Pith Number

pith:CUGQRDTB

pith:2019:CUGQRDTBSLBEZ5NGMIJ3HY2HRT

not attested not anchored not stored refs pending

A Database of Groups with Equivalent Character Tables

Michael Stemper, Steve Goldstein, William Cocke

arxiv:1907.07633 v1 · 2019-07-17 · 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{CUGQRDTBSLBEZ5NGMIJ3HY2HRT}

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	2026-05-17T23:40:21.503927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

150d088e6192c24cf5a66213b3e3478cdf7e5dd4c6c6ef416d52b8f8ae80d519

Aliases

arxiv: 1907.07633 · arxiv_version: 1907.07633v1 · doi: 10.48550/arxiv.1907.07633 · pith_short_12: CUGQRDTBSLBE · pith_short_16: CUGQRDTBSLBEZ5NG · pith_short_8: CUGQRDTB

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/CUGQRDTBSLBEZ5NGMIJ3HY2HRT \
  | 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: 150d088e6192c24cf5a66213b3e3478cdf7e5dd4c6c6ef416d52b8f8ae80d519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0f27f8ad62952efc60a3372cbf756e0a991f8fd2fcbedd00ea1319cdec8ba82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-07-17T16:37:33Z",
    "title_canon_sha256": "605811412a8a4969374d7da913da586f448ffa2f5b86be4e948696f9eea88276"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07633",
    "kind": "arxiv",
    "version": 1
  }
}