Pith Number

pith:WOG22T6L

pith:2012:WOG22T6LL2FXGK4NCUUI6NUI4H

not attested not anchored not stored refs pending

A first prediction of the electromagnetic rare decays $\eta^\prime\to\pi^0\gamma\gamma$ and $\eta^\prime\to\eta\gamma\gamma$

Barcelona), IFAE, Rafel Escribano (UAB

arxiv:1207.5400 v1 · 2012-07-23 · hep-ph · hep-ex · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WOG22T6LL2FXGK4NCUUI6NUI4H}

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	2026-05-18T03:50:23.634717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b38dad4fcb5e8b732b8d15288f3688e1ef3d32ac2626e0f3fcbaf03b53e7306a

Aliases

arxiv: 1207.5400 · arxiv_version: 1207.5400v1 · doi: 10.48550/arxiv.1207.5400 · pith_short_12: WOG22T6LL2FX · pith_short_16: WOG22T6LL2FXGK4N · pith_short_8: WOG22T6L

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/WOG22T6LL2FXGK4NCUUI6NUI4H \
  | 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: b38dad4fcb5e8b732b8d15288f3688e1ef3d32ac2626e0f3fcbaf03b53e7306a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1133156670c19206bebed316018c43771ecf60c9b7bcb457e04f8970459dcb72",
    "cross_cats_sorted": [
      "hep-ex",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-07-23T14:14:13Z",
    "title_canon_sha256": "1e6266603313db0ff7a3adc089ba4c0524409ecb0ee1b9ff71ce0825f690ec4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5400",
    "kind": "arxiv",
    "version": 1
  }
}