Pith Number

pith:F6LKGV45

pith:2026:F6LKGV45GWIS5Y4T5UEANDRPPT

not attested not anchored not stored refs pending

Dockerless: Environment-Free Program Verifier for Coding Agents

Chaofan Wang, Chao Hu, Hongting Zhou, Jianqiao Wangni, Kai Cai, Mengnan Qi, Shilin He, Shuzheng Gao, Wenhao Zeng, Xiaodong Gu, Yuhao Cui, Yuling Shi, Zhaojian Yu

arxiv:2606.28436 v1 · 2026-06-26 · cs.SE · 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{F6LKGV45GWIS5Y4T5UEANDRPPT}

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	2026-06-30T00:15:14.022117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f96a3579d35912ee393ed08068e2f7ce2d203883e5e6dd049f34af25b0d109a

Aliases

arxiv: 2606.28436 · arxiv_version: 2606.28436v1 · doi: 10.48550/arxiv.2606.28436 · pith_short_12: F6LKGV45GWIS · pith_short_16: F6LKGV45GWIS5Y4T · pith_short_8: F6LKGV45

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/F6LKGV45GWIS5Y4T5UEANDRPPT \
  | 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: 2f96a3579d35912ee393ed08068e2f7ce2d203883e5e6dd049f34af25b0d109a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e7cbb7f96165110a310da17bd1ceb5b680c750f9a0cfe5aafca1796a68fa9ec",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-26T06:14:55Z",
    "title_canon_sha256": "b44ede8ed233d47c739c60950f2d2375b77e442799d5ef8da1fabac5eeb2beb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28436",
    "kind": "arxiv",
    "version": 1
  }
}