Pith Number

pith:3XI4UCUS

pith:2018:3XI4UCUSCCWHE3C3ETKZIURLHQ

not attested not anchored not stored refs pending

Quadratic curvature theories formulated as Covariant Canonical Gauge theories of Gravity

David Benisty, David Vasak, Eduardo I. Guendelman, Horst Stoecker, Jurgen Struckmeier

arxiv:1809.10447 v2 · 2018-09-27 · 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{3XI4UCUSCCWHE3C3ETKZIURLHQ}

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	2026-05-17T23:59:04.882270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddd1ca0a9210ac726c5b24d594522b3c0b3bb28c967c917d0308c60d6eeaed31

Aliases

arxiv: 1809.10447 · arxiv_version: 1809.10447v2 · doi: 10.48550/arxiv.1809.10447 · pith_short_12: 3XI4UCUSCCWH · pith_short_16: 3XI4UCUSCCWHE3C3 · pith_short_8: 3XI4UCUS

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/3XI4UCUSCCWHE3C3ETKZIURLHQ \
  | 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: ddd1ca0a9210ac726c5b24d594522b3c0b3bb28c967c917d0308c60d6eeaed31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "993cd79dde67b25d91794e84d1248900b260941e4ab6816465ed805b492e405b",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-09-27T10:50:42Z",
    "title_canon_sha256": "7e49c4670d4f2b580ad0f0e520907d89f7ad246a9ffc41e71f23e9d6222d1901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10447",
    "kind": "arxiv",
    "version": 2
  }
}