Pith Number

pith:ID2IWZPZ

pith:2026:ID2IWZPZ3W7JBARHK3N6AIWTWO

not attested not anchored not stored refs pending

Auditing LLM Benchmarks with Item Response Theory

Daniel M. Bikel, Sander Land

arxiv:2605.30504 v1 · 2026-05-28 · 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{ID2IWZPZ3W7JBARHK3N6AIWTWO}

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	2026-06-01T01:02:57.967168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40f48b65f9ddbe90822756dbe022d3b39c8933b28cca5f190832a9e0ddef8f1c

Aliases

arxiv: 2605.30504 · arxiv_version: 2605.30504v1 · doi: 10.48550/arxiv.2605.30504 · pith_short_12: ID2IWZPZ3W7J · pith_short_16: ID2IWZPZ3W7JBARH · pith_short_8: ID2IWZPZ

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/ID2IWZPZ3W7JBARHK3N6AIWTWO \
  | 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: 40f48b65f9ddbe90822756dbe022d3b39c8933b28cca5f190832a9e0ddef8f1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3000f8e55a2d404f69586ced76b2e938783b79e5cfe831c1f00b0bae4dafa4a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-28T19:38:44Z",
    "title_canon_sha256": "5f01988124339c1d0df05fba51b06e729b5ecb9a01bef61fe7a742ddf19cff17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30504",
    "kind": "arxiv",
    "version": 1
  }
}