Pith Number

pith:CDFFE3Z6

pith:2026:CDFFE3Z6JVMBP3LLWGDBP5I4F5

not attested not anchored not stored refs pending

Efficient Long-Context Modeling in Diffusion Language Models via Block Approximate Sparse Attention

Hanbin Zhao, Huanyu Wang, Huanzhang Dou, Jiaya Jia, Senqiao Yang, Sitong Wu, Wenhu Zhang, YaoYang Liu, Yiming Wu

arxiv:2605.19726 v1 · 2026-05-19 · 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{CDFFE3Z6JVMBP3LLWGDBP5I4F5}

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	2026-05-20T01:06:11.179991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10ca526f3e4d5817ed6bb18617f51c2f4e9b2fbfdebc0a53ce843f23fd66e38b

Aliases

arxiv: 2605.19726 · arxiv_version: 2605.19726v1 · doi: 10.48550/arxiv.2605.19726 · pith_short_12: CDFFE3Z6JVMB · pith_short_16: CDFFE3Z6JVMBP3LL · pith_short_8: CDFFE3Z6

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/CDFFE3Z6JVMBP3LLWGDBP5I4F5 \
  | 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: 10ca526f3e4d5817ed6bb18617f51c2f4e9b2fbfdebc0a53ce843f23fd66e38b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "450318249d43b12e988cb99feaa1a0a39053a525e1b2faeca360b810886e848a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-19T12:01:13Z",
    "title_canon_sha256": "31ec88e960fc47728242d3a064b772e288f0326833e7132fea40e31b8a39f2a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19726",
    "kind": "arxiv",
    "version": 1
  }
}