Pith Number

pith:7IV2YEEL

pith:2012:7IV2YEELUKFQWWKH37YORXZOCR

not attested not anchored not stored refs pending

Supernilpotence prevents dualizability

Peter Mayr, Wolfram Bentz

arxiv:1210.3185 v2 · 2012-10-11 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7IV2YEELUKFQWWKH37YORXZOCR}

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	2026-05-17T23:53:36.016539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa2bac108ba28b0b5947dff0e8df2e1450bf664557259068b7dd1494424d58b8

Aliases

arxiv: 1210.3185 · arxiv_version: 1210.3185v2 · doi: 10.48550/arxiv.1210.3185 · pith_short_12: 7IV2YEELUKFQ · pith_short_16: 7IV2YEELUKFQWWKH · pith_short_8: 7IV2YEEL

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/7IV2YEELUKFQWWKH37YORXZOCR \
  | 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: fa2bac108ba28b0b5947dff0e8df2e1450bf664557259068b7dd1494424d58b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d5414a8f61c06ab7d6eb1d8742bff5f07c98bfd146a5cbd706d8a768d58effd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-10-11T11:40:43Z",
    "title_canon_sha256": "ebe2f1adf2367a1f8fc3d4c3b0a410f9b19c6806f568446d038e264bee53b424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3185",
    "kind": "arxiv",
    "version": 2
  }
}