Pith Number

pith:DRZMESPX

pith:2013:DRZMESPXXS77TY7EWKMRLTKPRP

not attested not anchored not stored refs pending

Dynamics of scalar perturbations in f(R,T) gravity

A. de la Cruz-Dombriz, D. S\'aez-G\'omez, F. G. Alvarenga, M. E. Rodrigues, M. J. S. Houndjo

arxiv:1302.1866 v2 · 2013-02-07 · 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{DRZMESPXXS77TY7EWKMRLTKPRP}

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

Cosmological Averaging in Nonminimally Coupled Gravity

Receipt and verification

First computed	2026-05-18T03:20:35.209694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c72c249f7bcbff9e3e4b29915cd4f8bcf3b4ae72c2011e8953b8b26fd1c0252

Aliases

arxiv: 1302.1866 · arxiv_version: 1302.1866v2 · doi: 10.48550/arxiv.1302.1866 · pith_short_12: DRZMESPXXS77 · pith_short_16: DRZMESPXXS77TY7E · pith_short_8: DRZMESPX

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/DRZMESPXXS77TY7EWKMRLTKPRP \
  | 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: 1c72c249f7bcbff9e3e4b29915cd4f8bcf3b4ae72c2011e8953b8b26fd1c0252

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "700967e993989a3cd3f25b421091ce4d5b153e2d26ed18dba5052b2c2648f1d0",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-07T18:20:52Z",
    "title_canon_sha256": "84fcc8a94627ceb8df0d6a70a96cabcb82cb78bff0c2d257f8d6c28a25440bd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1866",
    "kind": "arxiv",
    "version": 2
  }
}