Pith Number

pith:HH2XF7CF

pith:2002:HH2XF7CFOGDQOZZIWMIJ5EFPPX

not attested not anchored not stored refs pending

Universal Lepton Asymmetry: New Constraints from the Cosmic Microwave Background and Primordial Nucleosynthesis

G. J. Mathews, M. Orito, R. N. Boyd, T. Kajino

arxiv:astro-ph/0202114 v1 · 2002-02-06 · 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{HH2XF7CFOGDQOZZIWMIJ5EFPPX}

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	2026-07-04T14:11:53.212069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39f572fc457187076728b3109e90af7dc19d54ba875820d7db13548979bac7b2

Aliases

arxiv: astro-ph/0202114 · arxiv_version: astro-ph/0202114v1 · doi: 10.48550/arxiv.astro-ph/0202114 · pith_short_12: HH2XF7CFOGDQ · pith_short_16: HH2XF7CFOGDQOZZI · pith_short_8: HH2XF7CF

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/HH2XF7CFOGDQOZZIWMIJ5EFPPX \
  | 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: 39f572fc457187076728b3109e90af7dc19d54ba875820d7db13548979bac7b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "033d3e3383e7a96d74891c6b2c61a56d5d7fa669311e74e6e89a2c800c43d04e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-06T03:09:19Z",
    "title_canon_sha256": "2344e407d1f274d618e6024bae3cd56763e3ef376ca1acef071816c54b0c72dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202114",
    "kind": "arxiv",
    "version": 1
  }
}