Pith Number

pith:2H4WCSKY

pith:2002:2H4WCSKYUBFNI4J2V4MERCWSPQ

not attested not anchored not stored refs pending

The fundamental constants and their variation: observational status and theoretical motivations

GReCO, Jean-Philippe Uzan (IAP, LPT, Orsay), Paris

arxiv:hep-ph/0205340 v1 · 2002-05-30 · hep-ph · astro-ph · 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{2H4WCSKYUBFNI4J2V4MERCWSPQ}

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

2 papers in Pith

The Hubble tension: A decade review

Fine-tunings in radiative $\alpha$-particle capture on $^{12}$C at astrophysical energies

Receipt and verification

First computed	2026-07-04T15:26:42.082771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1f9614958a04ad4713aaf18488ad27c3579ed40a143694ac37c701d5027d78b

Aliases

arxiv: hep-ph/0205340 · arxiv_version: hep-ph/0205340v1 · doi: 10.48550/arxiv.hep-ph/0205340 · pith_short_12: 2H4WCSKYUBFN · pith_short_16: 2H4WCSKYUBFNI4J2 · pith_short_8: 2H4WCSKY

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/2H4WCSKYUBFNI4J2V4MERCWSPQ \
  | 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: d1f9614958a04ad4713aaf18488ad27c3579ed40a143694ac37c701d5027d78b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fd79e2fd4561fae47c08fefcbbd16bacff65f0995843020be4c4670cec61cca",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2002-05-30T14:26:19Z",
    "title_canon_sha256": "b41733d13eccb7260185f1dc16d4c33794887cccda6193124adcd29f4a0c7d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0205340",
    "kind": "arxiv",
    "version": 1
  }
}