Pith Number

pith:Q47FIPBM

pith:2018:Q47FIPBMISKXNP7HT2GJ7FAC4B

not attested not anchored not stored refs pending

Precision big bang nucleosynthesis with improved Helium-4 predictions

Alain Coc, Cyril Pitrou, Elisabeth Vangioni, Jean-Philippe Uzan

arxiv:1801.08023 v3 · 2018-01-23 · 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{Q47FIPBMISKXNP7HT2GJ7FAC4B}

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

16 papers in Pith

Multipolar structure of the local expansion rate from incomplete sky data

Leptogenesis and Low Reheating Temperatures

The Hubble tension: A decade review

Probing the neutrino chemical potential with cosmological observations

Improved Big Bang Nucleosynthesis constraints on decaying massive relics

Receipt and verification

First computed	2026-07-05T10:10:05.383636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

873e543c2c449576bfe79e8c9f9402e054f09e92fb43e1e83bd6d8ebbcf19cf8

Aliases

arxiv: 1801.08023 · arxiv_version: 1801.08023v3 · doi: 10.48550/arxiv.1801.08023 · pith_short_12: Q47FIPBMISKX · pith_short_16: Q47FIPBMISKXNP7H · pith_short_8: Q47FIPBM

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/Q47FIPBMISKXNP7HT2GJ7FAC4B \
  | 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: 873e543c2c449576bfe79e8c9f9402e054f09e92fb43e1e83bd6d8ebbcf19cf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c228747a5874bf223110ed1f5d5457d80b71ecebb7322c3c0cd01c6117ef8ecd",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-01-23T00:54:34Z",
    "title_canon_sha256": "43c075a8e01f461c3ebd32540a046f157ed26c686a192da690e77fa4dd3648e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08023",
    "kind": "arxiv",
    "version": 3
  }
}