Pith Number

pith:XE4L5WTK

pith:2019:XE4L5WTK3XCLZBIHRKGEXBPABX

not attested not anchored not stored refs pending

$\tau \to \mu\mu\mu$ at a rate of one out of $10^{14}$ tau decays?

Emilie Passemar, Matteo Fael, Patrick Blackstone

arxiv:1912.09862 v2 · 2019-12-20 · hep-ph · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XE4L5WTK3XCLZBIHRKGEXBPABX}

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.

Cited by

1 paper in Pith

Search for the lepton-flavor-violating $\tau^{-} \rightarrow e^{\mp} \ell^{\pm} \ell^{\mp}$ decays at Belle II

Receipt and verification

First computed	2026-07-05T01:18:46.559433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b938beda6addc4bc85078a8c4b85e00dce08efe11eaa7873ad9a57c3aec5f449

Aliases

arxiv: 1912.09862 · arxiv_version: 1912.09862v2 · doi: 10.48550/arxiv.1912.09862 · pith_short_12: XE4L5WTK3XCL · pith_short_16: XE4L5WTK3XCLZBIH · pith_short_8: XE4L5WTK

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/XE4L5WTK3XCLZBIHRKGEXBPABX \
  | 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: b938beda6addc4bc85078a8c4b85e00dce08efe11eaa7873ad9a57c3aec5f449

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a8701356038333bd3f5e98d1e7a87000cb9da8e13df22774157e575df19444e",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2019-12-20T15:04:39Z",
    "title_canon_sha256": "96fd486853562a8a7e9ce13de774ee5090ce9b0c8a08aceaf1a02c512fb44cf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.09862",
    "kind": "arxiv",
    "version": 2
  }
}