Pith Number

pith:EYI7U6XJ

pith:2018:EYI7U6XJT4WRRDRN4MXQ3NINGP

not attested not anchored not stored refs pending

$S_4$ symmetric four-generation models for charged leptons

Hirona Matsumura, Hiroshi Ozaki, Kantaro Minakuchi, Teruyuki Kitabayashi

arxiv:1801.09325 v2 · 2018-01-29 · hep-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{EYI7U6XJT4WRRDRN4MXQ3NINGP}

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	2026-05-18T00:11:57.517426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2611fa7ae99f2d188e2de32f0db50d33c70409dd05b7de01e10bb073989b95c7

Aliases

arxiv: 1801.09325 · arxiv_version: 1801.09325v2 · doi: 10.48550/arxiv.1801.09325 · pith_short_12: EYI7U6XJT4WR · pith_short_16: EYI7U6XJT4WRRDRN · pith_short_8: EYI7U6XJ

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/EYI7U6XJT4WRRDRN4MXQ3NINGP \
  | 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: 2611fa7ae99f2d188e2de32f0db50d33c70409dd05b7de01e10bb073989b95c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d83ed3e29e648c2f8f77b9adcb432b5bd386dcccc77f57b45d857d96897a9748",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-01-29T00:19:35Z",
    "title_canon_sha256": "b60d6513c62e9b81169e3e369c4f6e110f263c624c5108e483205e308528eb5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09325",
    "kind": "arxiv",
    "version": 2
  }
}