Pith Number

pith:CSUOD73E

pith:2004:CSUOD73EGSMA7E73NDII3QS5MO

not attested not anchored not stored refs pending

Renormalization for spin foam models of quantum gravity

Robert Oeckl (CPT)

arxiv:gr-qc/0401087 v1 · 2004-01-20 · gr-qc · 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{CSUOD73EGSMA7E73NDII3QS5MO}

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	2026-05-18T00:59:50.603286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14a8e1ff6434980f93fb68d08dc25d63908d0d5b439ae8e0e2fb81a01beb0220

Aliases

arxiv: gr-qc/0401087 · arxiv_version: gr-qc/0401087v1 · doi: 10.48550/arxiv.gr-qc/0401087 · pith_short_12: CSUOD73EGSMA · pith_short_16: CSUOD73EGSMA7E73 · pith_short_8: CSUOD73E

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/CSUOD73EGSMA7E73NDII3QS5MO \
  | 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: 14a8e1ff6434980f93fb68d08dc25d63908d0d5b439ae8e0e2fb81a01beb0220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c31f245812321183f643d3f0be84bd9fdc1de8cdbdeab32b1b476ad8d309aed",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-01-20T19:12:26Z",
    "title_canon_sha256": "e748956a0f61e2a8046810e9be9a3145b3c331b4515989f8e5fa517568f98b86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0401087",
    "kind": "arxiv",
    "version": 1
  }
}