Pith Number

pith:45NMXK2K

pith:2022:45NMXK2KSUJL3Z3QTE2MCEQ6RF

not attested not anchored not stored refs pending

Lepton Asymmetric Universe

Kai Murai, Masahiro Kawasaki

arxiv:2203.09713 v2 · 2022-03-18 · hep-ph · 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{45NMXK2KSUJL3Z3QTE2MCEQ6RF}

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

Consistent $N_{\rm eff}$ fitting in big bang nucleosynthesis analysis

Receipt and verification

First computed	2026-07-05T05:12:28.073619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e75acbab4a9512bde7709934c1121e8945c2b22b419515fb3604c260d1fb0cc3

Aliases

arxiv: 2203.09713 · arxiv_version: 2203.09713v2 · doi: 10.48550/arxiv.2203.09713 · pith_short_12: 45NMXK2KSUJL · pith_short_16: 45NMXK2KSUJL3Z3Q · pith_short_8: 45NMXK2K

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/45NMXK2KSUJL3Z3QTE2MCEQ6RF \
  | 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: e75acbab4a9512bde7709934c1121e8945c2b22b419515fb3604c260d1fb0cc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "860b8ad80069df02c9492341a9aa476be60aeaad20917a98640c4de70cbd2629",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2022-03-18T03:17:29Z",
    "title_canon_sha256": "f3175877d54e41e35be6f564de4ebf5ce7b6bc414c1eac7d0f03db9f030c110e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.09713",
    "kind": "arxiv",
    "version": 2
  }
}