Pith Number

pith:SC4RZWQW

pith:2014:SC4RZWQWT6HSNAHOP3FCV4GATX

not attested not anchored not stored refs pending

Thermodynamic approach to field equations in Lovelock gravity and f(R) gravity revisited

Fang-Fang Yuan, Yan-Gang Miao, Zheng-Zheng Zhang

arxiv:1407.1698 v2 · 2014-07-07 · gr-qc · 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{SC4RZWQWT6HSNAHOP3FCV4GATX}

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	2026-05-18T02:39:55.433594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90b91cda169f8f2680ee7eca2af0c09dca13fdf95d7ae4c56ccb469127f6e8ad

Aliases

arxiv: 1407.1698 · arxiv_version: 1407.1698v2 · doi: 10.48550/arxiv.1407.1698 · pith_short_12: SC4RZWQWT6HS · pith_short_16: SC4RZWQWT6HSNAHO · pith_short_8: SC4RZWQW

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/SC4RZWQWT6HSNAHOP3FCV4GATX \
  | 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: 90b91cda169f8f2680ee7eca2af0c09dca13fdf95d7ae4c56ccb469127f6e8ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c06f33f7736738c90b162ce10d255f5d0492e787a369fb7c4a27ff2999d34a04",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-07-07T13:00:24Z",
    "title_canon_sha256": "2934de370d949d87d17164e189371351b9d4d4b851cc1d548b3823dcfc443294"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1698",
    "kind": "arxiv",
    "version": 2
  }
}