Pith Number

pith:KCQVNMJL

pith:2026:KCQVNMJLKR4KFVZ7NGLKGGUSLF

not attested not anchored not stored refs pending

Can AI Reason Like an Urban Planner? Benchmarking Large Language Models Against Professional Judgment

He Zhu, Junyou Su, Minxin Chen, Wenjia Zhang, Wen Wang, Yijie Deng

arxiv:2606.11678 v1 · 2026-06-10 · 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{KCQVNMJLKR4KFVZ7NGLKGGUSLF}

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	2026-06-11T01:10:02.425926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50a156b12b5478a2d73f6996a31a92596cce9b91d12aeaf30100fc8ac8ced235

Aliases

arxiv: 2606.11678 · arxiv_version: 2606.11678v1 · doi: 10.48550/arxiv.2606.11678 · pith_short_12: KCQVNMJLKR4K · pith_short_16: KCQVNMJLKR4KFVZ7 · pith_short_8: KCQVNMJL

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/KCQVNMJLKR4KFVZ7NGLKGGUSLF \
  | 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: 50a156b12b5478a2d73f6996a31a92596cce9b91d12aeaf30100fc8ac8ced235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88af0416c4726ad1d9122bcc9f88ff0a4413946fe3db503658ece1b0392f0e53",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-10T05:42:36Z",
    "title_canon_sha256": "993a6538f9c498fc3798561814748f45dedb7098f22a792c7b964ccbc34393ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11678",
    "kind": "arxiv",
    "version": 1
  }
}