Pith Number

pith:HA2IH3Q5

pith:2015:HA2IH3Q5YUCQQVSOM5CVKDXMSO

not attested not anchored not stored refs pending

The Massive Dirac Equation in the Kerr Geometry: Separability in Eddington-Finkelstein-type Coordinates and Asymptotics

Christian R\"oken

arxiv:1506.08038 v6 · 2015-06-26 · gr-qc · math-ph · 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{HA2IH3Q5YUCQQVSOM5CVKDXMSO}

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	2026-05-17T23:53:12.211449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

383483ee1dc50508564e6745550eec938ae8bfec9c278545ea86e4cd37fadc7a

Aliases

arxiv: 1506.08038 · arxiv_version: 1506.08038v6 · doi: 10.48550/arxiv.1506.08038 · pith_short_12: HA2IH3Q5YUCQ · pith_short_16: HA2IH3Q5YUCQQVSO · pith_short_8: HA2IH3Q5

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/HA2IH3Q5YUCQQVSOM5CVKDXMSO \
  | 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: 383483ee1dc50508564e6745550eec938ae8bfec9c278545ea86e4cd37fadc7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae783dc9e0bab99092f25ba6e1e58d407ebd0ff02d5b9017fb3acf7c605a7606",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-06-26T12:03:45Z",
    "title_canon_sha256": "d854c5ed0da3b7940e727faa9b6d78641755521e9f198a8550a3d963d6f8336d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08038",
    "kind": "arxiv",
    "version": 6
  }
}