Pith Number

pith:UWY3WMKO

pith:2010:UWY3WMKO5P5622266YHNROPUBK

not attested not anchored not stored refs pending

Hurwitz' theorem on composition algebras

Bruce W. Westbury

arxiv:1011.6197 v1 · 2010-11-29 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWY3WMKO5P5622266YHNROPUBK}

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	2026-05-18T04:34:36.235804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b1bb314eebfbed6b5ef60ed8b9f40a87ed2c4a38e8e8259d2d91ce1f129e96

Aliases

arxiv: 1011.6197 · arxiv_version: 1011.6197v1 · doi: 10.48550/arxiv.1011.6197 · pith_short_12: UWY3WMKO5P56 · pith_short_16: UWY3WMKO5P562226 · pith_short_8: UWY3WMKO

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/UWY3WMKO5P5622266YHNROPUBK \
  | 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: a5b1bb314eebfbed6b5ef60ed8b9f40a87ed2c4a38e8e8259d2d91ce1f129e96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a74db23dba46aa3f951612a61b71d94a858a86361f0ccaec15b9537f47caa6e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2010-11-29T11:28:56Z",
    "title_canon_sha256": "691ca3e84c4e16c79c36cb61732645fd17d53805516d9989456619bc9bcbd01b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.6197",
    "kind": "arxiv",
    "version": 1
  }
}