Pith Number

pith:XQHSOOFR

pith:2015:XQHSOOFRDBHGZCOURPDNQZH4OW

not attested not anchored not stored refs pending

The Dirac equation in the Kerr-de Sitter metric

D. Batic, K. Morgan, M. Nowakowski, S.Bravo Medina

arxiv:1509.00452 v1 · 2015-09-01 · 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{XQHSOOFRDBHGZCOURPDNQZH4OW}

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	2026-05-18T00:10:57.440044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc0f2738b1184e6c89d48bc6d864fc75a4d36458a477a86669fd29861014f8c8

Aliases

arxiv: 1509.00452 · arxiv_version: 1509.00452v1 · doi: 10.48550/arxiv.1509.00452 · pith_short_12: XQHSOOFRDBHG · pith_short_16: XQHSOOFRDBHGZCOU · pith_short_8: XQHSOOFR

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/XQHSOOFRDBHGZCOURPDNQZH4OW \
  | 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: bc0f2738b1184e6c89d48bc6d864fc75a4d36458a477a86669fd29861014f8c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c2917fd2cc3952940996e55c548f6e24aa59ae0c4a4581b94ce06f0b69b6d9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-01T19:30:09Z",
    "title_canon_sha256": "0004b3225e2f59fdb10076ae0a7f709cf4ec35155a42924f384767cfa8d6ba1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00452",
    "kind": "arxiv",
    "version": 1
  }
}