Pith Number

pith:6GTZ4BXU

pith:2013:6GTZ4BXUOBD5PAMBUIE6D3PQHV

not attested not anchored not stored refs pending

Influence of the variation of fundamental constants on the primordial nucleosynthesis

Alain Coc, Elisabeth Vangioni, Jean-Philippe Uzan, Pierre Descouvemont

arxiv:1301.1474 v1 · 2013-01-08 · astro-ph.CO · nucl-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{6GTZ4BXUOBD5PAMBUIE6D3PQHV}

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	2026-05-18T03:36:57.382109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1a79e06f47047d78181a209e1edf03d7b4c2d213db0a0527df408084d89ff99

Aliases

arxiv: 1301.1474 · arxiv_version: 1301.1474v1 · doi: 10.48550/arxiv.1301.1474 · pith_short_12: 6GTZ4BXUOBD5 · pith_short_16: 6GTZ4BXUOBD5PAMB · pith_short_8: 6GTZ4BXU

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/6GTZ4BXUOBD5PAMBUIE6D3PQHV \
  | 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: f1a79e06f47047d78181a209e1edf03d7b4c2d213db0a0527df408084d89ff99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e76da8ffb4ba463b0edda2bfbe2f1337496d006804d2b18cba4cc9f2bf88eced",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-08T10:21:56Z",
    "title_canon_sha256": "109f848bd407591c8774a29bc79640fee8cd19f7b3f6050c439acb1b9ec7c84d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1474",
    "kind": "arxiv",
    "version": 1
  }
}