{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:D53ZU5DHQEOV2I2T54OCAKT5TN","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":"76f0210b97bf526a15eba3da21bc1fadf8e83764b95ffd54302da0a35b05fa4a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2025-02-13T04:59:21Z","title_canon_sha256":"b5bee8889867bcb52fd579904e2971590f1c56c969fa5811b27760ce64b15143"},"schema_version":"1.0","source":{"id":"2502.08964","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.08964","created_at":"2026-07-05T11:31:43Z"},{"alias_kind":"arxiv_version","alias_value":"2502.08964v2","created_at":"2026-07-05T11:31:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.08964","created_at":"2026-07-05T11:31:43Z"},{"alias_kind":"pith_short_12","alias_value":"D53ZU5DHQEOV","created_at":"2026-07-05T11:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"D53ZU5DHQEOV2I2T","created_at":"2026-07-05T11:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"D53ZU5DH","created_at":"2026-07-05T11:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:6941ab677ede1fede8a41af3510c2dfac285bc39cfc5a48d53ad9ed8863cd217","target":"graph","created_at":"2026-07-05T11:31:43Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2502.08964/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper introduces a robust two-timescale compressed primal-dual (TiCoPD) algorithm tailored for decentralized optimization under bandwidth-limited and unreliable channels. By integrating the majorization-minimization approach with the primal-dual optimization framework, the TiCoPD algorithm strategically compresses the difference term shared among agents to enhance communication efficiency and robustness against noisy channels without compromising convergence stability. The method incorporates a mirror sequence for agent consensus on nonlinearly compressed terms updated on a fast timescale","authors_text":"Chung-Yiu Yau, Haoming Liu, Hoi-To Wai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2025-02-13T04:59:21Z","title":"Decentralized Stochastic Optimization over Unreliable Networks via Two-timescales Updates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.08964","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":"sha256:469485ee4d02a593def5fb2a7bd49f7cb8b4fbb29fd2c973e0122f56cde5dd1d","target":"record","created_at":"2026-07-05T11:31:43Z","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":"76f0210b97bf526a15eba3da21bc1fadf8e83764b95ffd54302da0a35b05fa4a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2025-02-13T04:59:21Z","title_canon_sha256":"b5bee8889867bcb52fd579904e2971590f1c56c969fa5811b27760ce64b15143"},"schema_version":"1.0","source":{"id":"2502.08964","kind":"arxiv","version":2}},"canonical_sha256":"1f779a7467811d5d2353ef1c202a7d9b71a521469fad62724deb7134d61791ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f779a7467811d5d2353ef1c202a7d9b71a521469fad62724deb7134d61791ce","first_computed_at":"2026-07-05T11:31:43.304462Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:31:43.304462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jCVQTwFUjWcxsphVOWCpDPRJnDqnEkRrvokJAlznEvb+K2Q5Borowy12JBzjQ3J8sKvBk284cWXQUkKZg94+Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:31:43.304903Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.08964","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:469485ee4d02a593def5fb2a7bd49f7cb8b4fbb29fd2c973e0122f56cde5dd1d","sha256:6941ab677ede1fede8a41af3510c2dfac285bc39cfc5a48d53ad9ed8863cd217"],"state_sha256":"bf2cef4302edbdfdcef9cfb0384432be6c484d1a6175600298c57c1d99b03f8d"}