Pith Number

pith:25LT2T2K

pith:2025:25LT2T2KN6MLAWON7ZRK33PY6M

not attested not anchored not stored refs pending

SKA-Bench: A Fine-Grained Benchmark for Evaluating Structured Knowledge Understanding of LLMs

Enpei Niu, Huajun Chen, Lei Liang, Mengshu Sun, Wen Zhang, Yin Hua, Zhiqiang Liu

arxiv:2507.17178 v3 · 2025-07-23 · 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{25LT2T2KN6MLAWON7ZRK33PY6M}

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	2026-07-05T12:01:25.038535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7573d4f4a6f98b059cdfe62adedf8f3065286a6233c979a6f19a9b27fdfe427

Aliases

arxiv: 2507.17178 · arxiv_version: 2507.17178v3 · doi: 10.48550/arxiv.2507.17178 · pith_short_12: 25LT2T2KN6ML · pith_short_16: 25LT2T2KN6MLAWON · pith_short_8: 25LT2T2K

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/25LT2T2KN6MLAWON7ZRK33PY6M \
  | 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: d7573d4f4a6f98b059cdfe62adedf8f3065286a6233c979a6f19a9b27fdfe427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6f6c15a4924d03e2f82b3d8068081a292f28bbdee35bae4b89747fb7c5dd69b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-07-23T03:52:24Z",
    "title_canon_sha256": "e8561829980ea51d5860668b7625914f36a475d6005a8c1c09d6931125d5bcf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.17178",
    "kind": "arxiv",
    "version": 3
  }
}