Pith Number

pith:UE47YYAL

pith:2026:UE47YYAL6OFTPJ2DBUISYRO5HK

not attested not anchored not stored refs pending

Are LLM Evaluators Really Narcissists? Sanity Checking Self-Preference Evaluations

Dani Roytburg, Jou Barzdukas, Mackenzie Puig-Hall, Matthew Bozoukov, Matthew Nguyen, Narmeen Oozeer

arxiv:2601.22548 v4 · 2026-01-30 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UE47YYAL6OFTPJ2DBUISYRO5HK}

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	2026-06-24T00:14:22.353959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a139fc600bf38b37a7430d112c45dd3ab825151ed0667da82333433d6f9ce2df

Aliases

arxiv: 2601.22548 · arxiv_version: 2601.22548v4 · doi: 10.48550/arxiv.2601.22548 · pith_short_12: UE47YYAL6OFT · pith_short_16: UE47YYAL6OFTPJ2D · pith_short_8: UE47YYAL

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/UE47YYAL6OFTPJ2DBUISYRO5HK \
  | 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: a139fc600bf38b37a7430d112c45dd3ab825151ed0667da82333433d6f9ce2df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ddfc97ec4f37f263ec4a98c5b8003a8316d2c83bcb2438fc5fcfdbd01fba98d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-01-30T04:38:18Z",
    "title_canon_sha256": "c7146fe3ac3763d080d19234f945dd02fe6d1d265a0c338466d051e5323246e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.22548",
    "kind": "arxiv",
    "version": 4
  }
}