{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:QNTT5VICQ6E2UD7PQHPK2FGA5S","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":"8c414caa8e56adb23acc2f207d3fecfa4e283767276e090b1b9b4a310a701111","cross_cats_sorted":["cs.NI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2011-03-14T13:38:33Z","title_canon_sha256":"964dab205ae7fca87ac143437b35d9d78058338ce9494d46b81843d31cfcc65b"},"schema_version":"1.0","source":{"id":"1103.2662","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2662","created_at":"2026-05-18T02:22:19Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2662v2","created_at":"2026-05-18T02:22:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2662","created_at":"2026-05-18T02:22:19Z"},{"alias_kind":"pith_short_12","alias_value":"QNTT5VICQ6E2","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QNTT5VICQ6E2UD7P","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QNTT5VIC","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:cc1672c91814cc8bb38e92c3f81b82635c657fdae58b7a3f49576cc161ae9c05","target":"graph","created_at":"2026-05-18T02:22:19Z","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 storage infrastructures require the use of data redundancy to achieve high data reliability. Unfortunately, the use of redundancy introduces storage and communication overheads, which can either reduce the overall storage capacity of the system or increase its costs. To mitigate the storage and communication overhead, different redundancy schemes have been proposed. However, due to the great variety of underlaying storage infrastructures and the different application needs, optimizing these redundancy schemes for each storage infrastructure is cumbersome. The lack of rules to deter","authors_text":"Ernst Biersack, Lluis Pamies-Juarez","cross_cats":["cs.NI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2011-03-14T13:38:33Z","title":"Cost Analysis of Redundancy Schemes for Distributed Storage Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2662","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":"sha256:191fefeb515cbfb9e2ca6039dc039431fb443be3c74b85b9e4ad2d2d2dbc0cbf","target":"record","created_at":"2026-05-18T02:22:19Z","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":"8c414caa8e56adb23acc2f207d3fecfa4e283767276e090b1b9b4a310a701111","cross_cats_sorted":["cs.NI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2011-03-14T13:38:33Z","title_canon_sha256":"964dab205ae7fca87ac143437b35d9d78058338ce9494d46b81843d31cfcc65b"},"schema_version":"1.0","source":{"id":"1103.2662","kind":"arxiv","version":2}},"canonical_sha256":"83673ed5028789aa0fef81dead14c0ecb89fef979676396922c7c3babe018662","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83673ed5028789aa0fef81dead14c0ecb89fef979676396922c7c3babe018662","first_computed_at":"2026-05-18T02:22:19.439258Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:22:19.439258Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IcvuTnHSVTYjgJuuCs+a2Y8U1c9t5IKWV8TGA7RGg3RZNLN/9QQYOdZZYyk7hDu4fqY9JWhwLqtl6jjgVGPwAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:22:19.439981Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.2662","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:191fefeb515cbfb9e2ca6039dc039431fb443be3c74b85b9e4ad2d2d2dbc0cbf","sha256:cc1672c91814cc8bb38e92c3f81b82635c657fdae58b7a3f49576cc161ae9c05"],"state_sha256":"5404fd107633a8aa7e95dba156d5bb820914fbcb0ecdbc8f84b6c7b0a2e57be8"}