Pith. sign in
Pith Number

pith:OY7ZT4DF

pith:2003:OY7ZT4DFNYKAFW7D5ILSX2BMYC
not attested not anchored not stored refs pending

Effective number of neutrinos and baryon asymmetry from BBN and WMAP

Danny Marfatia, Gary Steigman, Hye-Sung Lee, James P. Kneller, V. Barger

arxiv:hep-ph/0305075 v1 · 2003-05-08 · hep-ph · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OY7ZT4DFNYKAFW7D5ILSX2BMYC}

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

1 paper in Pith

Receipt and verification
First computed 2026-07-04T15:17:40.302945Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

763f99f0656e1402dbe3ea172be82cc099fc6a19e7d84bef9545b930410ca933

Aliases

arxiv: hep-ph/0305075 · arxiv_version: hep-ph/0305075v1 · doi: 10.48550/arxiv.hep-ph/0305075 · pith_short_12: OY7ZT4DFNYKA · pith_short_16: OY7ZT4DFNYKAFW7D · pith_short_8: OY7ZT4DF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OY7ZT4DFNYKAFW7D5ILSX2BMYC \
  | 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: 763f99f0656e1402dbe3ea172be82cc099fc6a19e7d84bef9545b930410ca933
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "53363bbe23f9e74178b49763e00b5a9ac73e3ab5c5781e0e67b8b1ce35c06971",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2003-05-08T16:52:05Z",
    "title_canon_sha256": "4d7a591df999161635aa4d798ea71e08622fa55c70844c6c939473ab5d3bcba6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0305075",
    "kind": "arxiv",
    "version": 1
  }
}