{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:P4SSW3WHYC22MYY7IG7DLH3TAH","short_pith_number":"pith:P4SSW3WH","canonical_record":{"source":{"id":"1209.4620","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2012-09-20T19:15:50Z","cross_cats_sorted":[],"title_canon_sha256":"cc0754ea088a30b745e89136ea6dcd70ce88826c09c19b9090fac8bdead60789","abstract_canon_sha256":"4d4aa6844f66bae6b2b8ffae6094da80d568de822df38b6ded0aa424cd43c8e3"},"schema_version":"1.0"},"canonical_sha256":"7f252b6ec7c0b5a6631f41be359f7301dac41b51c95eb85a0d9f9d7e70ee8931","source":{"kind":"arxiv","id":"1209.4620","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.4620","created_at":"2026-05-18T03:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"1209.4620v2","created_at":"2026-05-18T03:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.4620","created_at":"2026-05-18T03:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"P4SSW3WHYC22","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"P4SSW3WHYC22MYY7","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"P4SSW3WH","created_at":"2026-05-18T12:27:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:P4SSW3WHYC22MYY7IG7DLH3TAH","target":"record","payload":{"canonical_record":{"source":{"id":"1209.4620","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2012-09-20T19:15:50Z","cross_cats_sorted":[],"title_canon_sha256":"cc0754ea088a30b745e89136ea6dcd70ce88826c09c19b9090fac8bdead60789","abstract_canon_sha256":"4d4aa6844f66bae6b2b8ffae6094da80d568de822df38b6ded0aa424cd43c8e3"},"schema_version":"1.0"},"canonical_sha256":"7f252b6ec7c0b5a6631f41be359f7301dac41b51c95eb85a0d9f9d7e70ee8931","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:09:20.118388Z","signature_b64":"uHsS8J2DxhTC6oBhSTl9OJOgLnofgRF3jROzD1FIPA7eEC/LDStRmJwDcccgOlsvz+GtGJpXNDATVug4nF1IAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f252b6ec7c0b5a6631f41be359f7301dac41b51c95eb85a0d9f9d7e70ee8931","last_reissued_at":"2026-05-18T03:09:20.117592Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:09:20.117592Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.4620","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZHgWn8PmFTjJU3fZtQjtHnAgSnNev2w8tZ9gK9X2U7nwzfRMPEDgz4qjrTYowPGRGb31uu96hQbI0d/PcULNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:06:38.987124Z"},"content_sha256":"da5a248ebed65331a85b06232b28c8e78591a74aabb04cfc320938d7bb8a2853","schema_version":"1.0","event_id":"sha256:da5a248ebed65331a85b06232b28c8e78591a74aabb04cfc320938d7bb8a2853"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:P4SSW3WHYC22MYY7IG7DLH3TAH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Broadcast Using Certified Propagation Algorithm in Presence of Byzantine Faults","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Lewis Tseng, Nitin Vaidya, Vartika Bhandari","submitted_at":"2012-09-20T19:15:50Z","abstract_excerpt":"We explore the correctness of the Certified Propagation Algorithm (CPA) [6, 1, 8, 5] in solving broadcast with locally bounded Byzantine faults. CPA allows the nodes to use only local information regarding the network topology. We provide a tight necessary and sufficient condition on the network topology for the correctness of CPA. To the best of our knowledge, this work is the first to solve the open problem in [8]. We also present some simple extensions of this result"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.4620","kind":"arxiv","version":2},"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":"2026-05-18T03:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gct81ANeIjXLo7KCyargGnCPSm1koXKt9/tReJghs4KvrrIvcBo3Zwk0b6+UUmiSgd0rVogq5pKTn7f9B98yBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:06:38.987486Z"},"content_sha256":"a86decabf64f4040fb39a6474132ed86b4aff5b091b42c4f085a64921069f3cf","schema_version":"1.0","event_id":"sha256:a86decabf64f4040fb39a6474132ed86b4aff5b091b42c4f085a64921069f3cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P4SSW3WHYC22MYY7IG7DLH3TAH/bundle.json","state_url":"https://pith.science/pith/