Pith Number

pith:U52HJF5X

pith:2026:U52HJF5X3S2Y5YYA7AMDNQWBT6

not attested not anchored not stored refs pending

Can Agents Generalize to the Open World? Unveiling the Fragility of Static Training in Tool Use

Lan-Zhe Guo, Rui Zhu, Song-Lin Lv, Weiming Wu, Zi-Jian Cheng

arxiv:2607.01084 v1 · 2026-07-01 · 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{U52HJF5X3S2Y5YYA7AMDNQWBT6}

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	2026-07-02T01:18:28.281845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7747497b7dcb58ee300f81836c2c19fa02c0816cd85e5ee56242316ae7e274c

Aliases

arxiv: 2607.01084 · arxiv_version: 2607.01084v1 · doi: 10.48550/arxiv.2607.01084 · pith_short_12: U52HJF5X3S2Y · pith_short_16: U52HJF5X3S2Y5YYA · pith_short_8: U52HJF5X

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/U52HJF5X3S2Y5YYA7AMDNQWBT6 \
  | 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: a7747497b7dcb58ee300f81836c2c19fa02c0816cd85e5ee56242316ae7e274c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36d5c38c956ca61f54ffdd3cec4cec8a5cbd69a7d48c23ed7b2ab24be40102f4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-01T15:40:25Z",
    "title_canon_sha256": "a12f9f38147ddd4e9626c7482b72a90224c2175f1d0947824b7be516ce7cd11a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01084",
    "kind": "arxiv",
    "version": 1
  }
}