Pith Number

pith:GNX4TTMF

pith:2026:GNX4TTMF2ZIO7SEO3IIFDZGHO6

not attested not anchored not stored refs pending

Who Grades the Grader? Co-Evolving Evaluation Metrics and Skills for Self-Improving LLM Agents

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

arxiv:2607.12790 v1 · 2026-07-14 · cs.AI · cs.CL · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GNX4TTMF2ZIO7SEO3IIFDZGHO6}

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	2026-07-15T01:22:18.122408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

336fc9cd85d650efc88eda1051e4c777bf144f60c65c3b350c9618ffca3dbfd9

Aliases

arxiv: 2607.12790 · arxiv_version: 2607.12790v1 · doi: 10.48550/arxiv.2607.12790 · pith_short_12: GNX4TTMF2ZIO · pith_short_16: GNX4TTMF2ZIO7SEO · pith_short_8: GNX4TTMF

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/GNX4TTMF2ZIO7SEO3IIFDZGHO6 \
  | 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: 336fc9cd85d650efc88eda1051e4c777bf144f60c65c3b350c9618ffca3dbfd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "194c9f5c235e197560a9ffe7d911881c02d522443a2f08fcc68fb13b37a31302",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-14T14:02:50Z",
    "title_canon_sha256": "7620abf29fc6168a75ff28bf854269f1bc6329596b2818f03d6f3814227fe689"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12790",
    "kind": "arxiv",
    "version": 1
  }
}