P4SSW3WHYC22MYY7IG7DLH3TAH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P4SSW3WHYC22MYY7IG7DLH3TAH/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":"2026-06-02T23:06:38Z","links":{"resolver":"https://pith.science/pith/P4SSW3WHYC22MYY7IG7DLH3TAH","bundle":"https://pith.science/pith/P4SSW3WHYC22MYY7IG7DLH3TAH/bundle.json","state":"https://pith.science/pith/P4SSW3WHYC22MYY7IG7DLH3TAH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P4SSW3WHYC22MYY7IG7DLH3TAH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:P4SSW3WHYC22MYY7IG7DLH3TAH","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":"4d4aa6844f66bae6b2b8ffae6094da80d568de822df38b6ded0aa424cd43c8e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2012-09-20T19:15:50Z","title_canon_sha256":"cc0754ea088a30b745e89136ea6dcd70ce88826c09c19b9090fac8bdead60789"},"schema_version":"1.0","source":{"id":"1209.4620","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.4620","created_at":"2026-05-18T03:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"1209.4620v2","created_at":"2026-05-18T03:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.4620","created_at":"2026-05-18T03:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"P4SSW3WHYC22","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"P4SSW3WHYC22MYY7","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"P4SSW3WH","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:a86decabf64f4040fb39a6474132ed86b4aff5b091b42c4f085a64921069f3cf","target":"graph","created_at":"2026-05-18T03:09:20Z","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":"We explore the correctness of the Certified Propagation Algorithm (CPA) [6, 1, 8, 5] in solving broadcast with locally bounded Byzantine faults. CPA allows the nodes to use only local information regarding the network topology. We provide a tight necessary and sufficient condition on the network topology for the correctness of CPA. To the best of our knowledge, this work is the first to solve the open problem in [8]. We also present some simple extensions of this result","authors_text":"Lewis Tseng, Nitin Vaidya, Vartika Bhandari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2012-09-20T19:15:50Z","title":"Broadcast Using Certified Propagation Algorithm in Presence of Byzantine Faults"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.4620","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:da5a248ebed65331a85b06232b28c8e78591a74aabb04cfc320938d7bb8a2853","target":"record","created_at":"2026-05-18T03:09:20Z","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":"4d4aa6844f66bae6b2b8ffae6094da80d568de822df38b6ded0aa424cd43c8e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2012-09-20T19:15:50Z","title_canon_sha256":"cc0754ea088a30b745e89136ea6dcd70ce88826c09c19b9090fac8bdead60789"},"schema_version":"1.0","source":{"id":"1209.4620","kind":"arxiv","version":2}},"canonical_sha256":"7f252b6ec7c0b5a6631f41be359f7301dac41b51c95eb85a0d9f9d7e70ee8931","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f252b6ec7c0b5a6631f41be359f7301dac41b51c95eb85a0d9f9d7e70ee8931","first_computed_at":"2026-05-18T03:09:20.117592Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:09:20.117592Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uHsS8J2DxhTC6oBhSTl9OJOgLnofgRF3jROzD1FIPA7eEC/LDStRmJwDcccgOlsvz+GtGJpXNDATVug4nF1IAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:09:20.118388Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.4620","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da5a248ebed65331a85b06232b28c8e78591a74aabb04cfc320938d7bb8a2853","sha256:a86decabf64f4040fb39a6474132ed86b4aff5b091b42c4f085a64921069f3cf"],"state_sha256":"59b0dc4c33f4f89daa71f0bbd5d59c0fbd4f7a628a4d5606df738ea056648123"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+LSuEgk2yqj12rRQAR3N6j2E5It+w9im6bFIC9ncjs1PZdvpyP1pbHaK+SfQSev4Su4J1cPTFd+VO3bPXMMtAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T23:06:38.989460Z","bundle_sha256":"b0c88c0e1d717bdb6113e25d1bedb1f0be369c928bbf12d75c2dd035cc1cf19b"}}