Pith Number

pith:WTUNLZUE

pith:2026:WTUNLZUEZECKDXII5XBFWJ2O7G

not attested not anchored not stored refs pending

CoSA: Accelerating Long-Context Inference via Proxy-Kernel Co-Designed Sparse Attention

Guanghua Yu, Hanyong Shao, Hong Liu, Jianchen Zhu, Jun Zhang, Lin Niu, Siran Liu, Wei Liu, Yufei Xue

arxiv:2607.25291 v1 · 2026-07-28 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTUNLZUEZECKDXII5XBFWJ2O7G}

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.

Receipt and verification

First computed	2026-07-29T01:25:07.146905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4e8d5e684c904a1dd08edc25b274ef980f5b2968e1a89105085ee0ddc514fbb

Aliases

arxiv: 2607.25291 · arxiv_version: 2607.25291v1 · doi: 10.48550/arxiv.2607.25291 · pith_short_12: WTUNLZUEZECK · pith_short_16: WTUNLZUEZECKDXII · pith_short_8: WTUNLZUE

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/WTUNLZUEZECKDXII5XBFWJ2O7G \
  | 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: b4e8d5e684c904a1dd08edc25b274ef980f5b2968e1a89105085ee0ddc514fbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46d38852b2e8a40c63dbcb2d237f967d51cb90907604278ef59f85548e60aadc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-28T04:57:19Z",
    "title_canon_sha256": "f063937cac59a46ab2119439f836260357321c0a2484f3baf61ef830fc389b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25291",
    "kind": "arxiv",
    "version": 1
  }
}