Pith Number

pith:XMEJGKNR

pith:2009:XMEJGKNRV2XYSJRMXKHWX2MBCI

not attested not anchored not stored refs pending

Branching ratio and CP violation of $B_c \to D K$ decays in the perturbative QCD approach

Jun Zhang, Xian-Qiao Yu

arxiv:0905.0945 v2 · 2009-05-07 · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XMEJGKNRV2XYSJRMXKHWX2MBCI}

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	2026-05-18T02:34:59.333294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb089329b1aeaf89262cba8f6be981120f6bc3fb668a5b47faa712641a38ac89

Aliases

arxiv: 0905.0945 · arxiv_version: 0905.0945v2 · doi: 10.48550/arxiv.0905.0945 · pith_short_12: XMEJGKNRV2XY · pith_short_16: XMEJGKNRV2XYSJRM · pith_short_8: XMEJGKNR

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/XMEJGKNRV2XYSJRMXKHWX2MBCI \
  | 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: bb089329b1aeaf89262cba8f6be981120f6bc3fb668a5b47faa712641a38ac89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac894ad118a525485b16d8c84da2130fe553fe74980337e316e39d639fb52ba8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-05-07T03:18:42Z",
    "title_canon_sha256": "0fc01cf54179cf213bbf976a159c39a95e19f757952c7c9196b85daea191a07d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0945",
    "kind": "arxiv",
    "version": 2
  }
}