Pith Number

pith:SO4O2OCB

pith:2014:SO4O2OCBSLOSZBWMBJSSS4EBC4

not attested not anchored not stored refs pending

Constant volume exponential solutions in Einstein-Gauss-Bonnet flat anisotropic cosmology with a perfect fluid

Alexey Toporensky, Dmitry Chirkov, Sergey A. Pavluchenko

arxiv:1403.4625 v2 · 2014-03-18 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SO4O2OCBSLOSZBWMBJSSS4EBC4}

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	2026-05-18T02:31:11.857828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93b8ed384192dd2c86cc0a65297081173bf3d1f9ee731592a269f6ca04ecbee3

Aliases

arxiv: 1403.4625 · arxiv_version: 1403.4625v2 · doi: 10.48550/arxiv.1403.4625 · pith_short_12: SO4O2OCBSLOS · pith_short_16: SO4O2OCBSLOSZBWM · pith_short_8: SO4O2OCB

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/SO4O2OCBSLOSZBWMBJSSS4EBC4 \
  | 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: 93b8ed384192dd2c86cc0a65297081173bf3d1f9ee731592a269f6ca04ecbee3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "235025b5ecbf25d92bb0cfc5fdc8e3233454c4f4bca2fd9e1531fc732afc705a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-03-18T21:22:33Z",
    "title_canon_sha256": "ca79ddbded770be4574b35b56241d7a2ada9790e96ef55201fdffb0ed0e8288a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4625",
    "kind": "arxiv",
    "version": 2
  }
}