Pith Number

pith:MOWWSNZL

pith:2014:MOWWSNZLOYGGW252C4S2SZLWW4

not attested not anchored not stored refs pending

Semigroup presentations for test local groups

C. Nogueira, J.C. Costa, M.L. Teixeira

arxiv:1401.0637 v2 · 2014-01-03 · 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{MOWWSNZLOYGGW252C4S2SZLWW4}

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	2026-05-18T02:53:40.242789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63ad69372b760c6b6bba1725a96576b7071a1149faec024f0f2dd65b94e571ca

Aliases

arxiv: 1401.0637 · arxiv_version: 1401.0637v2 · doi: 10.48550/arxiv.1401.0637 · pith_short_12: MOWWSNZLOYGG · pith_short_16: MOWWSNZLOYGGW252 · pith_short_8: MOWWSNZL

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/MOWWSNZLOYGGW252C4S2SZLWW4 \
  | 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: 63ad69372b760c6b6bba1725a96576b7071a1149faec024f0f2dd65b94e571ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77bfde7a170a6c5b52dbafdee21c2b122b2ac27f94107d4f93f07e6e6a155b8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-01-03T12:27:39Z",
    "title_canon_sha256": "6c905908168cc002683599a13f64fb4e26898d449e29f9fb176dd4f361c8efa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0637",
    "kind": "arxiv",
    "version": 2
  }
}