Pith Number

pith:4E5YFTDV

pith:2018:4E5YFTDVDPTCD7L3UVNWHLQQNA

not attested not anchored not stored refs pending

Horizon thermodynamics in $f(R)$ theory

Rong-Jia Yang, Yaoguang Zheng

arxiv:1806.09858 v2 · 2018-06-26 · 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{4E5YFTDVDPTCD7L3UVNWHLQQNA}

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

3-dimensional charged black holes in $f({Q})$ gravity

Receipt and verification

First computed	2026-05-18T00:06:37.801450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e13b82cc751be621fd7ba55b63ae10681186c06f27d3265227fb0ec078099f7b

Aliases

arxiv: 1806.09858 · arxiv_version: 1806.09858v2 · doi: 10.48550/arxiv.1806.09858 · pith_short_12: 4E5YFTDVDPTC · pith_short_16: 4E5YFTDVDPTCD7L3 · pith_short_8: 4E5YFTDV

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/4E5YFTDVDPTCD7L3UVNWHLQQNA \
  | 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: e13b82cc751be621fd7ba55b63ae10681186c06f27d3265227fb0ec078099f7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "719d37a4af377def2b9581bfcdc07007d23219f5b61134b0c1f579bad6350653",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-06-26T09:09:54Z",
    "title_canon_sha256": "9e51ccfb1d0d83a8dc8fd4bb977c9efd25246fb6f0f019afa9e50576e744b1e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09858",
    "kind": "arxiv",
    "version": 2
  }
}