Pith Number

pith:4QSQJ6KY

pith:2024:4QSQJ6KYDMWE5SHXNKJ5PPR5QE

not attested not anchored not stored refs pending

Proving that Cryptic Crossword Clue Answers are Correct

Martin Andrews, Sam Witteveen

arxiv:2407.08824 v1 · 2024-07-11 · cs.CL · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QSQJ6KYDMWE5SHXNKJ5PPR5QE}

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	2026-07-05T08:42:56.558718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e42504f9581b2c4ec8f76a93d7be3d81301439a501e11d08599b084a698bb901

Aliases

arxiv: 2407.08824 · arxiv_version: 2407.08824v1 · doi: 10.48550/arxiv.2407.08824 · pith_short_12: 4QSQJ6KYDMWE · pith_short_16: 4QSQJ6KYDMWE5SHX · pith_short_8: 4QSQJ6KY

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/4QSQJ6KYDMWE5SHXNKJ5PPR5QE \
  | 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: e42504f9581b2c4ec8f76a93d7be3d81301439a501e11d08599b084a698bb901

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db94221821336b7e144f76c2785ed7812db82bc473d1bb7165a219e9c71d95ef",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-07-11T19:13:16Z",
    "title_canon_sha256": "40fa114eae72acda15bd41f8b7a8999a6431f60418c9b552a2b421f0a83c7c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.08824",
    "kind": "arxiv",
    "version": 1
  }
}