Pith Number

pith:QATNLBGK

pith:2024:QATNLBGKX4LURJVT6HUG4DFRTO

not attested not anchored not stored refs pending

What Makes Cryptic Crosswords Challenging for LLMs?

Abdelrahman Sadallah, Daria Kotova, Ekaterina Kochmar

arxiv:2412.09012 v2 · 2024-12-12 · 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{QATNLBGKX4LURJVT6HUG4DFRTO}

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	2026-07-05T10:00:44.945960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8026d584cabf1748a6b3f1e86e0cb19b973fa7b80b9723d6b7335f8cc7cad849

Aliases

arxiv: 2412.09012 · arxiv_version: 2412.09012v2 · doi: 10.48550/arxiv.2412.09012 · pith_short_12: QATNLBGKX4LU · pith_short_16: QATNLBGKX4LURJVT · pith_short_8: QATNLBGK

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/QATNLBGKX4LURJVT6HUG4DFRTO \
  | 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: 8026d584cabf1748a6b3f1e86e0cb19b973fa7b80b9723d6b7335f8cc7cad849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e63f1229f6e96414ee8c29acfa42719bf497d40ca05d7fefd638d6c98e3d013",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-12-12T07:23:52Z",
    "title_canon_sha256": "674c109d8ed9bbeb26b9c577cf41d65af70d50d9b18ef6fd174ccc3763243d7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.09012",
    "kind": "arxiv",
    "version": 2
  }
}