Pith Number

pith:DDMNPC5F

pith:2026:DDMNPC5FYLLFCGYZJR6QSOGBZV

not attested not anchored not stored refs pending

Radiative decays $J/\psi,\,\psi(2S)\rightarrow\gamma\eta^{(\prime)}$ in perturbative QCD with relativistic corrections

Chao-Jie Fan, Cong Wang, Jun-Kang He

arxiv:2607.23737 v1 · 2026-07-26 · 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{DDMNPC5FYLLFCGYZJR6QSOGBZV}

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	2026-07-28T01:23:08.263710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18d8d78ba5c2d6511b194c7d0938c1cd583eea0ef41f3f8b3aadd959fc9e2896

Aliases

arxiv: 2607.23737 · arxiv_version: 2607.23737v1 · doi: 10.48550/arxiv.2607.23737 · pith_short_12: DDMNPC5FYLLF · pith_short_16: DDMNPC5FYLLFCGYZ · pith_short_8: DDMNPC5F

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/DDMNPC5FYLLFCGYZJR6QSOGBZV \
  | 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: 18d8d78ba5c2d6511b194c7d0938c1cd583eea0ef41f3f8b3aadd959fc9e2896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "547f705755437c2ebd54c44659596db3104b56bf2b441ad8796ebded1229dd14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2026-07-26T16:07:35Z",
    "title_canon_sha256": "0f8b83366571c756274eb410731bef95cdb9adf7213161e51cccb1911d2157ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23737",
    "kind": "arxiv",
    "version": 1
  }
}