Pith Number

pith:USYQCGAN

pith:1995:USYQCGANF5GSJSJKP3PVAXZDJQ

not attested not anchored not stored refs pending

K_L to \pi^+ \pi^- e^+ e^-

John K. Elwood, Mark B. Wise, Martin J. Savage

arxiv:hep-ph/9504288 v1 · 1995-04-11 · hep-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USYQCGANF5GSJSJKP3PVAXZDJQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:37:12.872767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4b101180d2f4d24c92a7edf505f234c298c5b1a0faa36b48e4c9b4ba646c03e

Aliases

arxiv: hep-ph/9504288 · arxiv_version: hep-ph/9504288v1 · doi: 10.48550/arxiv.hep-ph/9504288 · pith_short_12: USYQCGANF5GS · pith_short_16: USYQCGANF5GSJSJK · pith_short_8: USYQCGAN

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/USYQCGANF5GSJSJKP3PVAXZDJQ \
  | 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: a4b101180d2f4d24c92a7edf505f234c298c5b1a0faa36b48e4c9b4ba646c03e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a507f4ce1793d714469fb1d8268196694852b54613f3f64cde939bfb0f7a0649",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1995-04-11T20:32:29Z",
    "title_canon_sha256": "96740f96d66016aaf0417c4da639303a56bdcb2b83dabafbbf52125d0be8c85f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9504288",
    "kind": "arxiv",
    "version": 1
  }
}