{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GBVAOPJAVAOR6TPRNT5N5WWQTW","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":"d926425fd534fe52db861d29a9381a32e8553ec82d9c7182ceb18df4fc847e93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2013-05-03T11:29:39Z","title_canon_sha256":"50b1b35ca7bfbd09e6d5f7298646a4fb323a35d585701937c370d91e51134226"},"schema_version":"1.0","source":{"id":"1305.0674","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.0674","created_at":"2026-05-18T03:26:33Z"},{"alias_kind":"arxiv_version","alias_value":"1305.0674v1","created_at":"2026-05-18T03:26:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.0674","created_at":"2026-05-18T03:26:33Z"},{"alias_kind":"pith_short_12","alias_value":"GBVAOPJAVAOR","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GBVAOPJAVAOR6TPR","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GBVAOPJA","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:d2d992f9e31cec2207df910f463eb1a999671bdd1c6039c7838598690c1f824a","target":"graph","created_at":"2026-05-18T03:26:33Z","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 show how to compress string dictionaries using the Lempel-Ziv (LZ78) data compression algorithm. Our approach is validated experimentally on dictionaries of up to 1.5 GB of uncompressed text. We achieve compression ratios often outperforming the existing alternatives, especially on dictionaries containing many repeated substrings. Our query times remain competitive.","authors_text":"Johannes Fischer, Julian Arz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2013-05-03T11:29:39Z","title":"LZ-Compressed String Dictionaries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0674","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":"sha256:812e8008433f30fa1b0058c524d7d6a2abb8bce827b4cfbd55f6a906f14aa03e","target":"record","created_at":"2026-05-18T03:26:33Z","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":"d926425fd534fe52db861d29a9381a32e8553ec82d9c7182ceb18df4fc847e93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2013-05-03T11:29:39Z","title_canon_sha256":"50b1b35ca7bfbd09e6d5f7298646a4fb323a35d585701937c370d91e51134226"},"schema_version":"1.0","source":{"id":"1305.0674","kind":"arxiv","version":1}},"canonical_sha256":"306a073d20a81d1f4df16cfadedad09da1f2ddc7c3a80b941076f794d40fbeb6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"306a073d20a81d1f4df16cfadedad09da1f2ddc7c3a80b941076f794d40fbeb6","first_computed_at":"2026-05-18T03:26:33.080660Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:33.080660Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zLubYEOqfoTaBw6/HRkMugpuS5KT/C5Rr2bDkUKoYvxeW11CRGX4Zz1YYDcukP/Knh6zrFZO9geo9i+n6BUDDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:33.081196Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.0674","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:812e8008433f30fa1b0058c524d7d6a2abb8bce827b4cfbd55f6a906f14aa03e","sha256:d2d992f9e31cec2207df910f463eb1a999671bdd1c6039c7838598690c1f824a"],"state_sha256":"656a389fdd932d70d126b717e83b3b85bd8a22133c480f8e8718b81cad305650"}