{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:TAS6SIMB55QQOUHMF2YOHYX4NU","short_pith_number":"pith:TAS6SIMB","canonical_record":{"source":{"id":"1810.09300","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2018-10-22T14:08:16Z","cross_cats_sorted":["cs.NI","cs.PF"],"title_canon_sha256":"bda6fe9d8d2a80a7d1eca57fc3d1bf3755e02807b566f0843180e76a3fba3b93","abstract_canon_sha256":"8078d90938a0a8960a09bf2f07a8b83d67778af9e56878dab16330faeae44d5d"},"schema_version":"1.0"},"canonical_sha256":"9825e92181ef610750ec2eb0e3e2fc6d1cee05dad025a2e1ecdd5ee26bbb5889","source":{"kind":"arxiv","id":"1810.09300","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.09300","created_at":"2026-05-17T23:43:17Z"},{"alias_kind":"arxiv_version","alias_value":"1810.09300v4","created_at":"2026-05-17T23:43:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09300","created_at":"2026-05-17T23:43:17Z"},{"alias_kind":"pith_short_12","alias_value":"TAS6SIMB55QQ","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"TAS6SIMB55QQOUHM","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"TAS6SIMB","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:TAS6SIMB55QQOUHMF2YOHYX4NU","target":"record","payload":{"canonical_record":{"source":{"id":"1810.09300","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2018-10-22T14:08:16Z","cross_cats_sorted":["cs.NI","cs.PF"],"title_canon_sha256":"bda6fe9d8d2a80a7d1eca57fc3d1bf3755e02807b566f0843180e76a3fba3b93","abstract_canon_sha256":"8078d90938a0a8960a09bf2f07a8b83d67778af9e56878dab16330faeae44d5d"},"schema_version":"1.0"},"canonical_sha256":"9825e92181ef610750ec2eb0e3e2fc6d1cee05dad025a2e1ecdd5ee26bbb5889","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:17.336339Z","signature_b64":"LLF+v84t+KvbOPWqHsHzgbDjd1Ua5FS/SAJKuI4kapS4XP827yjn41VTQAnyuZ5fHc+faX2eaVg9Ub3pBeKcDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9825e92181ef610750ec2eb0e3e2fc6d1cee05dad025a2e1ecdd5ee26bbb5889","last_reissued_at":"2026-05-17T23:43:17.335493Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:17.335493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.09300","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:43:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EuGMG2qDSxWhTlmBdIRNDMogjDQpLsO7Jxr1ya5KBFMaWHb2VG6qH8ojeGggZG64LLBElRKQYrk0f99qLhhZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:22:49.782617Z"},"content_sha256":"dc0bc45c749ce84e929d41b71c543f120bf36c5cfec9fffe6a4c8551ca24ee95","schema_version":"1.0","event_id":"sha256:dc0bc45c749ce84e929d41b71c543f120bf36c5cfec9fffe6a4c8551ca24ee95"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:TAS6SIMB55QQOUHMF2YOHYX4NU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"RCanopus: Making Canopus Resilient to Failures and Byzantine Faults","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.NI","cs.PF"],"primary_cat":"cs.DC","authors_text":"B. Wong, S. Gorbunov, S. Keshav, S. Rizvi, W. Golab","submitted_at":"2018-10-22T14:08:16Z","abstract_excerpt":"Distributed consensus is a key enabler for many distributed systems including distributed databases and blockchains. Canopus is a scalable distributed consensus protocol that ensures that live nodes in a system agree on an ordered sequence of operations (called transactions). Unlike most prior consensus protocols, Canopus does not rely on a single leader. Instead, it uses a virtual tree overlay for message dissemination to limit network traffic across oversubscribed links. It leverages hardware redundancies, both within a rack and inside the network fabric, to reduce both protocol complexity a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09300","kind":"arxiv","version":4},"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":"2026-05-17T23:43:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nYQSp5dEt6A1Vus1l6QZSNpoNBOvRleyf4Mc+OR2wf4MejpRrSw3K4X1tZi89sW1i+K2u7aLn6k1dszo7CpACQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:22:49.782966Z"},"content_sha256":"a165221871b3d5d1630224cf87bba663d40dff0ad0d70aa9f73cdde6b7e481b4","schema_version":"1.0","event_id":"sha256:a165221871b3d5d1630224cf87bba663d40dff0ad0d70aa9f73cdde6b7e481b4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TAS6SIMB55QQOUHMF2YOHYX4NU/bundle.json","state_url":"https://pith.science/pith/TAS6SIMB55