Pith Number

pith:5ZM3PVYY

pith:2021:5ZM3PVYYPRJA2LITOWSJTLFR5Z

not attested not anchored not stored refs pending

How a conformally flat (GR)4 impacts Gauss-Bonnet gravity?

Avik De, P.K. Sahoo, Raja Solanki, Tee-How Loo

arxiv:2107.02889 v2 · 2021-07-05 · 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{5ZM3PVYYPRJA2LITOWSJTLFR5Z}

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	2026-07-05T03:31:28.730965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee59b7d7187c520d2d1375a499acb1ee6863d4b0f9054462a87c5bf6eb37051c

Aliases

arxiv: 2107.02889 · arxiv_version: 2107.02889v2 · doi: 10.48550/arxiv.2107.02889 · pith_short_12: 5ZM3PVYYPRJA · pith_short_16: 5ZM3PVYYPRJA2LIT · pith_short_8: 5ZM3PVYY

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/5ZM3PVYYPRJA2LITOWSJTLFR5Z \
  | 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: ee59b7d7187c520d2d1375a499acb1ee6863d4b0f9054462a87c5bf6eb37051c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ad2061c9b628cdc1c274b92860e120d8b8d73b5127bcbb1cc82a9ba19c3e6df",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-07-05T15:28:12Z",
    "title_canon_sha256": "a3f8e934442766e9df198384593e8c669b80c5c3936250785f8681f6bd05ce0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.02889",
    "kind": "arxiv",
    "version": 2
  }
}