Pith Number

pith:KL6GHHIK

pith:2009:KL6GHHIKM5TFLMGNWVJSLXKGXI

not attested not anchored not stored refs pending

The nature of singularity in multidimensional anisotropic Gauss-Bonnet cosmology with a perfect fluid

A.N. Makarenko, A.V. Toporensky, I.V. Kirnos, S.A. Pavluchenko

arxiv:0906.0140 v1 · 2009-05-31 · 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{KL6GHHIKM5TFLMGNWVJSLXKGXI}

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	2026-05-18T02:34:46.032342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52fc639d0a676655b0cdb55325dd46ba3c43550e757dade8bc21da96729cfd0c

Aliases

arxiv: 0906.0140 · arxiv_version: 0906.0140v1 · doi: 10.48550/arxiv.0906.0140 · pith_short_12: KL6GHHIKM5TF · pith_short_16: KL6GHHIKM5TFLMGN · pith_short_8: KL6GHHIK

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/KL6GHHIKM5TFLMGNWVJSLXKGXI \
  | 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: 52fc639d0a676655b0cdb55325dd46ba3c43550e757dade8bc21da96729cfd0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3075dd1f6f2fa5d4fb879afd23cb91a223425b7ad91b29c4c7f0c1217c346d26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-05-31T08:20:51Z",
    "title_canon_sha256": "dc1ed4be90c3cde9801ce6067ac5a3bd5f4eb0f4484b9d70b5bf2473f0e9c135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0140",
    "kind": "arxiv",
    "version": 1
  }
}