Pith Number

pith:F564WRE5

pith:2017:F564WRE5GSWGZWKEXM4MWU7XG3

not attested not anchored not stored refs pending

Stable exponential cosmological solutions with two factor spaces in the Einstein-Gauss-Bonnet model with a $\Lambda$-term

A.A. Kobtsev, V. D. Ivashchuk

arxiv:1712.09703 v4 · 2017-12-27 · 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{F564WRE5GSWGZWKEXM4MWU7XG3}

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	2026-05-18T00:06:40.887953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f7dcb449d34ac6cd944bb38cb53f736c296b278e48b0362db1217f3a96d2617

Aliases

arxiv: 1712.09703 · arxiv_version: 1712.09703v4 · doi: 10.48550/arxiv.1712.09703 · pith_short_12: F564WRE5GSWG · pith_short_16: F564WRE5GSWGZWKE · pith_short_8: F564WRE5

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/F564WRE5GSWGZWKEXM4MWU7XG3 \
  | 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: 2f7dcb449d34ac6cd944bb38cb53f736c296b278e48b0362db1217f3a96d2617

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b99a3c7dd1ffe8765d3be22fe3368081975ad31b5924af3ff4748dd02212a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-27T23:01:01Z",
    "title_canon_sha256": "7ae354216567dfc5489052dc3ddbb07e5833f7e4e1c545530c49eaac30ccc8cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09703",
    "kind": "arxiv",
    "version": 4
  }
}