Pith Number

pith:26BXDRZC

pith:2009:26BXDRZC2P7IYOM6ZMTZNFR7E7

not attested not anchored not stored refs pending

The evasion of helicity selection rule in $\chi_{c1}\to VV$ and $\chi_{c2}\to VP$ via intermediate charmed meson loops

Qiang Zhao, Xiao-Hai Liu

arxiv:0912.1508 v3 · 2009-12-08 · 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{26BXDRZC2P7IYOM6ZMTZNFR7E7}

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	2026-07-04T17:25:07.468330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d78371c722d3fe8c399ecb2796963f27c1d40e33fba11ad66d99fd9bfe42aa7b

Aliases

arxiv: 0912.1508 · arxiv_version: 0912.1508v3 · doi: 10.48550/arxiv.0912.1508 · pith_short_12: 26BXDRZC2P7I · pith_short_16: 26BXDRZC2P7IYOM6 · pith_short_8: 26BXDRZC

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/26BXDRZC2P7IYOM6ZMTZNFR7E7 \
  | 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: d78371c722d3fe8c399ecb2796963f27c1d40e33fba11ad66d99fd9bfe42aa7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61061b464fa9e0c1465ad15a350b05a845815ea20366ca3db3ecdae6a577e7a9",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-12-08T14:26:07Z",
    "title_canon_sha256": "8a92e12cf144987948bc13186a84cbadab8da9ecd3f693087b459a789b155ab1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1508",
    "kind": "arxiv",
    "version": 3
  }
}