Pith Number

pith:B2YVAO4T

pith:2011:B2YVAO4TXMCSGI7F7X5XP3FABG

not attested not anchored not stored refs pending

$F_4(2)$ and its automorphism group

Chris Parker, Gernot Stroth

arxiv:1108.1661 v2 · 2011-08-08 · 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{B2YVAO4TXMCSGI7F7X5XP3FABG}

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	2026-05-18T03:57:27.346698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eb1503b93bb052323e5fdfb77eca00987a05bf750923b530cacc9ec3cf363a0

Aliases

arxiv: 1108.1661 · arxiv_version: 1108.1661v2 · doi: 10.48550/arxiv.1108.1661 · pith_short_12: B2YVAO4TXMCS · pith_short_16: B2YVAO4TXMCSGI7F · pith_short_8: B2YVAO4T

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/B2YVAO4TXMCSGI7F7X5XP3FABG \
  | 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: 0eb1503b93bb052323e5fdfb77eca00987a05bf750923b530cacc9ec3cf363a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c25a5a09a2f2b6fc5fd799742323cb0986dbc1d904ff1f81b15d9c1e77fbcdeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2011-08-08T10:03:05Z",
    "title_canon_sha256": "cefb1eace2ffb2c944eeb525870eebfc9f50abae55bb5fc11770130f44da471b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1661",
    "kind": "arxiv",
    "version": 2
  }
}