Pith Number

pith:WKKFKHSC

pith:2010:WKKFKHSCBL52TKDVTVR6NSLSP4

not attested not anchored not stored refs pending

Study of the Radivative Pion Decay

Chao-Qiang Geng, Chong-Chung Lih, Chuan-Hung Chen

arxiv:1006.2939 v2 · 2010-06-15 · 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{WKKFKHSCBL52TKDVTVR6NSLSP4}

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	2026-05-18T04:23:46.376393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b294551e420afba9a8759d63e6c9727f37c640299418a56e367c9600583db47e

Aliases

arxiv: 1006.2939 · arxiv_version: 1006.2939v2 · doi: 10.48550/arxiv.1006.2939 · pith_short_12: WKKFKHSCBL52 · pith_short_16: WKKFKHSCBL52TKDV · pith_short_8: WKKFKHSC

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/WKKFKHSCBL52TKDVTVR6NSLSP4 \
  | 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: b294551e420afba9a8759d63e6c9727f37c640299418a56e367c9600583db47e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17ddaf9e9ec6100275aa2bb3700098dbad8bf3c19b5bdced3d5c596e2e199642",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2010-06-15T09:50:46Z",
    "title_canon_sha256": "452d2d9be01bb450cd8174f050e3de31765c8cc6b5510402cb2ae366a9e610d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.2939",
    "kind": "arxiv",
    "version": 2
  }
}