Pith Number

pith:LBY22FUU

pith:2017:LBY22FUUKLHZMUB2RPYRCCIR3D

not attested not anchored not stored refs pending

Kerr-Newman black hole in the formalism of isolated horizons

Ale\v{s} Flandera, Martin Scholtz, Norman G\"urlebeck

arxiv:1708.06383 v2 · 2017-08-21 · 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{LBY22FUUKLHZMUB2RPYRCCIR3D}

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	2026-05-18T00:34:22.327804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5871ad169452cf96503a8bf1110911d8c9c51301d82fa25351a017d72b72cc78

Aliases

arxiv: 1708.06383 · arxiv_version: 1708.06383v2 · doi: 10.48550/arxiv.1708.06383 · pith_short_12: LBY22FUUKLHZ · pith_short_16: LBY22FUUKLHZMUB2 · pith_short_8: LBY22FUU

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/LBY22FUUKLHZMUB2RPYRCCIR3D \
  | 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: 5871ad169452cf96503a8bf1110911d8c9c51301d82fa25351a017d72b72cc78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1047e7928ea9437c1a580af92174cdf5e2fea35fef6d1a731b0a45e7e06da8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-08-21T19:07:48Z",
    "title_canon_sha256": "9bf3cb1ab1c26766f90b58bca808afbecbe236663f67b6ea86f9215a844323c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06383",
    "kind": "arxiv",
    "version": 2
  }
}