Pith Number

pith:PPL77Z5R

pith:1999:PPL77Z5RGASZNT5QLJD7V7JGHA

not attested not anchored not stored refs pending

Decay of pseudoscalars into lepton pairs and large-Nc QCD

Barcelona), E. de Rafael (1). ((1)CPT, Marseille; (2) UAB, M. Knecht (1), M. Perrottet (1), S. Peris (2)

arxiv:hep-ph/9908283 v1 · 1999-08-06 · 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{PPL77Z5RGASZNT5QLJD7V7JGHA}

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

Improved Standard-Model predictions for $\eta^{(\prime)}\to \ell^+ \ell^-$

Receipt and verification

First computed	2026-07-04T15:27:26.945020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd7ffe7b1302596cfb05a47fafd2638115f048605ee4aee8fda31d08f2fc31c

Aliases

arxiv: hep-ph/9908283 · arxiv_version: hep-ph/9908283v1 · doi: 10.48550/arxiv.hep-ph/9908283 · pith_short_12: PPL77Z5RGASZ · pith_short_16: PPL77Z5RGASZNT5Q · pith_short_8: PPL77Z5R

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/PPL77Z5RGASZNT5QLJD7V7JGHA \
  | 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: 7bd7ffe7b1302596cfb05a47fafd2638115f048605ee4aee8fda31d08f2fc31c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87e30ae3e1ad7888a86772890d00d87b3e6ed6c9aadeb6c3a3a9474ef0c7ebb3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-08-06T13:21:40Z",
    "title_canon_sha256": "b784bbc5344e91bf503b3439bc812efe9d0ffb9b50e27c5f2ecb4c2883df7984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9908283",
    "kind": "arxiv",
    "version": 1
  }
}