Pith Number

pith:6F4BAM4Z

pith:2026:6F4BAM4ZD3ILSSGE7OACJ3RR2W

not attested not anchored not stored refs pending

The Verification Horizon: No Silver Bullet for Coding Agent Rewards

Binghai Wang, Chenlong Zhang, Dayiheng Liu, Jiajun Zhang, Jiawei Chen, Mouxiang Chen, Rongyao Fang, Siyuan Zhang, Xuwu Wang, Yuheng Jing, Zeyao Ma, Zeyu Cui

arxiv:2606.26300 v1 · 2026-06-24 · cs.AI · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6F4BAM4ZD3ILSSGE7OACJ3RR2W}

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	2026-06-26T00:15:35.968887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1781033991ed0b948c4fb8024ee31d58dd7d28dd9ffc566b316b18819c3d749

Aliases

arxiv: 2606.26300 · arxiv_version: 2606.26300v1 · doi: 10.48550/arxiv.2606.26300 · pith_short_12: 6F4BAM4ZD3IL · pith_short_16: 6F4BAM4ZD3ILSSGE · pith_short_8: 6F4BAM4Z

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/6F4BAM4ZD3ILSSGE7OACJ3RR2W \
  | 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: f1781033991ed0b948c4fb8024ee31d58dd7d28dd9ffc566b316b18819c3d749

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e11e67e3fe03a6ad27f44ca7010e14f37e55fd54f8aec295ae977e2308ae97",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-24T18:45:03Z",
    "title_canon_sha256": "36ba8790b779e6e74c27a221fea46f2087507637cc230094dc5850d0af7d0c26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26300",
    "kind": "arxiv",
    "version": 1
  }
}