Pith Number

pith:4YJVR7N4

pith:2009:4YJVR7N43YSVZD7GG3T4JWLNZ4

not attested not anchored not stored refs pending

Can Massless and Light Yukawaons be Harmless?

Yoshio Koide

arxiv:0902.4501 v2 · 2009-02-26 · 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{4YJVR7N43YSVZD7GG3T4JWLNZ4}

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	2026-05-18T02:14:38.799205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e61358fdbcde255c8fe636e7c4d96dcf2436ef9a50efbbf86822cec655745be3

Aliases

arxiv: 0902.4501 · arxiv_version: 0902.4501v2 · doi: 10.48550/arxiv.0902.4501 · pith_short_12: 4YJVR7N43YSV · pith_short_16: 4YJVR7N43YSVZD7G · pith_short_8: 4YJVR7N4

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/4YJVR7N43YSVZD7GG3T4JWLNZ4 \
  | 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: e61358fdbcde255c8fe636e7c4d96dcf2436ef9a50efbbf86822cec655745be3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47b24d4bfd203f923319d4ad699123333503b957546ed6f3d5ff6affced23958",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-02-26T02:57:37Z",
    "title_canon_sha256": "3d14db7d69aeaaaaf677a7d6bd32525f9a3ddbf1e84a0eeadab3777eaaef61db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.4501",
    "kind": "arxiv",
    "version": 2
  }
}