Pith Number

pith:NSEUDPWI

pith:2002:NSEUDPWIW57ENPHE5SVZCQWWMC

not attested not anchored not stored refs pending

The pionic beta decay in chiral perturbation theory

H. Neufeld (Univ. Wien), H. Pichl (PSI Villingen), M. Knecht (CPT Marseille), V. Cirigliano (Univ. Valencia)

arxiv:hep-ph/0209226 v1 · 2002-09-19 · 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{NSEUDPWIW57ENPHE5SVZCQWWMC}

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	2026-05-18T04:13:25.739453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c8941bec8b77e46bce4ecab9142d6608f9ee66960e2e136bac9cf19c6633e22

Aliases

arxiv: hep-ph/0209226 · arxiv_version: hep-ph/0209226v1 · doi: 10.48550/arxiv.hep-ph/0209226 · pith_short_12: NSEUDPWIW57E · pith_short_16: NSEUDPWIW57ENPHE · pith_short_8: NSEUDPWI

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/NSEUDPWIW57ENPHE5SVZCQWWMC \
  | 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: 6c8941bec8b77e46bce4ecab9142d6608f9ee66960e2e136bac9cf19c6633e22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec378d2e055ce38a94133a107f2fe059ba09770a982aa2366c9a8991637ca20d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2002-09-19T14:07:45Z",
    "title_canon_sha256": "8c8581e31c3645643fa703dfaeadc1fd07e2bd74e570557321221a82d806d97b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0209226",
    "kind": "arxiv",
    "version": 1
  }
}