Pith Number

pith:5JRGFP2H

pith:2021:5JRGFP2HWBKNL4J53IP67KJHOP

not attested not anchored not stored refs pending

Exponential cosmological solutions in Einstein-Gauss-Bonnet gravity with two subspaces: general approach

Sergey A. Pavluchenko

arxiv:2104.10423 v2 · 2021-04-21 · 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{5JRGFP2HWBKNL4J53IP67KJHOP}

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	2026-07-05T02:34:21.810118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea6262bf47b054d5f13dda1fefa92773cdb3c51721d1a9b673e9e93904815619

Aliases

arxiv: 2104.10423 · arxiv_version: 2104.10423v2 · doi: 10.48550/arxiv.2104.10423 · pith_short_12: 5JRGFP2HWBKN · pith_short_16: 5JRGFP2HWBKNL4J5 · pith_short_8: 5JRGFP2H

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/5JRGFP2HWBKNL4J53IP67KJHOP \
  | 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: ea6262bf47b054d5f13dda1fefa92773cdb3c51721d1a9b673e9e93904815619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91f5698c499da93f29656b79bc9638c97c7f78dd8bca4f45e53e56ae7582d4b2",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-04-21T09:05:19Z",
    "title_canon_sha256": "11b6e9266e23bc10aab55b416d0f70c64b3fed04e91eafd82289ec50898b0ee7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10423",
    "kind": "arxiv",
    "version": 2
  }
}