{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:B2N3VJAMAQEJCH2G2NPNRWDSQ7","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":"606d86c0f4aae442b69c89b45164b535230c9cd27f3699ade31c40dd6ff31e27","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-03-22T21:06:23Z","title_canon_sha256":"53ebed86b721722d193f298fb7f9e3efc1b39a8a3523ef136cb53299597fd4d4"},"schema_version":"1.0","source":{"id":"1503.06479","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.06479","created_at":"2026-05-18T02:20:38Z"},{"alias_kind":"arxiv_version","alias_value":"1503.06479v1","created_at":"2026-05-18T02:20:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.06479","created_at":"2026-05-18T02:20:38Z"},{"alias_kind":"pith_short_12","alias_value":"B2N3VJAMAQEJ","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"B2N3VJAMAQEJCH2G","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"B2N3VJAM","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:5cf195ec583c0ba41ac0f185979e1066866265898f4541b47e4da808f4b9a3b3","target":"graph","created_at":"2026-05-18T02:20:38Z","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 derive a simple lower bound for the multi-version coding problem formulated in [1]. We also propose simple algorithms that almost match the lower bound derived. Another lower bound is proven for an extended version of the multi-version coding problem introduced in [2].","authors_text":"Majid Khabbazian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-03-22T21:06:23Z","title":"Multi-Version Coding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.06479","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:a020e24251ad555d8e37b6f05cd012b5b94f44f88648feacc3f786bba44733d7","target":"record","created_at":"2026-05-18T02:20:38Z","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":"606d86c0f4aae442b69c89b45164b535230c9cd27f3699ade31c40dd6ff31e27","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-03-22T21:06:23Z","title_canon_sha256":"53ebed86b721722d193f298fb7f9e3efc1b39a8a3523ef136cb53299597fd4d4"},"schema_version":"1.0","source":{"id":"1503.06479","kind":"arxiv","version":1}},"canonical_sha256":"0e9bbaa40c0408911f46d35ed8d87287caf392cbe2291daafd144342a916fc85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e9bbaa40c0408911f46d35ed8d87287caf392cbe2291daafd144342a916fc85","first_computed_at":"2026-05-18T02:20:38.267914Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:20:38.267914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LkBSl8ruCgTAzHFiT3+B2FuqjJ9jEMygzkx30M6vE790qNci26+gBaPoEhxtOku7y7/PnhVRTGmXJZNUZYEICA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:20:38.268557Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.06479","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a020e24251ad555d8e37b6f05cd012b5b94f44f88648feacc3f786bba44733d7","sha256:5cf195ec583c0ba41ac0f185979e1066866265898f4541b47e4da808f4b9a3b3"],"state_sha256":"818c0702826aaddfe7c473096ab8214cf164593eafe430c79543adfe80ccd621"}