Pith Number

pith:4PWDTXRZ

pith:2022:4PWDTXRZT67QNK2CGAWOHRS35B

not attested not anchored not stored refs pending

Varying alpha, blinding, and bias in existing measurements

Chung-Chi Lee, Dinko Milakovi\'c, John K. Webb, Robert F. Carswell, Victor V. Flambaum, Vladimir A. Dzuba

arxiv:2212.00791 v1 · 2022-12-01 · astro-ph.CO · gr-qc · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PWDTXRZT67QNK2CGAWOHRS35B}

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	2026-07-05T05:48:44.333058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3ec39de399fbf06ab42302ce3c65be8463a3985acb051b85266b3f24cbf388a

Aliases

arxiv: 2212.00791 · arxiv_version: 2212.00791v1 · doi: 10.48550/arxiv.2212.00791 · pith_short_12: 4PWDTXRZT67Q · pith_short_16: 4PWDTXRZT67QNK2C · pith_short_8: 4PWDTXRZ

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/4PWDTXRZT67QNK2CGAWOHRS35B \
  | 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: e3ec39de399fbf06ab42302ce3c65be8463a3985acb051b85266b3f24cbf388a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6efb4adf939bf383902a543e66217b390793846b63603ac0029c901543b4db9",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-12-01T18:59:47Z",
    "title_canon_sha256": "c00b5ad33641406c4434c10bc5d691a1470dee431d66930e927f91df312b6d46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.00791",
    "kind": "arxiv",
    "version": 1
  }
}