Pith Number

pith:FV6WO533

pith:2007:FV6WO533D4Y55IYYCPJ5WSMP7S

not attested not anchored not stored refs pending

pi/K -> e nu branching ratios to O(e^2 p^4) in Chiral Perturbation Theory

Ignasi Rosell, Vincenzo Cirigliano

arxiv:0707.4464 v1 · 2007-07-30 · 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{FV6WO533D4Y55IYYCPJ5WSMP7S}

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

$f_K/f_{\pi}$ in iso-symmetric QCD and the CKM matrix unitarity

Receipt and verification

First computed	2026-07-04T15:38:00.261583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d7d67777b1f31dea31813d3db498ffcb596f3a799ae742440ffde9e5157d026

Aliases

arxiv: 0707.4464 · arxiv_version: 0707.4464v1 · doi: 10.48550/arxiv.0707.4464 · pith_short_12: FV6WO533D4Y5 · pith_short_16: FV6WO533D4Y55IYY · pith_short_8: FV6WO533

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/FV6WO533D4Y55IYYCPJ5WSMP7S \
  | 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: 2d7d67777b1f31dea31813d3db498ffcb596f3a799ae742440ffde9e5157d026

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7defcfb745f91258cc1ed14c68688958b2e043f52c776ccb73bec21f8ff0ca10",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2007-07-30T18:24:48Z",
    "title_canon_sha256": "d055bcc94512503e834c7013b311c3b67cf21943d1e7656222eae7e2b9fc3ea6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.4464",
    "kind": "arxiv",
    "version": 1
  }
}