Pith Number

pith:37FFEXIC

pith:2012:37FFEXICSVLZG2K7QK46YJ5T3B

not attested not anchored not stored refs pending

Existence of Reissner-Nordstrom type black holes in f(R) gravity

M. Halilsoy, M. Kerachian, S. Habib Mazharimousavi

arxiv:1210.4696 v2 · 2012-10-17 · 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{37FFEXICSVLZG2K7QK46YJ5T3B}

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	2026-05-18T03:13:00.280959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfca525d02955793695f82b9ec27b3d8443f7ac9f23c52bac2a311c2314711a6

Aliases

arxiv: 1210.4696 · arxiv_version: 1210.4696v2 · doi: 10.48550/arxiv.1210.4696 · pith_short_12: 37FFEXICSVLZ · pith_short_16: 37FFEXICSVLZG2K7 · pith_short_8: 37FFEXIC

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/37FFEXICSVLZG2K7QK46YJ5T3B \
  | 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: dfca525d02955793695f82b9ec27b3d8443f7ac9f23c52bac2a311c2314711a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8eac80dad7ca85a1f8f83d5bc65e6fe0236523e092b974512ceebaa81cc1aa34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-10-17T11:16:02Z",
    "title_canon_sha256": "70cf9f8d9c326ef211372bcdc18bcf394913e3243130c34052601e5629d6014c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4696",
    "kind": "arxiv",
    "version": 2
  }
}