Pith Number

pith:DCJZ5TCH

pith:2018:DCJZ5TCHH3FSVB2USXTI7MOXYG

not attested not anchored not stored refs pending

Pressure effects in the weak-field limit of f(R) = R + alpha R^2 gravity

Fulvio Sbis\`a, Oliver F. Piattella, Sergio E. Jor\'as

arxiv:1811.01322 v3 · 2018-11-04 · gr-qc · astro-ph.SR · 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{DCJZ5TCHH3FSVB2USXTI7MOXYG}

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	2026-05-17T23:44:58.700538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18939ecc473ecb2a875495e68fb1d7c1a0c1fda04f3968f6cf48928a6d00d103

Aliases

arxiv: 1811.01322 · arxiv_version: 1811.01322v3 · doi: 10.48550/arxiv.1811.01322 · pith_short_12: DCJZ5TCHH3FS · pith_short_16: DCJZ5TCHH3FSVB2U · pith_short_8: DCJZ5TCH

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/DCJZ5TCHH3FSVB2USXTI7MOXYG \
  | 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: 18939ecc473ecb2a875495e68fb1d7c1a0c1fda04f3968f6cf48928a6d00d103

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc92a5d43e59961827f2a656e16c14b9d1df4b28a2ab6c265a7ba69d447b2c8e",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-04T04:34:04Z",
    "title_canon_sha256": "7d2e549089b79389102ec2c2ffc9798c13f0e59ffd1d99139e0f38dd674c0a1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01322",
    "kind": "arxiv",
    "version": 3
  }
}