Pith Number

pith:OHEI34KQ

pith:2019:OHEI34KQQIW4BN2SBIEJTAGWB2

not attested not anchored not stored refs pending

Cylindrical symmetric, non-rotating and non-static or static black hole solutions and the naked singularities

Faizuddin Ahmed

arxiv:1904.04660 v2 · 2019-04-08 · physics.gen-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OHEI34KQQIW4BN2SBIEJTAGWB2}

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	2026-05-17T23:42:49.774084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71c88df150822dc0b7520a089980d60eae5faa28e3f4eefbcb3ec244d644642b

Aliases

arxiv: 1904.04660 · arxiv_version: 1904.04660v2 · doi: 10.48550/arxiv.1904.04660 · pith_short_12: OHEI34KQQIW4 · pith_short_16: OHEI34KQQIW4BN2S · pith_short_8: OHEI34KQ

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/OHEI34KQQIW4BN2SBIEJTAGWB2 \
  | 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: 71c88df150822dc0b7520a089980d60eae5faa28e3f4eefbcb3ec244d644642b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fe2e6c140df180f14065455a458928437f487a3683d0786218c9569229fbcd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2019-04-08T14:56:42Z",
    "title_canon_sha256": "3e2a5017529b5a0575c57d991b1d9ea697ce14a877a8a905345a5029ceea4bb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04660",
    "kind": "arxiv",
    "version": 2
  }
}