Pith Number

pith:B7RQWTGU

pith:2013:B7RQWTGUWUMOM7OVZOVSCHDA2P

not attested not anchored not stored refs pending

Geodesic study of a charged black hole

Mehedi Kalam, Nur Farhad, Sk. Monowar Hossein

arxiv:1303.4083 v1 · 2013-03-17 · 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{B7RQWTGUWUMOM7OVZOVSCHDA2P}

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	2026-05-18T01:51:01.465198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fe30b4cd4b518e67dd5cbab211c60d3d1a6be3c124a4198904092d474c3db76

Aliases

arxiv: 1303.4083 · arxiv_version: 1303.4083v1 · doi: 10.48550/arxiv.1303.4083 · pith_short_12: B7RQWTGUWUMO · pith_short_16: B7RQWTGUWUMOM7OV · pith_short_8: B7RQWTGU

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/B7RQWTGUWUMOM7OVZOVSCHDA2P \
  | 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: 0fe30b4cd4b518e67dd5cbab211c60d3d1a6be3c124a4198904092d474c3db76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9b7b89e22fbb31b2cab4a16ba1f12c68821768b165a87075374177f24cae40b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-17T18:09:14Z",
    "title_canon_sha256": "238983b9da2cde252e32c3fea4ac0cdebfacb4de150d6471e04d4d1a42f52215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4083",
    "kind": "arxiv",
    "version": 1
  }
}