Pith Number

pith:IOZAPLD7

pith:2026:IOZAPLD7JC7DWACMYRXKOHZ3HB

not attested not anchored not stored refs pending

CoEval: Ranking Language Models for Custom Tasks Without Labeled Data or Trustworthy Benchmarks

Alexander Apartsin, Yehudit Aperstein

arxiv:2606.03650 v1 · 2026-06-02 · cs.CL · 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{IOZAPLD7JC7DWACMYRXKOHZ3HB}

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	2026-06-03T01:06:03.528639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43b207ac7f48be3b004cc46ea71f3b387f34d09460c7c533c1749664f533a1de

Aliases

arxiv: 2606.03650 · arxiv_version: 2606.03650v1 · doi: 10.48550/arxiv.2606.03650 · pith_short_12: IOZAPLD7JC7D · pith_short_16: IOZAPLD7JC7DWACM · pith_short_8: IOZAPLD7

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/IOZAPLD7JC7DWACMYRXKOHZ3HB \
  | 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: 43b207ac7f48be3b004cc46ea71f3b387f34d09460c7c533c1749664f533a1de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d26c51c1417a4055290dd220f48f0153a5d7dde1038535b318bdada7bb07ee23",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-02T13:41:43Z",
    "title_canon_sha256": "d7a561fb6cf67f0190300b4f8215dc5bca9e364d4a181d0a45938f7d96021d21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.03650",
    "kind": "arxiv",
    "version": 1
  }
}