Pith Number

pith:CCHIQR23

pith:2026:CCHIQR23MRJ3MHA3WFKHUTYVOE

not attested not anchored not stored refs pending

StainFlow: Entity-Stain Tracking and Evidence Linking for Process Rewards in GUI Agents

Dongshuo Huang, Haojie Hao, Hongyu Lin, Jiakai Wang, Lanqing Hong, Longkun Hao, Xianglong Liu, Yan Bai, Yihang Lou, Zhenyang Li, Zhichao Yang

arxiv:2606.07027 v1 · 2026-06-05 · 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{CCHIQR23MRJ3MHA3WFKHUTYVOE}

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	2026-06-08T01:04:42.084221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

108e88475b6453b61c1bb1547a4f15713bd791676888a310ba6233af1344cd71

Aliases

arxiv: 2606.07027 · arxiv_version: 2606.07027v1 · doi: 10.48550/arxiv.2606.07027 · pith_short_12: CCHIQR23MRJ3 · pith_short_16: CCHIQR23MRJ3MHA3 · pith_short_8: CCHIQR23

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/CCHIQR23MRJ3MHA3WFKHUTYVOE \
  | 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: 108e88475b6453b61c1bb1547a4f15713bd791676888a310ba6233af1344cd71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "539a1e4a30e2db31daff400636dcb7f886957c1bb2c40b742258e58ba57555a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-05T08:17:28Z",
    "title_canon_sha256": "e38746a6cde1340400a30627887da97de5e11612d51f30a0248e6870be25981c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07027",
    "kind": "arxiv",
    "version": 1
  }
}