Pith Number

pith:S2BELMCT

pith:2016:S2BELMCTXK5SLVD54FY4S2X3MJ

not attested not anchored not stored refs pending

$E_8$, the most exceptional group

S. Garibaldi

arxiv:1605.01721 v1 · 2016-05-04 · math.RA · math.GR · math.RT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2BELMCTXK5SLVD54FY4S2X3MJ}

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	2026-05-18T01:04:46.529192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

968245b053babb25d47de171c96afb625a04704b816b9c94f88e8d6d2e2b7fbb

Aliases

arxiv: 1605.01721 · arxiv_version: 1605.01721v1 · doi: 10.48550/arxiv.1605.01721 · pith_short_12: S2BELMCTXK5S · pith_short_16: S2BELMCTXK5SLVD5 · pith_short_8: S2BELMCT

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/S2BELMCTXK5SLVD54FY4S2X3MJ \
  | 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: 968245b053babb25d47de171c96afb625a04704b816b9c94f88e8d6d2e2b7fbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35ea28753b86e927436112567821656363a148389ed1543926278977f7fcef76",
    "cross_cats_sorted": [
      "math.GR",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-05-04T21:52:33Z",
    "title_canon_sha256": "e4df63fd4a9a6d64b06ead4d189f9ca34821134ad20a1df34215fa8df6b8c7df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01721",
    "kind": "arxiv",
    "version": 1
  }
}