Pith Number

pith:UVCAR4KV

pith:2022:UVCAR4KVT5K2KRTBMGXRND6BAC

not attested not anchored not stored refs pending

Modified gravity and cosmology with nonminimal (derivative) coupling between matter and the Einstein tensor

Andreas Lymperis, Emmanuel N. Saridakis, Maria Petronikolou, Petros Asimakis, Spyros Basilakos

arxiv:2212.03821 v2 · 2022-12-07 · gr-qc · astro-ph.CO · 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{UVCAR4KVT5K2KRTBMGXRND6BAC}

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

Non-singular bounce solutions in Myrzakulov $f(R,T)$ gravity

Receipt and verification

First computed	2026-07-05T06:10:25.032076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a54408f1559f55a5466161af168fc10097eb9e7bab17b8aa0c67d4d872233435

Aliases

arxiv: 2212.03821 · arxiv_version: 2212.03821v2 · doi: 10.48550/arxiv.2212.03821 · pith_short_12: UVCAR4KVT5K2 · pith_short_16: UVCAR4KVT5K2KRTB · pith_short_8: UVCAR4KV

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/UVCAR4KVT5K2KRTBMGXRND6BAC \
  | 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: a54408f1559f55a5466161af168fc10097eb9e7bab17b8aa0c67d4d872233435

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ab3cc5d3b128657de2ca91326d5c2e86dd71346836231566c92f75eaa8b5129",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-12-07T18:00:05Z",
    "title_canon_sha256": "8df981a732b5b307758f468429e31f769066488f335b6ffcd913761cda728a4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.03821",
    "kind": "arxiv",
    "version": 2
  }
}