Pith Number

pith:3TAT5KM2

pith:2008:3TAT5KM2ZCKKWXYQLJUBYSD2UR

not attested not anchored not stored refs pending

Note on recent measurements of the $\psi(1S)\to\ga \eta_C(1S)$ and $\psi(2S)\to\ga \eta_C(1S)$ branching ratios

Stanley F. Radford, Wayne W. Repko

arxiv:0805.3833 v2 · 2008-05-25 · 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{3TAT5KM2ZCKKWXYQLJUBYSD2UR}

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	2026-07-04T15:35:52.398928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcc13ea99ac894ab5f105a681c487aa4415bdd2cc9e00db1cda11bcf5f6d1ac6

Aliases

arxiv: 0805.3833 · arxiv_version: 0805.3833v2 · doi: 10.48550/arxiv.0805.3833 · pith_short_12: 3TAT5KM2ZCKK · pith_short_16: 3TAT5KM2ZCKKWXYQ · pith_short_8: 3TAT5KM2

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/3TAT5KM2ZCKKWXYQLJUBYSD2UR \
  | 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: dcc13ea99ac894ab5f105a681c487aa4415bdd2cc9e00db1cda11bcf5f6d1ac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9503e849b0fd925ea2f1e2e10237c4b81cf35cbe8e12e6dc43647a9846f806f",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-05-25T15:06:49Z",
    "title_canon_sha256": "dc0f1348145cba105eefa88bf9cd56aa3362522e941f01163d908de845d9a9e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3833",
    "kind": "arxiv",
    "version": 2
  }
}