Pith Number

pith:KMTXNRPQ

pith:2000:KMTXNRPQPSHC3CNN5NFRVSLKKQ

not attested not anchored not stored refs pending

Neutrino mass matrix suppression by Abelian charges with see-saw mechanism

H.B.Nielsen, Y.Takanishi

arxiv:hep-ph/0004137 v2 · 2000-04-14 · hep-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KMTXNRPQPSHC3CNN5NFRVSLKKQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:36:50.393562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

532776c5f07c8e2d89adeb4b1ac96a5418b070259f9edfe2983752a337326135

Aliases

arxiv: hep-ph/0004137 · arxiv_version: hep-ph/0004137v2 · doi: 10.48550/arxiv.hep-ph/0004137 · pith_short_12: KMTXNRPQPSHC · pith_short_16: KMTXNRPQPSHC3CNN · pith_short_8: KMTXNRPQ

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/KMTXNRPQPSHC3CNN5NFRVSLKKQ \
  | 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: 532776c5f07c8e2d89adeb4b1ac96a5418b070259f9edfe2983752a337326135

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9adc2b780d61b3592fd9024a59c72f51d5f71a30f98fbfbfac0a4373cb7af8af",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2000-04-14T16:53:22Z",
    "title_canon_sha256": "bbb0392373c933dba2cbc80abaca5b15dc36add82800fef6fe59b8e83c8f3f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0004137",
    "kind": "arxiv",
    "version": 2
  }
}