{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AX2YPO6SMPFGWPLQSWUA34FZNY","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":"79f9e0c7e9c4860dca5c4dabfb1d77275ba683fa2974010612df0d2177c52307","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2026-06-02T12:38:58Z","title_canon_sha256":"f0d5477cfa524f31ee6a2fe9fa90ae8cb4dd2d5bf8c08543ca999b7f45d22158"},"schema_version":"1.0","source":{"id":"2606.03570","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.03570","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"arxiv_version","alias_value":"2606.03570v1","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.03570","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"pith_short_12","alias_value":"AX2YPO6SMPFG","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"pith_short_16","alias_value":"AX2YPO6SMPFGWPLQ","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"pith_short_8","alias_value":"AX2YPO6S","created_at":"2026-06-03T01:06:01Z"}],"graph_snapshots":[{"event_id":"sha256:62e2eb1e2ca4108a973be3ccef70e5a81f4ca6ea766919caaf05961a8e1d7d7c","target":"graph","created_at":"2026-06-03T01:06:01Z","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/2606.03570/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Burrows-Wheeler-transform-based compressors rely on local context regularity, but structured text also contains dates, counters, identifiers, coordinates, and other digit runs whose values vary differently from their surrounding tokens. STC is a practical BWT-family compressor that separates this source of variation before the component BWT stage. It replaces digit runs in the main stream with an unambiguous placeholder and stores the removed digits in length- and context-conditioned side streams. The side streams use stable bucket ordering and compact digit packing, so the decoder can reconst","authors_text":"Anling Xiang, Jingyang Du, Yang Shen","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2026-06-02T12:38:58Z","title":"STC: Reversible Digit-Context Decomposition for BWT-Family Text Compression"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.03570","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":"sha256:469a573158dc58b1584b02f8a0d8395937b33d7d1741679a72a403f16500d257","target":"record","created_at":"2026-06-03T01:06:01Z","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":"79f9e0c7e9c4860dca5c4dabfb1d77275ba683fa2974010612df0d2177c52307","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2026-06-02T12:38:58Z","title_canon_sha256":"f0d5477cfa524f31ee6a2fe9fa90ae8cb4dd2d5bf8c08543ca999b7f45d22158"},"schema_version":"1.0","source":{"id":"2606.03570","kind":"arxiv","version":1}},"canonical_sha256":"05f587bbd263ca6b3d7095a80df0b96e251b6ab8d8ccd2877cccee9de43ab969","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05f587bbd263ca6b3d7095a80df0b96e251b6ab8d8ccd2877cccee9de43ab969","first_computed_at":"2026-06-03T01:06:01.151553Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-03T01:06:01.151553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NitHxgtaL1sKQIiL094S9qpuC3CW2lbMr8glrJg7EUOLkNNOyugA2OZyiQh7b57daObuZmV+11eD5TYEiBNMCQ==","signature_status":"signed_v1","signed_at":"2026-06-03T01:06:01.151963Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.03570","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:469a573158dc58b1584b02f8a0d8395937b33d7d1741679a72a403f16500d257","sha256:62e2eb1e2ca4108a973be3ccef70e5a81f4ca6ea766919caaf05961a8e1d7d7c"],"state_sha256":"cae1c6396362ad0e94bcd7bdea5bb0f00bd877206f84a3d1ac9933c3525b1565"}