Pith Number

pith:QGS5OX6I

pith:2019:QGS5OX6IDTANFUZVG6JKXW5QFY

not attested not anchored not stored refs pending

Patent Claim Generation by Fine-Tuning OpenAI GPT-2

Jieh Hsiang, Jieh-Sheng Lee

arxiv:1907.02052 v1 · 2019-07-01 · cs.CL · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QGS5OX6IDTANFUZVG6JKXW5QFY}

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	2026-05-17T23:41:31.742438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81a5d75fc81cc0d2d3353792abdbb02e17b35c6d3c9790dea8ca4427ec9c26ab

Aliases

arxiv: 1907.02052 · arxiv_version: 1907.02052v1 · doi: 10.48550/arxiv.1907.02052 · pith_short_12: QGS5OX6IDTAN · pith_short_16: QGS5OX6IDTANFUZV · pith_short_8: QGS5OX6I

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/QGS5OX6IDTANFUZVG6JKXW5QFY \
  | 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: 81a5d75fc81cc0d2d3353792abdbb02e17b35c6d3c9790dea8ca4427ec9c26ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52d3bcf90cbd59a2d29fcedbf39f23364e947d38f97c76274769be6e0f698995",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-07-01T00:02:59Z",
    "title_canon_sha256": "598944b2d8ea804bd19d95bd8497a2549ee3e801e17d5b90610939ec32f8bea3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02052",
    "kind": "arxiv",
    "version": 1
  }
}