Pith Number

pith:36QOT6QP

pith:2010:36QOT6QPE4ZDPTKK5SEKLWSH3E

not attested not anchored not stored refs pending

Equivalence between Palatini and metric formalisms of f(R)-gravity by divergence free current

Daniele Vernieri, Farhad Darabi, Salvatore Capozziello

arxiv:1006.0454 v1 · 2010-06-02 · 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{36QOT6QPE4ZDPTKK5SEKLWSH3E}

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	2026-05-18T04:31:22.455602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfa0e9fa0f273237cd4aec88a5da47d92eea0bf8565b5076dfe6eb57ce599823

Aliases

arxiv: 1006.0454 · arxiv_version: 1006.0454v1 · doi: 10.48550/arxiv.1006.0454 · pith_short_12: 36QOT6QPE4ZD · pith_short_16: 36QOT6QPE4ZDPTKK · pith_short_8: 36QOT6QP

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/36QOT6QPE4ZDPTKK5SEKLWSH3E \
  | 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: dfa0e9fa0f273237cd4aec88a5da47d92eea0bf8565b5076dfe6eb57ce599823

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6f3e7edf5b1ae8fa8d7a3f0da412d5b9fab48d72910f2c1bbd3d5137dfd9e5d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-06-02T17:37:01Z",
    "title_canon_sha256": "d299ad9aa2972bb4182ede481ec1b3e837699de4be5db78f019f9341d8ad445e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.0454",
    "kind": "arxiv",
    "version": 1
  }
}