Pith Number

pith:4MS4SWT4

pith:2011:4MS4SWT4EZXNWVU72YCYPQP3FF

not attested not anchored not stored refs pending

A Rotating Charged Black Hole Solution in f(R) Gravity

Alexis Larranaga

arxiv:1108.6325 v1 · 2011-08-31 · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MS4SWT4EZXNWVU72YCYPQP3FF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:00:43.824927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e325c95a7c266edb569fd60587c1fb29794dd7e56c26a319262b1f750bd99ce5

Aliases

arxiv: 1108.6325 · arxiv_version: 1108.6325v1 · doi: 10.48550/arxiv.1108.6325 · pith_short_12: 4MS4SWT4EZXN · pith_short_16: 4MS4SWT4EZXNWVU7 · pith_short_8: 4MS4SWT4

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/4MS4SWT4EZXNWVU72YCYPQP3FF \
  | 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: e325c95a7c266edb569fd60587c1fb29794dd7e56c26a319262b1f750bd99ce5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d250eca860535ad519e0a434f4e6531d462cca5ab6cd4f9504cbb506ffb5eef2",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-08-31T19:08:26Z",
    "title_canon_sha256": "69dec55e532f9520f3f9667b2bdb1984932deb514f4c17248b3abeb144e854a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.6325",
    "kind": "arxiv",
    "version": 1
  }
}