Pith Number

pith:JWJ43ZW5

pith:2010:JWJ43ZW5VZ4VLMY7FJUQGZPNAI

not attested not anchored not stored refs pending

Covariant Quantum Fields on Noncommutative Spacetimes

A. Ibort, A. P. Balachandran, G. Marmo, M. Martone

arxiv:1009.5136 v1 · 2010-09-26 · hep-th · gr-qc · math-ph · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JWJ43ZW5VZ4VLMY7FJUQGZPNAI}

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	2026-05-18T04:25:13.087283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d93cde6ddae7955b31f2a690365ed0232251ec27c6aa82cd3f13f3bce7f2c91

Aliases

arxiv: 1009.5136 · arxiv_version: 1009.5136v1 · doi: 10.48550/arxiv.1009.5136 · pith_short_12: JWJ43ZW5VZ4V · pith_short_16: JWJ43ZW5VZ4VLMY7 · pith_short_8: JWJ43ZW5

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/JWJ43ZW5VZ4VLMY7FJUQGZPNAI \
  | 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: 4d93cde6ddae7955b31f2a690365ed0232251ec27c6aa82cd3f13f3bce7f2c91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30a9bd7246a0bd93fa734e7a994405b1dbd5a1533ad1718d5a9254906ab7b74f",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-09-26T22:31:34Z",
    "title_canon_sha256": "06612eee6d54475f6760b3910d472cb28aa7f60e67b8b2f3c404dc26d01265d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5136",
    "kind": "arxiv",
    "version": 1
  }
}