Pith Number

pith:OX5GW7JT

pith:2012:OX5GW7JTXH6DXISSAQSTBP5V6U

not attested not anchored not stored refs pending

The Non-Nilpotent Graph of a Semigroup

E. Jespers, M. H. Shahzamanian

arxiv:1203.2428 v1 · 2012-03-12 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OX5GW7JTXH6DXISSAQSTBP5V6U}

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	2026-05-18T02:57:36.171779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75fa6b7d33b9fc3ba252042530bfb5f539fda7c9e59ad31d6d87551c6456f3f8

Aliases

arxiv: 1203.2428 · arxiv_version: 1203.2428v1 · doi: 10.48550/arxiv.1203.2428 · pith_short_12: OX5GW7JTXH6D · pith_short_16: OX5GW7JTXH6DXISS · pith_short_8: OX5GW7JT

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/OX5GW7JTXH6DXISSAQSTBP5V6U \
  | 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: 75fa6b7d33b9fc3ba252042530bfb5f539fda7c9e59ad31d6d87551c6456f3f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388d9a7042f9b537cd2f1e2a44a5469c0d0e28761e17a595961c2f263189bb69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2012-03-12T09:12:38Z",
    "title_canon_sha256": "895ea94b6510b4f53052b3dc9766c9c23d1b697d63b63c237dd94bf671872c8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2428",
    "kind": "arxiv",
    "version": 1
  }
}