pith. sign in
Pith Number

pith:UGWSI4JT

pith:2013:UGWSI4JTQX5RPRW4G3JBGI3XAN
not attested not anchored not stored refs pending

Search for a dark photon in the $\pi^0 \to e^+e^-\gamma$ decay

A. Bondar, A. Goswami, A. Jany, A. Khoukaz, A. Kup\'s\'c, A. Kuzmin, A. Magiera, A. Pricking, A. Pyszniak, A. Roy, A. Schmidt, A. Szczurek, A. Trzci\'nski, A. Wirzba, A. Wro\'nska, A. Yamamoto, B. H\"oistad, B. Kamys, B. K{\l}os, B.K. Nandi, B. Lorentz, B. Maria\'nski, B.R. Jany, B. Shwartz, C.F. Redmer, C.-O. Gullstr\"om, D. Coderre, D. Lersch, D. Prasuhn, D. Pszczel, E. Czerwi\'nski, E. Doroshkevich, E. Perez del Rio, E. Stephan, F.A. Khan, F. Goldenbaum, F. Hauenstein, F. Hinterberger, F.S. Bergmann, G.J. Wagner, G. Kemmerling, G. Sterzenbach, H. Bhatt, H. Cal\'en, H. Clement, H. Kleines, H. Ohm, H.-P. Morsch, H. Stockhorst, H. Str\"oher, I. Ciepa{\l}, I. Ozerianska, J. Klaja, J. Ritman, J. Smyrski, J. Stepaniak, J. Zabierowski, J. Z{\l}oma\'nczuk, K. Demmich, K. F\"ohl, K. Fransson, K. Grigoryev, K. Lalwani, K. Pysz, L. Heijkenskj\"old, L. Jarczyk, L. Li, M. Bashkanov, M. Ber{\l}owski, M. B\"uscher, M. Hodana, M.J. Zieli\'nski, M. Krapp, M. Mikirtychiants, M. Siemaszko, M. Skurzok, M. Wolke, M. \.Zurek, N. Piskunov, N. Shah, P. Fedorets, P. Goslawski, P. Kulessa, P. Marciniewski, P. Moskal, P. Pluci\'nski, P. Podkopa{\l}, P. Wurm, P. W\"ustner, P. \.Zupra\'nski, R. Engels, R. Maier, R. Siudak, R. Stassen, R. Varma, S. Kistryn, S. Sawant, S. Schadmand, T. Johansson, T. Sefzick, T. Skorodko, T. Tolba, U.-G. Mei{\ss}ner, V. Hejny, V. Serdyuk, V. Sopov, WASA-at-COSY Collaboration: P. Adlarson, W. Augustyniak, W. Bardan, W. Erven, W. Eyrich, W. Krzemie\'n, W. W\c{e}glorz, W. Zipper, Z. Rudy

arxiv:1304.0671 v2 · 2013-04-02 · hep-ex · hep-ph · nucl-ex

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UGWSI4JTQX5RPRW4G3JBGI3XAN}

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 2026-05-18T03:11:33.371738Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a1ad24713385fb17c6dc36d2132377035a78f557bdc01d047158238a2ab89fb0

Aliases

arxiv: 1304.0671 · arxiv_version: 1304.0671v2 · doi: 10.48550/arxiv.1304.0671 · pith_short_12: UGWSI4JTQX5R · pith_short_16: UGWSI4JTQX5RPRW4 · pith_short_8: UGWSI4JT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UGWSI4JTQX5RPRW4G3JBGI3XAN \
  | 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: a1ad24713385fb17c6dc36d2132377035a78f557bdc01d047158238a2ab89fb0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "217444aebc79edfbce16fb917da02f944fb3d1fe93b977a7ab64a32e4a14e202",
    "cross_cats_sorted": [
      "hep-ph",
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2013-04-02T15:50:56Z",
    "title_canon_sha256": "4677cca0b6c482c37b3f8d18ba7e3536a1da9becd5d34802332e11f69a93706e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0671",
    "kind": "arxiv",
    "version": 2
  }
}