Pith Number

pith:3W4TP4TD

pith:2025:3W4TP4TDOK7R2KAVRJ6PBW7JV5

not attested not anchored not stored refs pending

Sparser Block-Sparse Attention via Token Permutation

Chenkun Tan, Dong Zhang, Fangxu Liu, Kai Song, Pengyu Wang, Shaojun Zhou, Shiguo Lian, Xinghao Wang, Xipeng Qiu, Zhaoxiang Liu

arxiv:2510.21270 v2 · 2025-10-24 · cs.CL · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3W4TP4TDOK7R2KAVRJ6PBW7JV5}

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	2026-05-25T02:01:08.847523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddb937f26372bf1d28158a7cf0dbe9af465b2aa99eb16f4e99523928076f5dd0

Aliases

arxiv: 2510.21270 · arxiv_version: 2510.21270v2 · doi: 10.48550/arxiv.2510.21270 · pith_short_12: 3W4TP4TDOK7R · pith_short_16: 3W4TP4TDOK7R2KAV · pith_short_8: 3W4TP4TD

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/3W4TP4TDOK7R2KAVRJ6PBW7JV5 \
  | 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: ddb937f26372bf1d28158a7cf0dbe9af465b2aa99eb16f4e99523928076f5dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f384821d7dfb4797dddd8226e955b5ffdd40de8cefdd69307c3351018a4b3a88",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-10-24T09:11:50Z",
    "title_canon_sha256": "c558737a8844134915601e51d1a568059e4aee5264aaf1425d8d0ce846bb02f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.21270",
    "kind": "arxiv",
    "version": 2
  }
}