Pith Number

pith:UETF4ATR

pith:2026:UETF4ATR2KA53GTMTDZWSTIEU3

not attested not anchored not stored refs pending

Know2Guess: A Contamination-Aware Multi-Zone Benchmark for Knowledge-Boundary Evaluation in Large Language Models

Bowen Zhang, Haoyi Wu, Jian Wang, Renwei Meng, Shengan Yang, Xican Wang, Xuanyan Qiu

arxiv:2606.26101 v1 · 2026-04-30 · 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{UETF4ATR2KA53GTMTDZWSTIEU3}

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	2026-06-26T00:15:26.301438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1265e0271d281dd9a6c98f3694d04a6e5adbc4d848cac33cbeb3719e70c198f

Aliases

arxiv: 2606.26101 · arxiv_version: 2606.26101v1 · doi: 10.48550/arxiv.2606.26101 · pith_short_12: UETF4ATR2KA5 · pith_short_16: UETF4ATR2KA53GTM · pith_short_8: UETF4ATR

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/UETF4ATR2KA53GTMTDZWSTIEU3 \
  | 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: a1265e0271d281dd9a6c98f3694d04a6e5adbc4d848cac33cbeb3719e70c198f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02477d102694fe73bd8e78efb04d378f252e84a8985c65c2644dd0c3ac71ef4b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-04-30T05:46:01Z",
    "title_canon_sha256": "800a48d25adb77bf0a20d3c14ce3f8456bb618a0e5d69ec9b914796bec50b559"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26101",
    "kind": "arxiv",
    "version": 1
  }
}