Pith Number

pith:6Z3B2TJ3

pith:2026:6Z3B2TJ3UABORBT6TIEIIUF3TD

not attested not anchored not stored refs pending

NuclearQAv2: A Structured Benchmark for Evaluating Domain-Science Competence in Large Language Models

Benjamin H. Sims, Emily Taylor, Henry Shaowu Yuchi, Michal Kucer, Selma Peterson

arxiv:2606.27047 v1 · 2026-06-25 · 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{6Z3B2TJ3UABORBT6TIEIIUF3TD}

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	2026-06-26T01:16:08.012568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6761d4d3ba002e8867e9a088450bb98fdcc3362113be400360bf2542a130b97

Aliases

arxiv: 2606.27047 · arxiv_version: 2606.27047v1 · doi: 10.48550/arxiv.2606.27047 · pith_short_12: 6Z3B2TJ3UABO · pith_short_16: 6Z3B2TJ3UABORBT6 · pith_short_8: 6Z3B2TJ3

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/6Z3B2TJ3UABORBT6TIEIIUF3TD \
  | 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: f6761d4d3ba002e8867e9a088450bb98fdcc3362113be400360bf2542a130b97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1eab03df055d9fbadf401beddc39608f9c9b44742fb1f60b9b64a28214b940d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-25T13:52:16Z",
    "title_canon_sha256": "65cec8b98030ab1078eb1553400278617f3f496f5876d82734f89b3e19922fc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27047",
    "kind": "arxiv",
    "version": 1
  }
}