Pith Number

pith:QNHVG6UP

pith:2025:QNHVG6UPZLXU2LG5LPU7RXVDGV

not attested not anchored not stored refs pending

Uncovering Competency Gaps in Large Language Models and Their Benchmarks

Christoph Bregler, Maty Bohacek, Nicholas Dufour, Nino Scherrer, Stephanie C. Y. Chan, Thomas Leung

arxiv:2512.20638 v2 · 2025-12-06 · 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{QNHVG6UPZLXU2LG5LPU7RXVDGV}

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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.

Cited by

1 paper in Pith

Unsteady Metrics and Benchmarking Cultures of AI Model Builders

Receipt and verification

First computed	2026-06-02T01:03:40.163441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834f537a8fcaef4d2cdd5be9f8dea3357d8aa81d4c263becfa0b9192ddb2afd2

Aliases

arxiv: 2512.20638 · arxiv_version: 2512.20638v2 · doi: 10.48550/arxiv.2512.20638 · pith_short_12: QNHVG6UPZLXU · pith_short_16: QNHVG6UPZLXU2LG5 · pith_short_8: QNHVG6UP

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/QNHVG6UPZLXU2LG5LPU7RXVDGV \
  | 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: 834f537a8fcaef4d2cdd5be9f8dea3357d8aa81d4c263becfa0b9192ddb2afd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1f797b793b4733c8a4502b9ae89ad686cedabd9197a249138338d89ac9545e7",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-12-06T17:39:47Z",
    "title_canon_sha256": "63baa7e85a487c1a3f0b336804c016458574fa6fcea48b2359d5022c80e9fc8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.20638",
    "kind": "arxiv",
    "version": 2
  }
}