Pith Number

pith:QNH6LEVT

pith:2018:QNH6LEVT3MKE3KRE2DQKWZ2LYQ

not attested not anchored not stored refs pending

Geodesics on a Kerr-Newman-(anti-)de Sitter instanton

Aidan Lindberg, Steven Rayan

arxiv:1805.08887 v2 · 2018-05-22 · math.DG · 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{QNH6LEVT3MKE3KRE2DQKWZ2LYQ}

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	2026-05-18T00:11:17.305583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834fe592b3db144daa24d0e0ab674bc421a2aee19d9e1c5c0c3ff1b29b90cc1c

Aliases

arxiv: 1805.08887 · arxiv_version: 1805.08887v2 · doi: 10.48550/arxiv.1805.08887 · pith_short_12: QNH6LEVT3MKE · pith_short_16: QNH6LEVT3MKE3KRE · pith_short_8: QNH6LEVT

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/QNH6LEVT3MKE3KRE2DQKWZ2LYQ \
  | 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: 834fe592b3db144daa24d0e0ab674bc421a2aee19d9e1c5c0c3ff1b29b90cc1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "553bd0793f72998a6d34ae1af2024d5e9a05fd5b65fb0b746361b4e44cec8a3c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-05-22T22:27:14Z",
    "title_canon_sha256": "44a9687470010ad7514b9b3eba47ca29a4b8a93f735685c8e23cc42572d33562"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08887",
    "kind": "arxiv",
    "version": 2
  }
}