Pith Number

pith:UEMNADFT

pith:2022:UEMNADFTVGREK3BLCRLGHLUJTW

not attested not anchored not stored refs pending

The Isabelle ENIGMA

Cezary Kaliszyk, Jan Jakub\r{u}v, Jelle Piepenbrock, Josef Urban, Miroslav Ol\v{s}\'ak, Zarathustra A. Goertzel

arxiv:2205.01981 v1 · 2022-05-04 · cs.AI · 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{UEMNADFTVGREK3BLCRLGHLUJTW}

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	2026-07-05T04:20:24.227095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a118d00cb3a9a2456c2b145663ae899d835435f3912edbb065ae218943131146

Aliases

arxiv: 2205.01981 · arxiv_version: 2205.01981v1 · doi: 10.48550/arxiv.2205.01981 · pith_short_12: UEMNADFTVGRE · pith_short_16: UEMNADFTVGREK3BL · pith_short_8: UEMNADFT

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/UEMNADFTVGREK3BLCRLGHLUJTW \
  | 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: a118d00cb3a9a2456c2b145663ae899d835435f3912edbb065ae218943131146

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "122e746b4bd7dcbd7954b2c678c5d0c8c6247f320134822b167a5e802e52c318",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2022-05-04T10:15:57Z",
    "title_canon_sha256": "c5102fcd3a7d3715c0c18d535413400270ac02ca17b2328726560de6f1fc343c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.01981",
    "kind": "arxiv",
    "version": 1
  }
}