Pith Number

pith:XJ2TL74D

pith:1999:XJ2TL74DK5TTQTYVJC4RK6P75S

not attested not anchored not stored refs pending

The decays "neutrino{heavy} -> neutrino{light} + photon" and "neutrino{heavy} -> neutrino{light} e+ e-" of massive neutrinos

B. Machet, Q. Ho-Kim, X.Y. Pham

arxiv:hep-ph/9902442 v2 · 1999-02-23 · 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{XJ2TL74DK5TTQTYVJC4RK6P75S}

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	2026-05-18T01:38:56.181479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba7535ff835767384f1548b91579ffecadb286c9d5181831948e7ce32274f430

Aliases

arxiv: hep-ph/9902442 · arxiv_version: hep-ph/9902442v2 · doi: 10.48550/arxiv.hep-ph/9902442 · pith_short_12: XJ2TL74DK5TT · pith_short_16: XJ2TL74DK5TTQTYV · pith_short_8: XJ2TL74D

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/XJ2TL74DK5TTQTYVJC4RK6P75S \
  | 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: ba7535ff835767384f1548b91579ffecadb286c9d5181831948e7ce32274f430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc23cca02937bd2dbf4b550798d2997f3a9ffaa1aac63c7f4e9ffd197f23efde",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-02-23T14:33:04Z",
    "title_canon_sha256": "056d649e182fd038f24c01b079c19eb4f4cfb6ad7ac338b7057dbd51123e43e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9902442",
    "kind": "arxiv",
    "version": 2
  }
}