Pith Number

pith:HNTJ2DJ6

pith:2012:HNTJ2DJ6BGTNU6L7W6WZITRBH4

not attested not anchored not stored refs pending

A description of a class of finite semigroups that are near to being Malcev nilpotent

E. Jespers, M. H. Shahzamanian

arxiv:1203.2429 v2 · 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{HNTJ2DJ6BGTNU6L7W6WZITRBH4}

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	2026-05-18T02:57:36.163375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b669d0d3e09a6da797fb7ad944e213f0746f6f505083d9df41ce5a5f93a62e3

Aliases

arxiv: 1203.2429 · arxiv_version: 1203.2429v2 · doi: 10.48550/arxiv.1203.2429 · pith_short_12: HNTJ2DJ6BGTN · pith_short_16: HNTJ2DJ6BGTNU6L7 · pith_short_8: HNTJ2DJ6

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/HNTJ2DJ6BGTNU6L7W6WZITRBH4 \
  | 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: 3b669d0d3e09a6da797fb7ad944e213f0746f6f505083d9df41ce5a5f93a62e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "015840c8b2e79c96895c99973d56649f80ce7e8e83cfa9a68514a623d6f8cc5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2012-03-12T09:15:10Z",
    "title_canon_sha256": "c394bbed88197adc9882f9bca420f16890509f17dfd7620cb644fda8ed52db9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2429",
    "kind": "arxiv",
    "version": 2
  }
}