Pith Number

pith:Q6CGWIF5

pith:2002:Q6CGWIF5XKCWKOOB3F5ILYN3L5

not attested not anchored not stored refs pending

Limits on Cosmological Variation of Strong Interaction and Quark Masses from Big Bang Nucleosynthesis, Cosmic, Laboratory and Oklo Data

E.V. Shuryak, V.V. Flambaum

arxiv:hep-ph/0201303 v3 · 2002-01-31 · hep-ph · astro-ph · gr-qc · nucl-th · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6CGWIF5XKCWKOOB3F5ILYN3L5}

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	2026-05-18T01:06:14.371295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87846b20bdba856539c1d97a85e1bb5f7f8fd65e87ff09633c22bab4fc170210

Aliases

arxiv: hep-ph/0201303 · arxiv_version: hep-ph/0201303v3 · doi: 10.48550/arxiv.hep-ph/0201303 · pith_short_12: Q6CGWIF5XKCW · pith_short_16: Q6CGWIF5XKCWKOOB · pith_short_8: Q6CGWIF5

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/Q6CGWIF5XKCWKOOB3F5ILYN3L5 \
  | 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: 87846b20bdba856539c1d97a85e1bb5f7f8fd65e87ff09633c22bab4fc170210

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21fcfc3fae0a16f919ebc6d005264867376461e9f3f3899697d59215b075b0fb",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc",
      "nucl-th",
      "physics.atom-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2002-01-31T15:16:43Z",
    "title_canon_sha256": "8fd5f8813745daf555ac44169f8e0cdc8830e50f95f5b0c134325e333774cd04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0201303",
    "kind": "arxiv",
    "version": 3
  }
}