Pith Number

pith:HO6IW4SW

pith:2018:HO6IW4SW4Z7JUPKF33UYVMJBCI

not attested not anchored not stored refs pending

Exotic matrix models: the Albert algebra and the spin factor

Paul E. Gunnells

arxiv:1808.02853 v1 · 2018-08-08 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HO6IW4SW4Z7JUPKF33UYVMJBCI}

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	2026-05-18T00:08:31.973801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bbc8b7256e67e9a3d45dee98ab1211208ef42b5d04cf8a54a77829b3aec3e3c

Aliases

arxiv: 1808.02853 · arxiv_version: 1808.02853v1 · doi: 10.48550/arxiv.1808.02853 · pith_short_12: HO6IW4SW4Z7J · pith_short_16: HO6IW4SW4Z7JUPKF · pith_short_8: HO6IW4SW

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/HO6IW4SW4Z7JUPKF33UYVMJBCI \
  | 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: 3bbc8b7256e67e9a3d45dee98ab1211208ef42b5d04cf8a54a77829b3aec3e3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "449dcb4e3b00e76f0c41f5d72def8c97c056dd577158a891cddeaa6c52af49aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-08-08T16:41:59Z",
    "title_canon_sha256": "6ac98028532f308f3cf175d7c42d6700a46c85f18a06e7d332a84088b3a393c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02853",
    "kind": "arxiv",
    "version": 1
  }
}