ddd98024b0472ab722e212654b44e5ef5359b"}}