Pith Number

pith:WJKXOKME

pith:1998:WJKXOKME5HKZFNHKTYJDV6GPT2

not attested not anchored not stored refs pending

so(4) Plebanski Action and Relativistic Spin Foam Model

L.Freidel, R. De Pietri

arxiv:gr-qc/9804071 v2 · 1998-04-26 · 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{WJKXOKME5HKZFNHKTYJDV6GPT2}

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

Renormalization group flows in area-metric gravity

Receipt and verification

First computed	2026-07-04T15:23:04.246166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b255772984e9d592b4ea9e123af8cf9eb5d1e6e9763c3c6447c7f79a56273d1e

Aliases

arxiv: gr-qc/9804071 · arxiv_version: gr-qc/9804071v2 · doi: 10.48550/arxiv.gr-qc/9804071 · pith_short_12: WJKXOKME5HKZ · pith_short_16: WJKXOKME5HKZFNHK · pith_short_8: WJKXOKME

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/WJKXOKME5HKZFNHKTYJDV6GPT2 \
  | 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: b255772984e9d592b4ea9e123af8cf9eb5d1e6e9763c3c6447c7f79a56273d1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a83fa2c22c52493d3c3ef6360f0cce870cdf55a04b3aef908158307294f82f5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-04-26T21:29:56Z",
    "title_canon_sha256": "157bd1c7f3ef0ea6ea31d34fd43bb3cfaed752ed6fe5be991415820d242a4b00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9804071",
    "kind": "arxiv",
    "version": 2
  }
}