Pith Number

pith:EKAKLGKA

pith:2012:EKAKLGKAB23GYP4WOPATEEJ63U

not attested not anchored not stored refs pending

Precision Measurement of the Ratio of the Charged Kaon Leptonic Decay Rates

The NA62 collaboration

arxiv:1212.4012 v2 · 2012-12-17 · 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{EKAKLGKAB23GYP4WOPATEEJ63U}

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	2026-05-18T03:35:13.393967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2280a599400eb66c3f9673c132113edd3b9ae6e2e9e6469b8bbb8aa96131794b

Aliases

arxiv: 1212.4012 · arxiv_version: 1212.4012v2 · doi: 10.48550/arxiv.1212.4012 · pith_short_12: EKAKLGKAB23G · pith_short_16: EKAKLGKAB23GYP4W · pith_short_8: EKAKLGKA

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/EKAKLGKAB23GYP4WOPATEEJ63U \
  | 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: 2280a599400eb66c3f9673c132113edd3b9ae6e2e9e6469b8bbb8aa96131794b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "178ee61d3b9bb61dfe7747848286daa070c7845f3275e229628825ff7c41a3db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2012-12-17T14:50:06Z",
    "title_canon_sha256": "7ae57e6118d592b4888ae9c6d6c9381268e95733134e8ad8f7c9a34d55a928f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4012",
    "kind": "arxiv",
    "version": 2
  }
}