Pith Number

pith:5RZOTGTB

pith:2012:5RZOTGTBVF7A74ZJABGWXEKBBL

not attested not anchored not stored refs pending

Primordial Nucleosynthesis

Alain Coc (CSNSM, France), Orsay

arxiv:1208.4748 v1 · 2012-08-23 · nucl-ex · 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{5RZOTGTBVF7A74ZJABGWXEKBBL}

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	2026-05-18T00:52:42.205229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec72e99a61a97e0ff329004d6b91410ad8fa652bd97a18189b130d0a16eedf7b

Aliases

arxiv: 1208.4748 · arxiv_version: 1208.4748v1 · doi: 10.48550/arxiv.1208.4748 · pith_short_12: 5RZOTGTBVF7A · pith_short_16: 5RZOTGTBVF7A74ZJ · pith_short_8: 5RZOTGTB

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/5RZOTGTBVF7A74ZJABGWXEKBBL \
  | 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: ec72e99a61a97e0ff329004d6b91410ad8fa652bd97a18189b130d0a16eedf7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f3302fc52745cf64632678c3258147a7d74e8df9268497875bf07b52823d291",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2012-08-23T13:24:00Z",
    "title_canon_sha256": "e20e79c24330f15e9a7c448a4590551f904370d50b3f22aa878f9aff0e672304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4748",
    "kind": "arxiv",
    "version": 1
  }
}