Pith Number

pith:WLIAPTDE

pith:2026:WLIAPTDEY4NUU6SP7YZT5A4EHT

not attested not anchored not stored refs pending

Ratchet: A Minimal Hygiene Recipe for Self-Evolving LLM Agents

Bing Zhu, Guanghui Wang, Peiyang He, Wei Qiu, Xing Zhang, Yanwei Cui, Ziyuan Li

arxiv:2605.22148 v1 · 2026-05-21 · 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{WLIAPTDEY4NUU6SP7YZT5A4EHT}

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	2026-05-22T01:04:28.603982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2d007cc64c71b4a7a4ffe333e83843cd09b6a8fd99d7929cceb3cfd85bff867

Aliases

arxiv: 2605.22148 · arxiv_version: 2605.22148v1 · doi: 10.48550/arxiv.2605.22148 · pith_short_12: WLIAPTDEY4NU · pith_short_16: WLIAPTDEY4NUU6SP · pith_short_8: WLIAPTDE

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/WLIAPTDEY4NUU6SP7YZT5A4EHT \
  | 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: b2d007cc64c71b4a7a4ffe333e83843cd09b6a8fd99d7929cceb3cfd85bff867

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e93574fe0b8dc793e9cd789137e4c8876adcd0add99db59f0b9425b739ca49d5",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-21T08:20:38Z",
    "title_canon_sha256": "295241ceb5c277e637d23ae2e15b2c023aa9d2b60561a6bbca2e0fb9bcc8c44f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22148",
    "kind": "arxiv",
    "version": 1
  }
}