Pith Number

pith:RHZSOTGE

pith:2019:RHZSOTGE7XBTGT6UFRFUOKIZRQ

not attested not anchored not stored refs pending

Charged spherically symmetric black holes in $f(R)$ gravity and their stability analysis

Gamal G. L. Nashed, Salvatore Capozziello

arxiv:1902.06783 v4 · 2019-02-18 · gr-qc · astro-ph.HE · 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{RHZSOTGE7XBTGT6UFRFUOKIZRQ}

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	2026-05-17T23:40:23.638659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89f3274cc4fdc3334fd42c4b4729198c20bb3bb158642ec716451941932e9ca3

Aliases

arxiv: 1902.06783 · arxiv_version: 1902.06783v4 · doi: 10.48550/arxiv.1902.06783 · pith_short_12: RHZSOTGE7XBT · pith_short_16: RHZSOTGE7XBTGT6U · pith_short_8: RHZSOTGE

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/RHZSOTGE7XBTGT6UFRFUOKIZRQ \
  | 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: 89f3274cc4fdc3334fd42c4b4729198c20bb3bb158642ec716451941932e9ca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9328bbf1c255d7d62964e20ffb8b0e29311edaf411a952d88f5d89c4fe8524d2",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-18T20:11:53Z",
    "title_canon_sha256": "bd595808f8a76d19a241a5982f656756396d645f94c88cfbf015cd4d5f77a6f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06783",
    "kind": "arxiv",
    "version": 4
  }
}