Pith Number

pith:FCE6HWQ5

pith:2020:FCE6HWQ52PL5VK5BC5YGZ7CWFE

not attested not anchored not stored refs pending

Stability of the Einstein Static Universe in $4 D$ Gauss-Bonnet Gravity

Hongwei Yu, Puxun Wu, Shou-Long Li

arxiv:2004.02080 v2 · 2020-04-05 · gr-qc · 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{FCE6HWQ52PL5VK5BC5YGZ7CWFE}

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

Neutron stars in 4D Einstein-Gauss-Bonnet gravity

Receipt and verification

First computed	2026-07-05T00:54:33.644481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2889e3da1dd3d7daaba117706cfc562917de41467afc1bab397bd9011d9f2f8e

Aliases

arxiv: 2004.02080 · arxiv_version: 2004.02080v2 · doi: 10.48550/arxiv.2004.02080 · pith_short_12: FCE6HWQ52PL5 · pith_short_16: FCE6HWQ52PL5VK5B · pith_short_8: FCE6HWQ5

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/FCE6HWQ52PL5VK5BC5YGZ7CWFE \
  | 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: 2889e3da1dd3d7daaba117706cfc562917de41467afc1bab397bd9011d9f2f8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06fc583189adf46dbed14732390d54d2e1783ff1b0f11a8c3c840ae6ae9e364e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-05T02:55:26Z",
    "title_canon_sha256": "50b1ce12ba06b54c24b63307bf4019a1bc1d0e58504edcfbe297111daa3a1015"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02080",
    "kind": "arxiv",
    "version": 2
  }
}