Pith Number

pith:NN4B3X5Y

pith:2026:NN4B3X5YXOZE3X366HHPMN2ZOW

not attested not anchored not stored refs pending

DirectorBench: Diagnosing Long-Form Video Generation with Personalized Multi-Agent Evaluation

Chen Ma, Jiamin Chen, Jiawen Zhang, Qianben Chen, Wangchunshu Zhou, Xiaokun Zhang, Yidi Wu, Yuchen Li

arxiv:2605.30090 v1 · 2026-05-28 · cs.CL · 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{NN4B3X5YXOZE3X366HHPMN2ZOW}

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	2026-05-29T02:06:09.671515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b781ddfb8bbb24ddf7ef1cef6375975b854329df2569abf8e38bc1b49bd25b7

Aliases

arxiv: 2605.30090 · arxiv_version: 2605.30090v1 · doi: 10.48550/arxiv.2605.30090 · pith_short_12: NN4B3X5YXOZE · pith_short_16: NN4B3X5YXOZE3X36 · pith_short_8: NN4B3X5Y

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/NN4B3X5YXOZE3X366HHPMN2ZOW \
  | 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: 6b781ddfb8bbb24ddf7ef1cef6375975b854329df2569abf8e38bc1b49bd25b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c91c25be9252bec7a48a95a51f214b8cfcffaa6200c3cc859435222371abeecb",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-28T15:35:34Z",
    "title_canon_sha256": "d96a829b0f1ed0a0629da7123804f8e1ed882d708d608970723c1942496fbe0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30090",
    "kind": "arxiv",
    "version": 1
  }
}