Pith Number

pith:3NTHBGZ7

pith:2026:3NTHBGZ7PBH22XNUPVOUTAW6JC

not attested not anchored not stored refs pending

Lorentz violating quadratic gravity

A. C. Lehum, A. Yu. Petrov, J. R. Nascimento, P. J. Porf\'irio, R. B. Alfaia, Willian Carvalho

arxiv:2603.02980 v3 · 2026-03-03 · hep-th · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NTHBGZ7PBH22XNUPVOUTAW6JC}

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	2026-06-23T01:13:04.101045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db66709b3f784fad5db47d5d4982de48aba6c86293f5b47a66556e7f97797f74

Aliases

arxiv: 2603.02980 · arxiv_version: 2603.02980v3 · doi: 10.48550/arxiv.2603.02980 · pith_short_12: 3NTHBGZ7PBH2 · pith_short_16: 3NTHBGZ7PBH22XNU · pith_short_8: 3NTHBGZ7

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/3NTHBGZ7PBH22XNUPVOUTAW6JC \
  | 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: db66709b3f784fad5db47d5d4982de48aba6c86293f5b47a66556e7f97797f74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff3dea9c1d235d795a39e70d1c620222c5193e1b2b497f7d55d8982fec92e72d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2026-03-03T13:34:19Z",
    "title_canon_sha256": "7b2e585e57cf10fe79eb1e85aab1999eed8977ceb48b49d38900c126e8862702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.02980",
    "kind": "arxiv",
    "version": 3
  }
}