Pith Number

pith:RWI5WGJO

pith:2009:RWI5WGJOOIPEIKVKZ63OZCZQ2R

not attested not anchored not stored refs pending

A generalized Heckmann-Schucking cosmological solution in the presence of a negative cosmological constant

Alexander Yu. Kamenshchik, Chiara M.F. Mingarelli

arxiv:0909.4227 v1 · 2009-09-23 · 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{RWI5WGJOOIPEIKVKZ63OZCZQ2R}

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.

Cited by

1 paper in Pith

Bianchi-I Cosmology with Radiation in Asymptotically Safe Gravity

Receipt and verification

First computed	2026-05-18T02:34:27.995800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d91db192e721e442aaacfb6ec8b30d46d2ddc8b375ea23dff38eabecdae6518

Aliases

arxiv: 0909.4227 · arxiv_version: 0909.4227v1 · doi: 10.48550/arxiv.0909.4227 · pith_short_12: RWI5WGJOOIPE · pith_short_16: RWI5WGJOOIPEIKVK · pith_short_8: RWI5WGJO

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/RWI5WGJOOIPEIKVKZ63OZCZQ2R \
  | 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: 8d91db192e721e442aaacfb6ec8b30d46d2ddc8b375ea23dff38eabecdae6518

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "526957250390d56c8dd46d57a1a909c3a61b2e53294fbfbfbfd26f58fbbae6a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-09-23T15:24:23Z",
    "title_canon_sha256": "8c27e6032c7cf0adb2710bec9ffa5504ca33f73f61bb4beb38cd1de4e11088c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4227",
    "kind": "arxiv",
    "version": 1
  }
}