Pith Number

pith:EFNKKC3J

pith:1998:EFNKKC3JRKZYAPW7PZSHZAFSAS

not attested not anchored not stored refs pending

Two-loop QCD corrections to semileptonic b decays at an intermediate recoil

Andrzej Czarnecki, Kirill Melnikov

arxiv:hep-ph/9804215 v1 · 1998-04-02 · 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{EFNKKC3JRKZYAPW7PZSHZAFSAS}

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	2026-05-18T04:31:00.748736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

215aa50b698ab3803edf7e647c80b20489837505eea860a6195ec156d447f712

Aliases

arxiv: hep-ph/9804215 · arxiv_version: hep-ph/9804215v1 · doi: 10.48550/arxiv.hep-ph/9804215 · pith_short_12: EFNKKC3JRKZY · pith_short_16: EFNKKC3JRKZYAPW7 · pith_short_8: EFNKKC3J

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/EFNKKC3JRKZYAPW7PZSHZAFSAS \
  | 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: 215aa50b698ab3803edf7e647c80b20489837505eea860a6195ec156d447f712

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6c6003552a8d4066617585b54f65a4cf71b420220e7ba047da31a9e0a04946d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-04-02T14:26:43Z",
    "title_canon_sha256": "b67795ad28684efd6607f51c2ed9a9fa6699b87025fa43f9ab6596f82e401890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9804215",
    "kind": "arxiv",
    "version": 1
  }
}