{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:T2Y5ZY3MWMJ7RB6RCC67WR7UZ3","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":"b7626df5b946b69cb7e809a673fbc2d070827ac726beea499e96c09619214be7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2026-08-12T05:25:38Z","title_canon_sha256":"99c012ab830671f8d5ce37e47756e0281e81e79142d46357c271f7beed06ad8c"},"schema_version":"1.0","source":{"id":"2608.11668","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.11668","created_at":"2026-08-13T01:27:16Z"},{"alias_kind":"arxiv_version","alias_value":"2608.11668v1","created_at":"2026-08-13T01:27:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.11668","created_at":"2026-08-13T01:27:16Z"},{"alias_kind":"pith_short_12","alias_value":"T2Y5ZY3MWMJ7","created_at":"2026-08-13T01:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"T2Y5ZY3MWMJ7RB6R","created_at":"2026-08-13T01:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"T2Y5ZY3M","created_at":"2026-08-13T01:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:3cbf969d05a689fdd2924ad2e7ad5982630219ed9643c4f1307d5338886af4fa","target":"graph","created_at":"2026-08-13T01:27:16Z","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/2608.11668/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High-Bandwidth Flash (HBF) stacks NAND behind a wide, package-local interface, giving flash-scale capacity with far better read latency and bandwidth than an SSD. This makes it tempting to keep an SSD-style Mooncake KV-offloading stack and swap only the backing tier for HBF. We test that substitution with an extended TokenSim, four complete two-hour Qwen-Bailian production traces, five dense and mixture-of-experts models, and H100/B200 profiles. Serving gets worse, not better, and a cost-benefit model explains why. A faster far tier helps only when read I/O is the serving bottleneck, reads out","authors_text":"Guangyu Sun, Xin Huang, Yibo Zhao, Youwei Zhuo, Zhuohang Bian, Zhuoran Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2026-08-12T05:25:38Z","title":"A Full-Stack Characterization of High-Bandwidth Flash for KV-Centric LLM Serving"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.11668","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:bb00415de4e65a918489ca2377a3e4f6d7cf8d5cc918e048676bc894adb9e1de","target":"record","created_at":"2026-08-13T01:27:16Z","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":"b7626df5b946b69cb7e809a673fbc2d070827ac726beea499e96c09619214be7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2026-08-12T05:25:38Z","title_canon_sha256":"99c012ab830671f8d5ce37e47756e0281e81e79142d46357c271f7beed06ad8c"},"schema_version":"1.0","source":{"id":"2608.11668","kind":"arxiv","version":1}},"canonical_sha256":"9eb1dce36cb313f887d110bdfb47f4cec077bcc93a6c178a823bed1b0ce6dc31","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9eb1dce36cb313f887d110bdfb47f4cec077bcc93a6c178a823bed1b0ce6dc31","first_computed_at":"2026-08-13T01:27:16.396155Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-13T01:27:16.396155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V9j48vkBl5n2g7C8PmAn3yfAlct5rfRM5qDZV91AXEyhgVMWRdSKst5k+cvp6NBdMhrqkYEpqfzXP4LfDiz3BQ==","signature_status":"signed_v1","signed_at":"2026-08-13T01:27:16.398558Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.11668","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb00415de4e65a918489ca2377a3e4f6d7cf8d5cc918e048676bc894adb9e1de","sha256:3cbf969d05a689fdd2924ad2e7ad5982630219ed9643c4f1307d5338886af4fa"],"state_sha256":"7d3fba3e4582c3b6cf820148ab89a0ef1b9c5ddfd63a880690ffd2fbbb5f9eb7"}