Pith Number

pith:NOLJ7S7V

pith:1994:NOLJ7S7VBPB4XOPAMPIU4RKKTD

not attested not anchored not stored refs pending

All electro--vacuum Majumdar--Papapetrou space--times with nonsingular black holes

Nikolai S. Nadirashvili, Piotr T. Chrusciel

arxiv:gr-qc/9412044 v1 · 1994-12-16 · 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{NOLJ7S7VBPB4XOPAMPIU4RKKTD}

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	2026-05-18T04:38:07.005301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b969fcbf50bc3cbb9e063d14e454a98e8a9500ddc552b116ae86f16d9330461

Aliases

arxiv: gr-qc/9412044 · arxiv_version: gr-qc/9412044v1 · doi: 10.48550/arxiv.gr-qc/9412044 · pith_short_12: NOLJ7S7VBPB4 · pith_short_16: NOLJ7S7VBPB4XOPA · pith_short_8: NOLJ7S7V

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/NOLJ7S7VBPB4XOPAMPIU4RKKTD \
  | 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: 6b969fcbf50bc3cbb9e063d14e454a98e8a9500ddc552b116ae86f16d9330461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3be21461f2996f3275c61a7c13d515173156b85de6023f23febee5d30af01245",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-12-16T10:42:52Z",
    "title_canon_sha256": "9166bc889e6c1a4d31bea96c5626eb65c08b0238c8a0e299cd7334790f382e96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9412044",
    "kind": "arxiv",
    "version": 1
  }
}