Pith Number

pith:CUBE2NWI

pith:1995:CUBE2NWIPADM2MCKT4AEDZRGBW

not attested not anchored not stored refs pending

Exact Hypersurface-Homogeneous Solutions in Cosmology and Astrophysics

Claes Uggla, Kjell Rosquist, Robert T. Jantzen

arxiv:gr-qc/9503061 v1 · 1995-03-30 · 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{CUBE2NWIPADM2MCKT4AEDZRGBW}

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	2026-05-18T04:38:06.918925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15024d36c87806cd304a9f0041e6260da1e290c0c2665433aa21309ae9234843

Aliases

arxiv: gr-qc/9503061 · arxiv_version: gr-qc/9503061v1 · doi: 10.48550/arxiv.gr-qc/9503061 · pith_short_12: CUBE2NWIPADM · pith_short_16: CUBE2NWIPADM2MCK · pith_short_8: CUBE2NWI

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/CUBE2NWIPADM2MCKT4AEDZRGBW \
  | 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: 15024d36c87806cd304a9f0041e6260da1e290c0c2665433aa21309ae9234843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "381974f473b7bf0b27edddc266237d745518b8ac084784b78da0cc4dc9dbd59e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-03-30T17:27:16Z",
    "title_canon_sha256": "7fe56e8f869b7bf140a3cfe69005ffba106196f71b68a830d50f1b26383c3222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9503061",
    "kind": "arxiv",
    "version": 1
  }
}