Pith Number

pith:62CECB5B

pith:2026:62CECB5BAMWZR2UUNBVAJS2I3L

not attested not anchored not stored refs pending

Hierarchical Sparse Attention Done Right: Toward Infinite Context Modeling

Haitao Mi, Hao Gu, Huayang Li, Kewei Tu, Lei Zhu, Leo Liang, Minshen Zhang, Sirui Han, Tian Liang, Xiang Hu, Xinyu Wei, Yan Wang, Yushi Bai

arxiv:2607.02980 v1 · 2026-07-03 · 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{62CECB5BAMWZR2UUNBVAJS2I3L}

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	2026-07-07T01:16:38.517225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6844107a1032d98ea94686a04cb48dad31a9ab9e6367947653c160a552da323

Aliases

arxiv: 2607.02980 · arxiv_version: 2607.02980v1 · doi: 10.48550/arxiv.2607.02980 · pith_short_12: 62CECB5BAMWZ · pith_short_16: 62CECB5BAMWZR2UU · pith_short_8: 62CECB5B

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/62CECB5BAMWZR2UUNBVAJS2I3L \
  | 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: f6844107a1032d98ea94686a04cb48dad31a9ab9e6367947653c160a552da323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30edabd028c0fdd24dfdb4df6086300063f6a9f0c8f3fa829ab9a5c88cae3a9e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-03T05:39:00Z",
    "title_canon_sha256": "f312ba380a8aced7b01fe301f3374dd3bcd0743ca23bb3d517e6e79e6e741a08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02980",
    "kind": "arxiv",
    "version": 1
  }
}