Pith Number

pith:ZCFFYFDT

pith:2014:ZCFFYFDTZBHYOMNKS4JDGQKMYV

not attested not anchored not stored refs pending

The analogue of Choi matrices for a class of linear maps on Von Neumann algebras

Erling Stormer

arxiv:1412.8598 v1 · 2014-12-30 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZCFFYFDTZBHYOMNKS4JDGQKMYV}

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	2026-05-18T02:30:16.917536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c88a5c1473c84f8731aa971233414cc5533da0b6def7d9b2e868435093799247

Aliases

arxiv: 1412.8598 · arxiv_version: 1412.8598v1 · doi: 10.48550/arxiv.1412.8598 · pith_short_12: ZCFFYFDTZBHY · pith_short_16: ZCFFYFDTZBHYOMNK · pith_short_8: ZCFFYFDT

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/ZCFFYFDTZBHYOMNKS4JDGQKMYV \
  | 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: c88a5c1473c84f8731aa971233414cc5533da0b6def7d9b2e868435093799247

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35cdeadfb553d8746f4f3f255494bcc6ecc243dfc7f7e9fe33eb9ad59054ebd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-12-30T10:30:06Z",
    "title_canon_sha256": "d5e8ef7b2857c889d83d59c37093044188785edd052708c3ec7a482e08e52718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8598",
    "kind": "arxiv",
    "version": 1
  }
}