Pith Number

pith:YY2AMYP4

pith:2009:YY2AMYP453KKBUIQROOHJX7DBX

not attested not anchored not stored refs pending

The B -> pi K Puzzle: 2009 Update

Cheng-Wei Chiang, David London, Seungwon Baek

arxiv:0903.3086 v2 · 2009-03-18 · hep-ph · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YY2AMYP453KKBUIQROOHJX7DBX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:35:00.354357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6340661fceed4a0d1108b9c74dfe30dfa740441036adf9a065cb00afe8a1771

Aliases

arxiv: 0903.3086 · arxiv_version: 0903.3086v2 · doi: 10.48550/arxiv.0903.3086 · pith_short_12: YY2AMYP453KK · pith_short_16: YY2AMYP453KKBUIQ · pith_short_8: YY2AMYP4

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/YY2AMYP453KKBUIQROOHJX7DBX \
  | 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: c6340661fceed4a0d1108b9c74dfe30dfa740441036adf9a065cb00afe8a1771

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8d1421d53e0f7d2bb29e51b5fef59c2db6de76424b87a0dcf3c6d4c07159e63",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-03-18T04:39:12Z",
    "title_canon_sha256": "4eefea32241b73527235aa1766b896e2c6e5f50b7e541d13f31dcd8df156214a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3086",
    "kind": "arxiv",
    "version": 2
  }
}