Pith Number

pith:WJVBFT2O

pith:1996:WJVBFT2OTO7GHMMOWPZ27PMCFK

not attested not anchored not stored refs pending

Universality of Einstein Equations for the Ricci Squared Lagrangians

A. Borowiec, I. Volovich, M. Ferraris, M. Francaviglia

arxiv:gr-qc/9611067 v1 · 1996-11-28 · 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{WJVBFT2OTO7GHMMOWPZ27PMCFK}

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	2026-05-18T04:17:52.606968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b26a12cf4e9bbe63b18eb3f3afbd822aa0c2804dc5cd76349b5c9473b9a6d053

Aliases

arxiv: gr-qc/9611067 · arxiv_version: gr-qc/9611067v1 · doi: 10.48550/arxiv.gr-qc/9611067 · pith_short_12: WJVBFT2OTO7G · pith_short_16: WJVBFT2OTO7GHMMO · pith_short_8: WJVBFT2O

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/WJVBFT2OTO7GHMMOWPZ27PMCFK \
  | 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: b26a12cf4e9bbe63b18eb3f3afbd822aa0c2804dc5cd76349b5c9473b9a6d053

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd4378564556fce5ad7b2a225f8b281cba42ee91ea12a124ea863382f5a2bc3b",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-11-28T12:09:32Z",
    "title_canon_sha256": "a90f6aa2f880a5d0e215fd471c3449705791432bf2cdda30b67ad28415c7a249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9611067",
    "kind": "arxiv",
    "version": 1
  }
}