Pith Number

pith:FO2ITO6Y

pith:2014:FO2ITO6YLU6W5VEO7HTFIV5HJY

not attested not anchored not stored refs pending

Locally normal subgroups of totally disconnected groups. Part II: Compactly generated simple groups

Colin D. Reid, George A. Willis, Pierre-Emmanuel Caprace

arxiv:1401.3142 v3 · 2014-01-14 · 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{FO2ITO6YLU6W5VEO7HTFIV5HJY}

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	2026-05-18T00:40:52.141202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bb489bbd85d3d6ed48ef9e65457a74e282bc1511080f7b4672cd263b9fb04a8

Aliases

arxiv: 1401.3142 · arxiv_version: 1401.3142v3 · doi: 10.48550/arxiv.1401.3142 · pith_short_12: FO2ITO6YLU6W · pith_short_16: FO2ITO6YLU6W5VEO · pith_short_8: FO2ITO6Y

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/FO2ITO6YLU6W5VEO7HTFIV5HJY \
  | 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: 2bb489bbd85d3d6ed48ef9e65457a74e282bc1511080f7b4672cd263b9fb04a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53dfeef63f859fd58716f3165651dd0d1234b168cd4c9f40328660bb32b11a3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-01-14T11:18:46Z",
    "title_canon_sha256": "96c07609cecd602bb8ad7a1a1b13087aeff87f27df78671c9f9f1f00c2540af0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3142",
    "kind": "arxiv",
    "version": 3
  }
}