Pith Number

pith:5TXPIUIP

pith:2025:5TXPIUIPS7JPFLUMIJVH5U7XAU

not attested not anchored not stored refs pending

CompressKV: Semantic Retrieval Heads Know What Tokens are Not Important Before Generation

Bing Li, Grace Li Zhang, Jingcun Wang, Olga Kondrateva, Xiaolin Lin, Yiyu Shi

arxiv:2508.02401 v1 · 2025-08-04 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5TXPIUIPS7JPFLUMIJVH5U7XAU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

4 papers in Pith

Dustin: Draft-Augmented Sparse Verification for Efficient Long-Context Generation with Speculative Decoding

RedKnot: Efficient Long-Context LLM Serving with Head-Aware KV Reuse and SegPagedAttention

Logit-Contribution Scoring Identifies Non-Literal Retrieval Heads

RedKnot: Efficient Long-Context LLM Serving with Head-Aware KV Reuse and SegPagedAttention

Receipt and verification

First computed	2026-07-05T11:48:13.787475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eceef4510f97d2f2ae8c426a7ed3f70537ac8abda41c5e401f3d5747f79c7788

Aliases

arxiv: 2508.02401 · arxiv_version: 2508.02401v1 · doi: 10.48550/arxiv.2508.02401 · pith_short_12: 5TXPIUIPS7JP · pith_short_16: 5TXPIUIPS7JPFLUM · pith_short_8: 5TXPIUIP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5TXPIUIPS7JPFLUMIJVH5U7XAU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: eceef4510f97d2f2ae8c426a7ed3f70537ac8abda41c5e401f3d5747f79c7788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df0a68b5b7327d643f36814c5391a7bf336ea7f12736e190632fe3033995ac38",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-04T13:26:16Z",
    "title_canon_sha256": "ae8791caaf8f95f5d3d4cf605dbe759d134e74a72594aa0a75203133d789dc35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.02401",
    "kind": "arxiv",
    "version": 1
  }
}