Pith Number

pith:CLEFBQME

pith:2021:CLEFBQMEGVKVFFSAMJUBHBHMBC

not attested not anchored not stored refs pending

A Conformally Flat Generalized Ricci Recurrent Spacetime in F(R)-Gravity

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

arxiv:2101.11576 v3 · 2021-01-27 · 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{CLEFBQMEGVKVFFSAMJUBHBHMBC}

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	2026-07-05T02:40:09.956421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12c850c184355552964062681384ec088449f642cde0eb63d0360bcc106adba2

Aliases

arxiv: 2101.11576 · arxiv_version: 2101.11576v3 · doi: 10.48550/arxiv.2101.11576 · pith_short_12: CLEFBQMEGVKV · pith_short_16: CLEFBQMEGVKVFFSA · pith_short_8: CLEFBQME

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/CLEFBQMEGVKVFFSAMJUBHBHMBC \
  | 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: 12c850c184355552964062681384ec088449f642cde0eb63d0360bcc106adba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e48aa71dc47e261e8f5ecde63e613ea164aa5cc5757cc4eca15e2fd039bd60cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-01-27T18:05:02Z",
    "title_canon_sha256": "06eefd18d88f55cc6d1b91bec1a4b80a4f2f81c357b8fdb2471e9a585c72e8d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11576",
    "kind": "arxiv",
    "version": 3
  }
}