Pith Number

pith:L5VRNBBI

pith:2014:L5VRNBBIODNUV6442JV5WYAM43

not attested not anchored not stored refs pending

The maximal dimension of unital subalgebras of the matrix algebra

A.L. Agore

arxiv:1403.0773 v3 · 2014-03-04 · math.RA · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L5VRNBBIODNUV6442JV5WYAM43}

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	2026-05-18T00:52:04.490895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f6b16842870db4afb9cd26bdb600ce6f4b76c40821db77e5a272a9cb70344ea

Aliases

arxiv: 1403.0773 · arxiv_version: 1403.0773v3 · doi: 10.48550/arxiv.1403.0773 · pith_short_12: L5VRNBBIODNU · pith_short_16: L5VRNBBIODNUV644 · pith_short_8: L5VRNBBI

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/L5VRNBBIODNUV6442JV5WYAM43 \
  | 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: 5f6b16842870db4afb9cd26bdb600ce6f4b76c40821db77e5a272a9cb70344ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebb63ed12efcc17bf601e27040bac74e6ed10e0d5bbf5415aa18aef970d511ed",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-03-04T12:58:38Z",
    "title_canon_sha256": "fd96adee4ba353017062110b3238978f2378bb9a67514b6a36fea92731cb8495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0773",
    "kind": "arxiv",
    "version": 3
  }
}