Pith Number

pith:FWG2IXNB

pith:2012:FWG2IXNB4IE5P5BHIY7NB4KYI5

not attested not anchored not stored refs pending

Thermodynamics in f(R,T) Theory of Gravity

M. Sharif, M. Zubair

arxiv:1204.0848 v2 · 2012-04-04 · 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{FWG2IXNB4IE5P5BHIY7NB4KYI5}

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	2026-05-18T01:57:57.314876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d8da45da1e209d7f427463ed0f158476b78c1fe8d9a788ce9cddcbc08f44199

Aliases

arxiv: 1204.0848 · arxiv_version: 1204.0848v2 · doi: 10.48550/arxiv.1204.0848 · pith_short_12: FWG2IXNB4IE5 · pith_short_16: FWG2IXNB4IE5P5BH · pith_short_8: FWG2IXNB

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/FWG2IXNB4IE5P5BHIY7NB4KYI5 \
  | 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: 2d8da45da1e209d7f427463ed0f158476b78c1fe8d9a788ce9cddcbc08f44199

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "736d526a350130bc513b4ff778a5eb2edfc10d70a4951be0b5bfc30a11bcf3d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-04T02:13:02Z",
    "title_canon_sha256": "b4d9b4524e44c26f2007592671e6f1200f3581b07fcd0f08e4b587145e9e0686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0848",
    "kind": "arxiv",
    "version": 2
  }
}