Pith Number

pith:C66BVH3K

pith:2017:C66BVH3KA42DCCJ7KLMN3MPPPQ

not attested not anchored not stored refs pending

Reverse Cholesky factorization and tensor products of nest algebras

Hugo J. Woerdeman, Vern I. Paulsen

arxiv:1704.04323 v1 · 2017-04-14 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C66BVH3KA42DCCJ7KLMN3MPPPQ}

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	2026-05-18T00:46:21.913463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17bc1a9f6a073431093f52d8ddb1ef7c26aada42d0761c868b57adeabc95a9b0

Aliases

arxiv: 1704.04323 · arxiv_version: 1704.04323v1 · doi: 10.48550/arxiv.1704.04323 · pith_short_12: C66BVH3KA42D · pith_short_16: C66BVH3KA42DCCJ7 · pith_short_8: C66BVH3K

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/C66BVH3KA42DCCJ7KLMN3MPPPQ \
  | 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: 17bc1a9f6a073431093f52d8ddb1ef7c26aada42d0761c868b57adeabc95a9b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc529f411ca8592055743718745e60f60507ff5bb5030841c359c412568f50b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-04-14T01:43:49Z",
    "title_canon_sha256": "77fe28aa4b08bd11acfac691afa71a609d5eeeb67b13048cf79563f6fb90e870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04323",
    "kind": "arxiv",
    "version": 1
  }
}