Pith Number

pith:K6ZS3PTO

pith:1993:K6ZS3PTOQGZMFWQUDN6GRGHL3U

not attested not anchored not stored refs pending

The Decay $B\to\pi\ell\nu$ in Heavy Quark Effective Theory

Gustavo Burdman, Matthias Neubert, Yosef Nir, Zoltan Ligeti

arxiv:hep-ph/9309272 v1 · 1993-09-15 · 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{K6ZS3PTOQGZMFWQUDN6GRGHL3U}

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	2026-05-18T04:37:54.777969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57b32dbe6e81b2c2da141b7c6898ebdd361726975899448dbc660ede0dd9723a

Aliases

arxiv: hep-ph/9309272 · arxiv_version: hep-ph/9309272v1 · doi: 10.48550/arxiv.hep-ph/9309272 · pith_short_12: K6ZS3PTOQGZM · pith_short_16: K6ZS3PTOQGZMFWQU · pith_short_8: K6ZS3PTO

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/K6ZS3PTOQGZMFWQUDN6GRGHL3U \
  | 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: 57b32dbe6e81b2c2da141b7c6898ebdd361726975899448dbc660ede0dd9723a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ac4f2e3ddae069c3e557e100920b88dab2bd751c44c38f65238d27e28894de7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1993-09-15T23:37:00Z",
    "title_canon_sha256": "ec386123d470cf501f29be9dc33e966d82fb10d93f388a72c012f382d286f409"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9309272",
    "kind": "arxiv",
    "version": 1
  }
}