Pith Number

pith:X7KDOL7D

pith:2001:X7KDOL7DRRJYY7DAPZAHGKWH2D

not attested not anchored not stored refs pending

A precise measurement of the direct CP violation parameter Re(epsilon'/epsilon)

NA48 collaboration

arxiv:hep-ex/0110019 v1 · 2001-10-11 · 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{X7KDOL7DRRJYY7DAPZAHGKWH2D}

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

Probing CP and flavor violation in neutral kaon decays with ALPs

Receipt and verification

First computed	2026-05-18T03:47:32.847591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfd4372fe38c538c7c607e40732ac7d0e40bfe27b87abee89ff99794f5469813

Aliases

arxiv: hep-ex/0110019 · arxiv_version: hep-ex/0110019v1 · doi: 10.48550/arxiv.hep-ex/0110019 · pith_short_12: X7KDOL7DRRJY · pith_short_16: X7KDOL7DRRJYY7DA · pith_short_8: X7KDOL7D

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/X7KDOL7DRRJYY7DAPZAHGKWH2D \
  | 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: bfd4372fe38c538c7c607e40732ac7d0e40bfe27b87abee89ff99794f5469813

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41574afe7c50a81e5b03ac21840aa3934b2c4a3f97e1fc2b842849175c71302e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2001-10-11T14:08:26Z",
    "title_canon_sha256": "9b8dc7e0193707ac8dd84ece22e97c5dcdc638dc72d43f45c300eb35064379c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/0110019",
    "kind": "arxiv",
    "version": 1
  }
}