Pith Number

pith:U7AJKUK4

pith:2018:U7AJKUK4CYF4HFX7CPAJR7D2N7

not attested not anchored not stored refs pending

Open Category Detection with PAC Guarantees

Alan Fern, Dan Hendrycks, Risheek Garrepalli, Si Liu, Thomas G. Dietterich

arxiv:1808.00529 v1 · 2018-08-01 · 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{U7AJKUK4CYF4HFX7CPAJR7D2N7}

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	2026-05-18T00:09:05.018574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7c095515c160bc396ff13c098fc7a6fc778f55b007944dc23ca5efc031e4bff

Aliases

arxiv: 1808.00529 · arxiv_version: 1808.00529v1 · doi: 10.48550/arxiv.1808.00529 · pith_short_12: U7AJKUK4CYF4 · pith_short_16: U7AJKUK4CYF4HFX7 · pith_short_8: U7AJKUK4

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/U7AJKUK4CYF4HFX7CPAJR7D2N7 \
  | 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: a7c095515c160bc396ff13c098fc7a6fc778f55b007944dc23ca5efc031e4bff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7ae5ccda61e45cea258a8c46922f269e4d5a5b47b8c554a9d9dc31f1f764002",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-08-01T19:41:04Z",
    "title_canon_sha256": "f4cc98b01101dcf1516ed494af3e69b432cc2ac42819ba26dd2899222697ea0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00529",
    "kind": "arxiv",
    "version": 1
  }
}