Pith Number

pith:TCP567QK

pith:2011:TCP567QK5V3PXTEWCG2RD4H3JF

not attested not anchored not stored refs pending

Some exact solutions of F(R) gravity with charged (a)dS black hole interpretation

B. Eslam Panah, S. H. Hendi, S. M. Mousavi

arxiv:1102.0089 v4 · 2011-02-01 · hep-th · 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{TCP567QK5V3PXTEWCG2RD4H3JF}

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	2026-05-18T02:22:41.476034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

989fdf7e0aed76fbcc9611b511f0fb497f9904a8ecca37033056c3ad11ed1727

Aliases

arxiv: 1102.0089 · arxiv_version: 1102.0089v4 · doi: 10.48550/arxiv.1102.0089 · pith_short_12: TCP567QK5V3P · pith_short_16: TCP567QK5V3PXTEW · pith_short_8: TCP567QK

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/TCP567QK5V3PXTEWCG2RD4H3JF \
  | 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: 989fdf7e0aed76fbcc9611b511f0fb497f9904a8ecca37033056c3ad11ed1727

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "755eca686468cbe03958d1a112e9aea63e64d8db9b695f91aa0f3ac418afa5e5",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-02-01T07:54:46Z",
    "title_canon_sha256": "e3561e4f0fac64c4984ec246319893bb24deabda14ffb53f437ab818210f70a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0089",
    "kind": "arxiv",
    "version": 4
  }
}