Pith Number

pith:HHGPMCWR

pith:1993:HHGPMCWRL2D42IFVZVNSDTRYMU

not attested not anchored not stored refs pending

Some Elements of Connes' Non-Commutative Geometry, And Space-Time Geometry

A.H. Chamseddine, J. Fr\"ohlich

arxiv:hep-th/9307012 v2 · 1993-07-02 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHGPMCWRL2D42IFVZVNSDTRYMU}

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	2026-05-18T02:25:25.192684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39ccf60ad15e87cd20b5cd5b21ce386525beb17d01877794cf4f6d2b0d6fab32

Aliases

arxiv: hep-th/9307012 · arxiv_version: hep-th/9307012v2 · doi: 10.48550/arxiv.hep-th/9307012 · pith_short_12: HHGPMCWRL2D4 · pith_short_16: HHGPMCWRL2D42IFV · pith_short_8: HHGPMCWR

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/HHGPMCWRL2D42IFVZVNSDTRYMU \
  | 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: 39ccf60ad15e87cd20b5cd5b21ce386525beb17d01877794cf4f6d2b0d6fab32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "033443e6291a51ce55e10b2952a2d5280504b38327daa1d6fceb62b88c82fa2d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-07-02T10:51:45Z",
    "title_canon_sha256": "56550e10de55380f1040927dbc6e5579b19bc5305151308fee35f23c4943455b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9307012",
    "kind": "arxiv",
    "version": 2
  }
}