Pith Number

pith:UCLPA2SI

pith:2026:UCLPA2SIX7SXMQVQLH7AYFMRKB

not attested not anchored not stored refs pending

ERGeoBench:A Comprehensive Benchmark for Embodied Reasoning and Geo-localization in Multimodal Large Language Models

Guoxin Zhang, Haoran Luo, Kaiwen Xue, Kaoyan Lu, Tao Wei, Yifan Zhu, Yu Feng, Zhonghong Ou

arxiv:2605.31251 v1 · 2026-05-29 · cs.CV · 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{UCLPA2SIX7SXMQVQLH7AYFMRKB}

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	2026-06-01T01:04:06.710701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a096f06a48bfe57642b059fe0c15915054f3bce953be49316cbcea0d030bef60

Aliases

arxiv: 2605.31251 · arxiv_version: 2605.31251v1 · doi: 10.48550/arxiv.2605.31251 · pith_short_12: UCLPA2SIX7SX · pith_short_16: UCLPA2SIX7SXMQVQ · pith_short_8: UCLPA2SI

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/UCLPA2SIX7SXMQVQLH7AYFMRKB \
  | 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: a096f06a48bfe57642b059fe0c15915054f3bce953be49316cbcea0d030bef60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b305654b4ce1e85dc99ed4f3d217791b93f9fa6c8c2b58d268352a5ad6b5134",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-29T12:49:17Z",
    "title_canon_sha256": "0920eccd17779558b586f0543ca88beb3d0a97566887af0810c5ab0360c03c61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.31251",
    "kind": "arxiv",
    "version": 1
  }
}