Pith Number

pith:QL5K3OU6

pith:2008:QL5K3OU6RZAD5N2GYT7CPDQVBU

not attested not anchored not stored refs pending

The Dirac Equation in Kerr-Newman-AdS Black Hole Background

Francesco Belgiorno, Sergio L. Cacciatori

arxiv:0803.2496 v3 · 2008-03-17 · math-ph · gr-qc · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QL5K3OU6RZAD5N2GYT7CPDQVBU}

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	2026-05-18T02:35:23.083297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82faadba9e8e403eb746c4fe278e150d0859256c8ddec24f198bcd66e590f66c

Aliases

arxiv: 0803.2496 · arxiv_version: 0803.2496v3 · doi: 10.48550/arxiv.0803.2496 · pith_short_12: QL5K3OU6RZAD · pith_short_16: QL5K3OU6RZAD5N2G · pith_short_8: QL5K3OU6

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/QL5K3OU6RZAD5N2GYT7CPDQVBU \
  | 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: 82faadba9e8e403eb746c4fe278e150d0859256c8ddec24f198bcd66e590f66c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ae0b2c65075981be126b1a85550e8a27921400d93ab9a72c9d8a39feeab656d",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2008-03-17T17:48:11Z",
    "title_canon_sha256": "2b56781070ed4c40acbfe075cc8f5b60d889255bf5333ab0d571e709b0a55910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.2496",
    "kind": "arxiv",
    "version": 3
  }
}