Pith Number

pith:LY3DNUYC

pith:2009:LY3DNUYCBK52AAMSFSSHCC5AWR

not attested not anchored not stored refs pending

Neutrino Models and Leptogenesis

Sandy S. C. Law

arxiv:0901.1232 v1 · 2009-01-09 · 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{LY3DNUYCBK52AAMSFSSHCC5AWR}

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	2026-07-04T15:35:57.295479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e3636d3020abba001922ca4710ba0b448705863519fa59e6fbad3f8aa5faa96

Aliases

arxiv: 0901.1232 · arxiv_version: 0901.1232v1 · doi: 10.48550/arxiv.0901.1232 · pith_short_12: LY3DNUYCBK52 · pith_short_16: LY3DNUYCBK52AAMS · pith_short_8: LY3DNUYC

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/LY3DNUYCBK52AAMSFSSHCC5AWR \
  | 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: 5e3636d3020abba001922ca4710ba0b448705863519fa59e6fbad3f8aa5faa96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2f7332e02994f5e33e884ec67637142092794535bc0769148b257a5988ca861",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-01-09T12:50:37Z",
    "title_canon_sha256": "e2f875ceaf8d0a7f20c16ef089d80c02946b670b4a23c7c708acd3628f86c820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1232",
    "kind": "arxiv",
    "version": 1
  }
}