Pith Number

pith:ODCURUXV

pith:2022:ODCURUXVPTPJ6XVDLD7CZU7EDX

not attested not anchored not stored refs pending

Observational constraints on varying fundamental constants in a minimal CPC model

R. F. L. Holanda, R. R. Cuzinatto, S. H. Pereira

arxiv:2202.01371 v3 · 2022-02-03 · gr-qc · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ODCURUXVPTPJ6XVDLD7CZU7EDX}

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	2026-07-05T05:29:25.925485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70c548d2f57cde9f5ea358fe2cd3e41de0c81239c4a339dcafcae6ba7802a7a8

Aliases

arxiv: 2202.01371 · arxiv_version: 2202.01371v3 · doi: 10.48550/arxiv.2202.01371 · pith_short_12: ODCURUXVPTPJ · pith_short_16: ODCURUXVPTPJ6XVD · pith_short_8: ODCURUXV

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/ODCURUXVPTPJ6XVDLD7CZU7EDX \
  | 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: 70c548d2f57cde9f5ea358fe2cd3e41de0c81239c4a339dcafcae6ba7802a7a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8e272b1d76a9f5cfb770623a7c8b45dee6cd2ffa7f42425e728f33bf04516b3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-02-03T02:09:26Z",
    "title_canon_sha256": "83c030c9f417e2185189aa4ee1abf6a207cb02808a19a3391333ae43d28f07e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.01371",
    "kind": "arxiv",
    "version": 3
  }
}