Pith Number

pith:FB2DA3AL

pith:2013:FB2DA3ALZT2MJ2RBCSN7FF5GXC

not attested not anchored not stored refs pending

The Freedman group: a physical interpretation for the SU(3)-subgroup D(18,1,1;2,1,1) of order 648

Claire I. Levaillant

arxiv:1309.3580 v3 · 2013-09-13 · math.QA · 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{FB2DA3ALZT2MJ2RBCSN7FF5GXC}

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	2026-05-18T01:47:41.852278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2874306c0bccf4c4ea21149bf297a6b882c9aa720609e68db8dd0d55625cc678

Aliases

arxiv: 1309.3580 · arxiv_version: 1309.3580v3 · doi: 10.48550/arxiv.1309.3580 · pith_short_12: FB2DA3ALZT2M · pith_short_16: FB2DA3ALZT2MJ2RB · pith_short_8: FB2DA3AL

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/FB2DA3ALZT2MJ2RBCSN7FF5GXC \
  | 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: 2874306c0bccf4c4ea21149bf297a6b882c9aa720609e68db8dd0d55625cc678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "894d9d51a141d7a7f56ef2212597c8b4791baedd828ce1363bbb4252584ea6d1",
    "cross_cats_sorted": [
      "math.GR",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2013-09-13T20:55:59Z",
    "title_canon_sha256": "9f9b20147045422f0ab0dac67c57bde52aa91134f0ac01c1552f6c3f360ba964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3580",
    "kind": "arxiv",
    "version": 3
  }
}