Pith Number

pith:WNH4QBDU

pith:2024:WNH4QBDUI6JG2QYXFZFMMCINHJ

not attested not anchored not stored refs pending

Does Mapo Tofu Contain Coffee? Probing LLMs for Food-related Cultural Knowledge

Daniel Hershcovich, Haizhou Li, Li Zhou, Nicolas Garneau, Taelin Karidi, Wanlong Liu, Wenyu Chen, Yong Cao

arxiv:2404.06833 v3 · 2024-04-10 · 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{WNH4QBDUI6JG2QYXFZFMMCINHJ}

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	2026-07-05T10:10:22.990108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b34fc8047447926d43172e4ac6090d3a4b460702834927439a01720c0e7e4612

Aliases

arxiv: 2404.06833 · arxiv_version: 2404.06833v3 · doi: 10.48550/arxiv.2404.06833 · pith_short_12: WNH4QBDUI6JG · pith_short_16: WNH4QBDUI6JG2QYX · pith_short_8: WNH4QBDU

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/WNH4QBDUI6JG2QYXFZFMMCINHJ \
  | 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: b34fc8047447926d43172e4ac6090d3a4b460702834927439a01720c0e7e4612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72eb67ced148d96a2ca328c4b6a082a16d194628e694cbc6d54a910605821d45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-04-10T08:49:27Z",
    "title_canon_sha256": "3b3ea5f9b48140328edd9e06d74483813571f6c4ee03dfae5bdf7ef10c352416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.06833",
    "kind": "arxiv",
    "version": 3
  }
}