{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:WAJXEKIHU43JSOCA7LQLLOZ363","short_pith_number":"pith:WAJXEKIH","schema_version":"1.0","canonical_sha256":"b013722907a736993840fae0b5bb3bf6efbf8eb0188a3946d7398e6bade3385a","source":{"kind":"arxiv","id":"2511.15517","version":2},"attestation_state":"computed","paper":{"title":"Beluga: Block Synchronization for BFT Consensus Protocols","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC"],"primary_cat":"cs.CR","authors_text":"Alberto Sonnino, Arun Koshy, Ilya Sergey, Jianting Zhang, Lefteris Kokoris-Kogias, Mingwei Tian, Tasos Kichidis","submitted_at":"2025-11-19T15:12:16Z","abstract_excerpt":"Modern high-throughput BFT consensus protocols use streamlined push-pull mechanisms to disseminate blocks and keep happy-path performance optimal. Yet state-of-the-art designs lack a principled and efficient way to exchange blocks, which leaves them open to targeted attacks and performance collapse under network asynchrony. This work introduces the concept of a block synchronizer, a simple abstraction that drives incremental block retrieval and enforces resource-aware exchange. Its interface and role fit cleanly inside a modern BFT consensus stack. We also uncover a new attack, where an advers"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2511.15517","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2025-11-19T15:12:16Z","cross_cats_sorted":["cs.DC"],"title_canon_sha256":"0d6c81c1679d069bc4570f00b68b57c5fc42ef131ec3b61bbe096720155bfcfc","abstract_canon_sha256":"c6887149529500ce5f337081416406116c642e29dc31751a8d46b933436d71db"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T02:17:11.708986Z","signature_b64":"QnYP9MKerGAXFmUDDrGA+FDM3Ms7NTPa/SBu0Z/kuurr9CeXvQdc7uq970Xa8okDp1UV0A+a79JRExZk0WN0Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b013722907a736993840fae0b5bb3bf6efbf8eb0188a3946d7398e6bade3385a","last_reissued_at":"2026-06-30T02:17:11.708378Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T02:17:11.708378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Beluga: Block Synchronization for BFT Consensus Protocols","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC"],"primary_cat":"cs.CR","authors_text":"Alberto Sonnino, Arun Koshy, Ilya Sergey, Jianting Zhang, Lefteris Kokoris-Kogias, Mingwei Tian, Tasos Kichidis","submitted_at":"2025-11-19T15:12:16Z","abstract_excerpt":"Modern high-throughput BFT consensus protocols use streamlined push-pull mechanisms to disseminate blocks and keep happy-path performance optimal. Yet state-of-the-art designs lack a principled and efficient way to exchange blocks, which leaves them open to targeted attacks and performance collapse under network asynchrony. This work introduces the concept of a block synchronizer, a simple abstraction that drives incremental block retrieval and enforces resource-aware exchange. Its interface and role fit cleanly inside a modern BFT consensus stack. We also uncover a new attack, where an advers"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.15517","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2511.15517/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2511.15517","created_at":"2026-06-30T02:17:11.708461+00:00"},{"alias_kind":"arxiv_version","alias_value":"2511.15517v2","created_at":"2026-06-30T02:17:11.708461+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.15517","created_at":"2026-06-30T02:17:11.708461+00:00"},{"alias_kind":"pith_short_12","alias_value":"WAJXEKIHU43J","created_at":"2026-06-30T02:17:11.708461+00:00"},{"alias_kind":"pith_short_16","alias_value":"WAJXEKIHU43JSOCA","created_at":"2026-06-30T02:17:11.708461+00:00"},{"alias_kind":"pith_short_8","alias_value":"WAJXEKIH","created_at":"2026-06-30T02:17:11.708461+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WAJXEKIHU43JSOCA7LQLLOZ363","json":"https://pith.science/pith/WAJXEKIHU43JSOCA7LQLLOZ363.json","graph_json":"https://pith.science/api/pith-number/WAJXEKIHU43JSOCA7LQLLOZ363/graph.json","events_json":"https://pith.science/api/pith-number/WAJXEKIHU43JSOCA7LQLLOZ363/events.json","paper":"https://pith.science/paper/WAJXEKIH"},"agent_actions":{"view_html":"https://pith.science/pith/WAJXEKIHU43JSOCA7LQLLOZ363","download_json":"https://pith.science/pith/WAJXEKIHU43JSOCA7LQLLOZ363.json","view_paper":"https://pith.science/paper/WAJXEKIH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2511.15517&json=true","fetch_graph":"https://pith.science/api/pith-number/WAJXEKIHU43JSOCA7LQLLOZ363/graph.json","fetch_events":"https://pith.science/api/pith-number/WAJXEKIHU43JSOCA7LQLLOZ363/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WAJXEKIHU43JSOCA7LQLLOZ363/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WAJXEKIHU43JSOCA7LQLLOZ363/action/storage_attestation","attest_author":"https://pith.science/pith/WAJXEKIHU43JSOCA7LQLLOZ363/action/author_attestation","sign_citation":"https://pith.science/pith/WAJXEKIHU43JSOCA7LQLLOZ363/action/citation_signature","submit_replication":"https://pith.science/pith/WAJXEKIHU43JSOCA7LQLLOZ363/action/replication_record"}},"created_at":"2026-06-30T02:17:11.708461+00:00","updated_at":"2026-06-30T02:17:11.708461+00:00"}