Pith Number

pith:CF4WRN4R

pith:1996:CF4WRN4R3FRWKAOYYDX6BJKQWY

not attested not anchored not stored refs pending

QCD Sum Rules for The Double Ratio $(f_{B_s}/f_{B_d}) /(f_{D_s}/f_{D_d})$ in HQET

Chuan-Wang Luo, Tao Huang, Zuo-Hong Li

arxiv:hep-ph/9610227 v1 · 1996-10-03 · 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{CF4WRN4R3FRWKAOYYDX6BJKQWY}

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	2026-05-18T01:06:16.284419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

117968b791d9636501d8c0efe0a550b616ec65d8e6a17bc7ebe095fd10e730f3

Aliases

arxiv: hep-ph/9610227 · arxiv_version: hep-ph/9610227v1 · doi: 10.48550/arxiv.hep-ph/9610227 · pith_short_12: CF4WRN4R3FRW · pith_short_16: CF4WRN4R3FRWKAOY · pith_short_8: CF4WRN4R

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/CF4WRN4R3FRWKAOYYDX6BJKQWY \
  | 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: 117968b791d9636501d8c0efe0a550b616ec65d8e6a17bc7ebe095fd10e730f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2943c5c222b6bc5a5d8ecda63f6a48381593cac76d4eb8a23d441fc28a5731d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1996-10-03T17:20:31Z",
    "title_canon_sha256": "52a31fd25bba4ae3160993740fdbdf0e5eeda6e88832754c55d33da47f6c75ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9610227",
    "kind": "arxiv",
    "version": 1
  }
}