Pith Number

pith:X2SUKLTZ

pith:2012:X2SUKLTZCR7JBZIWXX4T5WRGDQ

not attested not anchored not stored refs pending

One-loop F(R,P,Q) gravity in de Sitter universe

Guido Cognola, Sergio Zerbini

arxiv:1203.5032 v1 · 2012-03-22 · 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{X2SUKLTZCR7JBZIWXX4T5WRGDQ}

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	2026-05-18T01:58:04.460017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bea5452e79147e90e516bdf93eda261c31eb1a157f50d3257e8826712b1a1723

Aliases

arxiv: 1203.5032 · arxiv_version: 1203.5032v1 · doi: 10.48550/arxiv.1203.5032 · pith_short_12: X2SUKLTZCR7J · pith_short_16: X2SUKLTZCR7JBZIW · pith_short_8: X2SUKLTZ

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/X2SUKLTZCR7JBZIWXX4T5WRGDQ \
  | 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: bea5452e79147e90e516bdf93eda261c31eb1a157f50d3257e8826712b1a1723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f66fc88e0819ea8ea9d57cbfaf2562630d857a3af725d7c73ef84a28cfbcaa87",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-22T16:25:55Z",
    "title_canon_sha256": "7e49f2eaf5431045b3492a3e0a82ca9e63d33517791a9ca01e3edf41b50b1e38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5032",
    "kind": "arxiv",
    "version": 1
  }
}