Pith Number

pith:QDNWC2IJ

pith:2005:QDNWC2IJ6WPV4TCVECV5XGNYVT

not attested not anchored not stored refs pending

eV Seesaw with Four Generations

Andrea Soddu, Wei-Shu Hou

arxiv:hep-ph/0512278 v2 · 2005-12-21 · 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{QDNWC2IJ6WPV4TCVECV5XGNYVT}

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	2026-05-18T04:28:20.613385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80db616909f59f5e4c5520abdb99b8acf747731a0b982d99da7266aa0ec7ec2d

Aliases

arxiv: hep-ph/0512278 · arxiv_version: hep-ph/0512278v2 · doi: 10.48550/arxiv.hep-ph/0512278 · pith_short_12: QDNWC2IJ6WPV · pith_short_16: QDNWC2IJ6WPV4TCV · pith_short_8: QDNWC2IJ

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/QDNWC2IJ6WPV4TCVECV5XGNYVT \
  | 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: 80db616909f59f5e4c5520abdb99b8acf747731a0b982d99da7266aa0ec7ec2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "523c59a7c921e5a55b098cc5632716da74f4d82987c8c09ab917b2f52cc5846f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2005-12-21T16:18:42Z",
    "title_canon_sha256": "789b4257e7dd56f2d130c2008a1ec25856ea83de2128e2a03c92282d2d88ac8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0512278",
    "kind": "arxiv",
    "version": 2
  }
}