Pith Number

pith:QZPUW52B

pith:2009:QZPUW52BOIJNF24XOPJQJPCQVP

not attested not anchored not stored refs pending

Precise measurement of the K+- --> pi+-e+e- decay

NA48/2 collaboration

arxiv:0903.3130 v2 · 2009-03-18 · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZPUW52BOIJNF24XOPJQJPCQVP}

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

2 papers in Pith

Theory perspectives on rare Kaon decays and CPV

Receipt and verification

First computed	2026-05-18T02:35:00.343428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

865f4b77417212d2eb9773d304bc50abd694a95bb06d33f2ec5150894d825fad

Aliases

arxiv: 0903.3130 · arxiv_version: 0903.3130v2 · doi: 10.48550/arxiv.0903.3130 · pith_short_12: QZPUW52BOIJN · pith_short_16: QZPUW52BOIJNF24X · pith_short_8: QZPUW52B

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/QZPUW52BOIJNF24XOPJQJPCQVP \
  | 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: 865f4b77417212d2eb9773d304bc50abd694a95bb06d33f2ec5150894d825fad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e53da951380ba778de7eb426e54ae351a668c5cb022df54feccf1b8121d84fbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2009-03-18T10:54:27Z",
    "title_canon_sha256": "4c466498a0a43e12c2545ca78a1bb0e8c8ecb36a0ec2f7a074a26f81a27859f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3130",
    "kind": "arxiv",
    "version": 2
  }
}