Pith Number

pith:PEQSFWR4

pith:2026:PEQSFWR4D2PDWVEO24ZOTI6QON

not attested not anchored not stored refs pending

PRO-CUA: Process-Reward Optimization for Computer Use Agents

Han Zhao, Hao Bai, Rui Yang, Tong Zhang, Yifei He

arxiv:2605.29119 v1 · 2026-05-27 · 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{PEQSFWR4D2PDWVEO24ZOTI6QON}

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	2026-05-29T01:05:19.240854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

792122da3c1e9e3b548ed732e9a3d0734b1dc4c397bd352fc46786d5954549a2

Aliases

arxiv: 2605.29119 · arxiv_version: 2605.29119v1 · doi: 10.48550/arxiv.2605.29119 · pith_short_12: PEQSFWR4D2PD · pith_short_16: PEQSFWR4D2PDWVEO · pith_short_8: PEQSFWR4

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/PEQSFWR4D2PDWVEO24ZOTI6QON \
  | 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: 792122da3c1e9e3b548ed732e9a3d0734b1dc4c397bd352fc46786d5954549a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a035d74e69025c736500f3a1814d0084b09283924fd94897f099fe6a1ef1205a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-27T21:28:26Z",
    "title_canon_sha256": "cb2a065b21808b4aa6faccb944a1388d8346eec97c98b7389a464bf7a85ec733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29119",
    "kind": "arxiv",
    "version": 1
  }
}