Pith Number

pith:U53TKBFJ

pith:2002:U53TKBFJM42C2UP5KR7YKMADAL

not attested not anchored not stored refs pending

Constraint on the CKM angle alpha from the experimental measurements of CP violation in B_d^0 --> pi^+ pi^- decay

Cai-Dian L\"u, Zhenjun Xiao

arxiv:hep-ph/0205134 v4 · 2002-05-14 · hep-ph · 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{U53TKBFJM42C2UP5KR7YKMADAL}

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	2026-05-18T02:36:37.903451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7773504a967342d51fd547f85300302cf8f3fd8a6ac64207c6dd2c44c2e0ca5

Aliases

arxiv: hep-ph/0205134 · arxiv_version: hep-ph/0205134v4 · doi: 10.48550/arxiv.hep-ph/0205134 · pith_short_12: U53TKBFJM42C · pith_short_16: U53TKBFJM42C2UP5 · pith_short_8: U53TKBFJ

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/U53TKBFJM42C2UP5KR7YKMADAL \
  | 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: a7773504a967342d51fd547f85300302cf8f3fd8a6ac64207c6dd2c44c2e0ca5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f44f499cce5cad605292d9eea5da1344cf457db34c9a34316c7c2f42551591c2",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2002-05-14T05:44:48Z",
    "title_canon_sha256": "d3abed274451b749183e5ccf46bf51933b6e1dc3d15da82ca54bb96d1a45c2f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0205134",
    "kind": "arxiv",
    "version": 4
  }
}