Pith Number

pith:YDBXALFC

pith:2013:YDBXALFCKZYS5UWSSUCSKJ7E5Y

not attested not anchored not stored refs pending

Lemma Mining over HOL Light

Cezary Kaliszyk, Josef Urban

arxiv:1310.2797 v1 · 2013-10-10 · cs.AI · cs.DL · cs.LG · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDBXALFCKZYS5UWSSUCSKJ7E5Y}

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	2026-05-18T03:10:46.675139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0c3702ca256712ed2d295052527e4ee28e81e38bd93dfc7b60dce0f55cf62b9

Aliases

arxiv: 1310.2797 · arxiv_version: 1310.2797v1 · doi: 10.48550/arxiv.1310.2797 · pith_short_12: YDBXALFCKZYS · pith_short_16: YDBXALFCKZYS5UWS · pith_short_8: YDBXALFC

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/YDBXALFCKZYS5UWSSUCSKJ7E5Y \
  | 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: c0c3702ca256712ed2d295052527e4ee28e81e38bd93dfc7b60dce0f55cf62b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c4b22e7c5344f84a198b76a136384cd6e295b7f6f4b9b63ffc75e0ab714598b",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.LG",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-10-10T12:53:04Z",
    "title_canon_sha256": "60d3581a95dfb75c736e52303aa9c9bcd6110802b3cbd6f5c2b1799acf0f3541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2797",
    "kind": "arxiv",
    "version": 1
  }
}