Pith Number

pith:NV5WW656

pith:2011:NV5WW656KVLQ7XI64ZBTMVQ2IP

not attested not anchored not stored refs pending

Homogeneous Killing spinor space-times

Norbert Van den Bergh

arxiv:1108.2428 v4 · 2011-08-11 · 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{NV5WW656KVLQ7XI64ZBTMVQ2IP}

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	2026-05-18T02:00:55.115040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7b6b7bbe55570fdd1ee64336561a43e5e88352b12634aac221190025276a00

Aliases

arxiv: 1108.2428 · arxiv_version: 1108.2428v4 · doi: 10.48550/arxiv.1108.2428 · pith_short_12: NV5WW656KVLQ · pith_short_16: NV5WW656KVLQ7XI6 · pith_short_8: NV5WW656

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/NV5WW656KVLQ7XI64ZBTMVQ2IP \
  | 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: 6d7b6b7bbe55570fdd1ee64336561a43e5e88352b12634aac221190025276a00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "282a0876f92bbb429322cf7184ffd386c72ed5aed3044200ec199c28a819f961",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-08-11T15:19:00Z",
    "title_canon_sha256": "17c0e49cd5aad70d3e61cbd9a24643f3f9cd431e0f058803d6d1c4b667e9fed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2428",
    "kind": "arxiv",
    "version": 4
  }
}