Pith Number

pith:T6J5UMYV

pith:2025:T6J5UMYVS6I2YGRT4JH3SLL4HW

not attested not anchored not stored refs pending

UrbanPlanBench: A Comprehensive Urban Planning Benchmark for Evaluating Large Language Models

Depeng Jin, Guozhen Zhang, Jie Feng, Longyi Liu, Yong Li, Yuming Lin, Yu Zheng

arxiv:2504.21027 v1 · 2025-04-23 · 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{T6J5UMYVS6I2YGRT4JH3SLL4HW}

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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.

Cited by

2 papers in Pith

Earth Science Foundation Models: From Perception to Reasoning and Discovery

Receipt and verification

First computed	2026-07-05T10:55:55.324931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f93da33159791ac1a33e24fb92d7c3db381e20c039b11bbb454fd6c9fd9af87

Aliases

arxiv: 2504.21027 · arxiv_version: 2504.21027v1 · doi: 10.48550/arxiv.2504.21027 · pith_short_12: T6J5UMYVS6I2 · pith_short_16: T6J5UMYVS6I2YGRT · pith_short_8: T6J5UMYV

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/T6J5UMYVS6I2YGRT4JH3SLL4HW \
  | 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: 9f93da33159791ac1a33e24fb92d7c3db381e20c039b11bbb454fd6c9fd9af87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef21d16ceb91455a25e8c9ded25afcb0d5c255a8738a0b07995d22f07e343c6e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-23T13:53:59Z",
    "title_canon_sha256": "9595c9cdb7197684eedc6ca0db4d58ac82f8294a16bfee30c5a842018d06ca7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21027",
    "kind": "arxiv",
    "version": 1
  }
}