Pith Number

pith:6F2BCAW4

pith:2019:6F2BCAW4YS7V3PNXBNEDJU7WYG

not attested not anchored not stored refs pending

On a special presentation of matrix algebras

Geir Agnarsson, Samuel S. Mendelson

arxiv:1907.05335 v1 · 2019-07-11 · 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{6F2BCAW4YS7V3PNXBNEDJU7WYG}

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	2026-05-17T23:40:50.701618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1741102dcc4bf5dbdb70b4834d3f6c18ae1e13338b8674337dab283ef560509

Aliases

arxiv: 1907.05335 · arxiv_version: 1907.05335v1 · doi: 10.48550/arxiv.1907.05335 · pith_short_12: 6F2BCAW4YS7V · pith_short_16: 6F2BCAW4YS7V3PNX · pith_short_8: 6F2BCAW4

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/6F2BCAW4YS7V3PNXBNEDJU7WYG \
  | 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: f1741102dcc4bf5dbdb70b4834d3f6c18ae1e13338b8674337dab283ef560509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82d8cddde928591ea5cb4079fc7f61d94ee81fc98811b1e23aad9e11b6143d50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2019-07-11T16:10:15Z",
    "title_canon_sha256": "0bba761d55d59bf5b41476125e08840dcd02cabca2eec9e2388cc33c57a5aa75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05335",
    "kind": "arxiv",
    "version": 1
  }
}