Pith Number

pith:CLWQPWLZ

pith:2015:CLWQPWLZCNTWE47VDYZIWNQYVJ

not attested not anchored not stored refs pending

Computing finite semigroups

A. Egri-Nagy, J. D. Mitchell, J. East, Y. P\'eresse

arxiv:1510.01868 v3 · 2015-10-07 · 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{CLWQPWLZCNTWE47VDYZIWNQYVJ}

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	2026-05-18T00:07:28.673579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12ed07d97913676273f51e328b3618aa757a961491921b7218a41f5f7e141434

Aliases

arxiv: 1510.01868 · arxiv_version: 1510.01868v3 · doi: 10.48550/arxiv.1510.01868 · pith_short_12: CLWQPWLZCNTW · pith_short_16: CLWQPWLZCNTWE47V · pith_short_8: CLWQPWLZ

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/CLWQPWLZCNTWE47VDYZIWNQYVJ \
  | 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: 12ed07d97913676273f51e328b3618aa757a961491921b7218a41f5f7e141434

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0530bccc0da211501a9c6a386f737f84646704836e2251512e150515f61877f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-10-07T09:23:21Z",
    "title_canon_sha256": "f2aaaa25127d42ca707cb7f83bd38ad32c65f644d2e70c70d94c5b5715404e2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01868",
    "kind": "arxiv",
    "version": 3
  }
}