Pith Number

pith:IVBQ4SIR

pith:2012:IVBQ4SIRYLIK3W5GJCIMJ44BSU

not attested not anchored not stored refs pending

C*-algebras of Holonomy-Diffeomorphisms & Quantum Gravity I

Jesper M. Grimstrup, Johannes Aastrup

arxiv:1209.5060 v2 · 2012-09-23 · math-ph · gr-qc · hep-th · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVBQ4SIRYLIK3W5GJCIMJ44BSU}

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	2026-05-18T01:54:19.813435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45430e4911c2d0addba64890c4f3819504616f45135d502c7b9366db1352f685

Aliases

arxiv: 1209.5060 · arxiv_version: 1209.5060v2 · doi: 10.48550/arxiv.1209.5060 · pith_short_12: IVBQ4SIRYLIK · pith_short_16: IVBQ4SIRYLIK3W5G · pith_short_8: IVBQ4SIR

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/IVBQ4SIRYLIK3W5GJCIMJ44BSU \
  | 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: 45430e4911c2d0addba64890c4f3819504616f45135d502c7b9366db1352f685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9184a2b2d0a06f66b8aabb8685534952558157631a9a5f4247a508f75bc570b8",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-09-23T12:09:00Z",
    "title_canon_sha256": "f59be789ecdbaa080c4c4ea0e9d460db6e8cfda57286948501d927a44f3d4a99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5060",
    "kind": "arxiv",
    "version": 2
  }
}