Pith Number

pith:RBLBYM6Y

pith:2009:RBLBYM6YUWFVEXCFO2QYK4BHBV

not attested not anchored not stored refs pending

Generalized Painleve-Gullstrand descriptions of Kerr-Newman black holes

Chopin Soo, Huei-Chen Lin

arxiv:0905.3244 v3 · 2009-05-20 · gr-qc · 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{RBLBYM6YUWFVEXCFO2QYK4BHBV}

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	2026-05-18T03:36:37.411200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88561c33d8a58b525c4576a18570270d7aa1d6d1e8815c639f7b6930c2dcfd6f

Aliases

arxiv: 0905.3244 · arxiv_version: 0905.3244v3 · doi: 10.48550/arxiv.0905.3244 · pith_short_12: RBLBYM6YUWFV · pith_short_16: RBLBYM6YUWFVEXCF · pith_short_8: RBLBYM6Y

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/RBLBYM6YUWFVEXCFO2QYK4BHBV \
  | 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: 88561c33d8a58b525c4576a18570270d7aa1d6d1e8815c639f7b6930c2dcfd6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1158441f1ce85fe32a1f23c8fedd81700aadc0481b76eed00f122b3a4277e27",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-05-20T14:16:02Z",
    "title_canon_sha256": "49dab8c9d626167fe1e5865eb1421316013c7923a97ee982926f607254732186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3244",
    "kind": "arxiv",
    "version": 3
  }
}