Pith Number

pith:RDFVVQRI

pith:2018:RDFVVQRIBTNKEQUAD2HZCI7SIE

not attested not anchored not stored refs pending

Dynamical equivalence of $f(R)$ gravity in Jordan and Einstein frames

Alberto Saa, Saikat Chakraborty, Sanchari Pal

arxiv:1812.01694 v2 · 2018-12-04 · 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{RDFVVQRIBTNKEQUAD2HZCI7SIE}

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

The Unknown Face of Scalar-Tensor Gravitational Theories

Receipt and verification

First computed	2026-05-17T23:56:22.892867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88cb5ac2280cdaa242801e8f9123f241137ab24f7eb9244ad0e7ab54341ef528

Aliases

arxiv: 1812.01694 · arxiv_version: 1812.01694v2 · doi: 10.48550/arxiv.1812.01694 · pith_short_12: RDFVVQRIBTNK · pith_short_16: RDFVVQRIBTNKEQUA · pith_short_8: RDFVVQRI

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/RDFVVQRIBTNKEQUAD2HZCI7SIE \
  | 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: 88cb5ac2280cdaa242801e8f9123f241137ab24f7eb9244ad0e7ab54341ef528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15dcdafc73eb1b984ff2c7de5e6f7fcf7bb8e0456a18f6727bfa11c224352591",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-12-04T21:24:29Z",
    "title_canon_sha256": "9ba2bdb1143189c50bdbfab1ebf4074f84b27fe15eaf604a031c7e75abc2f93b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01694",
    "kind": "arxiv",
    "version": 2
  }
}