Pith Number

pith:4HDEGREX

pith:2011:4HDEGREX5GMC26JOJB4P2YBRVU

not attested not anchored not stored refs pending

Non-commutative geometry and matrix models

Harold Steinacker

arxiv:1109.5521 v3 · 2011-09-26 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HDEGREX5GMC26JOJB4P2YBRVU}

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.

Cited by

1 paper in Pith

Quantization of Algebraic Varieties Defined by Casimir Polynomials via Matrix Regularization: Fuzzy $S^7$ and Beyond

Receipt and verification

First computed	2026-05-18T02:43:09.655043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1c6434497e9982d792e4878fd6031ad0ec81b348c13635b442c90f4a2955145

Aliases

arxiv: 1109.5521 · arxiv_version: 1109.5521v3 · doi: 10.48550/arxiv.1109.5521 · pith_short_12: 4HDEGREX5GMC · pith_short_16: 4HDEGREX5GMC26JO · pith_short_8: 4HDEGREX

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/4HDEGREX5GMC26JOJB4P2YBRVU \
  | 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: e1c6434497e9982d792e4878fd6031ad0ec81b348c13635b442c90f4a2955145

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9035b9ccd82f7cd3acb458ecaaff7c187291e9ec5abda458c55e32f0d71bb3da",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-09-26T10:51:11Z",
    "title_canon_sha256": "e57f7399666d17bc626bcce6e712ad0cb9ecdd563d196d43819fcf38f7f83879"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5521",
    "kind": "arxiv",
    "version": 3
  }
}