Pith Number

pith:WI47OY7G

pith:2000:WI47OY7GGDKC534YIFEDWCI4YX

not attested not anchored not stored refs pending

Big Bang Nucleosynthesis updated with the NACRE Compilation

Alain Coc, Elisabeth Vangioni-Flam, Michel Casse

arxiv:astro-ph/0002248 v2 · 2000-02-11 · astro-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{WI47OY7GGDKC534YIFEDWCI4YX}

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	2026-05-18T01:07:46.857841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b239f763e630d42eef9841483b091cc5d2c3f09347865e5b0b5aec10a018e6c8

Aliases

arxiv: astro-ph/0002248 · arxiv_version: astro-ph/0002248v2 · doi: 10.48550/arxiv.astro-ph/0002248 · pith_short_12: WI47OY7GGDKC · pith_short_16: WI47OY7GGDKC534Y · pith_short_8: WI47OY7G

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/WI47OY7GGDKC534YIFEDWCI4YX \
  | 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: b239f763e630d42eef9841483b091cc5d2c3f09347865e5b0b5aec10a018e6c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d89bbdb784006161e7e21b8c1fdd081c67a555dbb99c6261545c80ed986f724b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-11T10:48:17Z",
    "title_canon_sha256": "02f1e9baef53eed714b3b88b4f072f418410bc50dab6608a08bf6e78295ed1e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002248",
    "kind": "arxiv",
    "version": 2
  }
}