Pith Number

pith:UV4B72TJ

pith:2017:UV4B72TJ3EW6WBAFYGWIZZGEEU

not attested not anchored not stored refs pending

Classification of certain types of maximal matrix subalgebras

John Eggers, Mark Van Veen, Ron Evans

arxiv:1704.02437 v1 · 2017-04-08 · 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{UV4B72TJ3EW6WBAFYGWIZZGEEU}

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	2026-05-18T00:46:45.541186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5781fea69d92deb0405c1ac8ce4c4252d08b3e0ecbd25c87aa9d527cc01b120

Aliases

arxiv: 1704.02437 · arxiv_version: 1704.02437v1 · doi: 10.48550/arxiv.1704.02437 · pith_short_12: UV4B72TJ3EW6 · pith_short_16: UV4B72TJ3EW6WBAF · pith_short_8: UV4B72TJ

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/UV4B72TJ3EW6WBAFYGWIZZGEEU \
  | 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: a5781fea69d92deb0405c1ac8ce4c4252d08b3e0ecbd25c87aa9d527cc01b120

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f232c26b1e32f50062a8b440dc1a3d3b67b19dc8c5c99c3b2858cb3afc9bfe9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-04-08T04:14:26Z",
    "title_canon_sha256": "3eff40fce94d624e56ba800f2f0ca0e674e37a4afcfd412748ab59fb2f7da370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02437",
    "kind": "arxiv",
    "version": 1
  }
}