QQOUHMF2YOHYX4NU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TAS6SIMB55QQOUHMF2YOHYX4NU/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":"2026-05-31T21:22:49Z","links":{"resolver":"https://pith.science/pith/TAS6SIMB55QQOUHMF2YOHYX4NU","bundle":"https://pith.science/pith/TAS6SIMB55QQOUHMF2YOHYX4NU/bundle.json","state":"https://pith.science/pith/TAS6SIMB55QQOUHMF2YOHYX4NU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TAS6SIMB55QQOUHMF2YOHYX4NU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TAS6SIMB55QQOUHMF2YOHYX4NU","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":"8078d90938a0a8960a09bf2f07a8b83d67778af9e56878dab16330faeae44d5d","cross_cats_sorted":["cs.NI","cs.PF"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2018-10-22T14:08:16Z","title_canon_sha256":"bda6fe9d8d2a80a7d1eca57fc3d1bf3755e02807b566f0843180e76a3fba3b93"},"schema_version":"1.0","source":{"id":"1810.09300","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.09300","created_at":"2026-05-17T23:43:17Z"},{"alias_kind":"arxiv_version","alias_value":"1810.09300v4","created_at":"2026-05-17T23:43:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09300","created_at":"2026-05-17T23:43:17Z"},{"alias_kind":"pith_short_12","alias_value":"TAS6SIMB55QQ","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"TAS6SIMB55QQOUHM","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"TAS6SIMB","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:a165221871b3d5d1630224cf87bba663d40dff0ad0d70aa9f73cdde6b7e481b4","target":"graph","created_at":"2026-05-17T23:43:17Z","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":"Distributed consensus is a key enabler for many distributed systems including distributed databases and blockchains. Canopus is a scalable distributed consensus protocol that ensures that live nodes in a system agree on an ordered sequence of operations (called transactions). Unlike most prior consensus protocols, Canopus does not rely on a single leader. Instead, it uses a virtual tree overlay for message dissemination to limit network traffic across oversubscribed links. It leverages hardware redundancies, both within a rack and inside the network fabric, to reduce both protocol complexity a","authors_text":"B. Wong, S. Gorbunov, S. Keshav, S. Rizvi, W. Golab","cross_cats":["cs.NI","cs.PF"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2018-10-22T14:08:16Z","title":"RCanopus: Making Canopus Resilient to Failures and Byzantine Faults"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09300","kind":"arxiv","version":4},"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:dc0bc45c749ce84e929d41b71c543f120bf36c5cfec9fffe6a4c8551ca24ee95","target":"record","created_at":"2026-05-17T23:43:17Z","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":"8078d90938a0a8960a09bf2f07a8b83d67778af9e56878dab16330faeae44d5d","cross_cats_sorted":["cs.NI","cs.PF"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2018-10-22T14:08:16Z","title_canon_sha256":"bda6fe9d8d2a80a7d1eca57fc3d1bf3755e02807b566f0843180e76a3fba3b93"},"schema_version":"1.0","source":{"id":"1810.09300","kind":"arxiv","version":4}},"canonical_sha256":"9825e92181ef610750ec2eb0e3e2fc6d1cee05dad025a2e1ecdd5ee26bbb5889","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9825e92181ef610750ec2eb0e3e2fc6d1cee05dad025a2e1ecdd5ee26bbb5889","first_computed_at":"2026-05-17T23:43:17.335493Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:17.335493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LLF+v84t+KvbOPWqHsHzgbDjd1Ua5FS/SAJKuI4kapS4XP827yjn41VTQAnyuZ5fHc+faX2eaVg9Ub3pBeKcDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:17.336339Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.09300","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc0bc45c749ce84e929d41b71c543f120bf36c5cfec9fffe6a4c8551ca24ee95","sha256:a165221871b3d5d1630224cf87bba663d40dff0ad0d70aa9f73cdde6b7e481b4"],"state_sha256":"0bf26da4f2c65548a263e861a5e1f82b405ddb68a54b38472edb4578c5bcc88c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tzwsxomfaqeUnW7wpT2jauQAgKNlWIBMEutjT3ZIguWE2O1P6EdWm+9r4+EqQvLWTJRa8jg+C1cFpB3vbhI3Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T21:22:49.785025Z","bundle_sha256":"24d69be11e6bb2bccd7f73597ec130f58a22efb2bc7310cac3c8145757c0ed22"}}