Pith Number

pith:VHDYCHP2

pith:2022:VHDYCHP2JZWSDZZLAT7RNDTXFN

not attested not anchored not stored refs pending

Polarization observables in double neutral pion photoproduction

A. Berlin, A. K\"aser, A. Thiel, A.V. Anisovich, A.V. Sarantsev, A. Wilson, B. Krusche, B. Roth, CBELSA/TAPS Collaboration: T. Seifen, Ch. Funke, Ch. Hammann, Ch. Honisch, Ch. Schmidt, Ch. Wendel, D. Elsner, D. Kaiser, D. Walther, E. Gutz, E. Klempt, F. Afzal, F. Frommberger, F. Kalischewski, F. Klein, F. Messi, G. Reicherz, G. Urff, H. Dutz, H. Eberhardt, H. Kalinowsky, H. Schmieden, H. van Pee, I. Keshelashvili, J. Hannappel, J. Hartmann, J. Herick, J. M\"uller, J. M\"ullers, J. Schultes, K. Fornet-Ponse, K. Koop, K. Makonyi, K. Nikonov, K.-Th. Brinkmann, L. Witthauer, M. Becker, M. Bichow, M. Dieterle, M. Gottschall, M. Gr\"uner, M. Lang, M. Nanova, M. Urban, N. Stausberg, O. Jahn, Ph. Hoffmeister, Ph. Mahlberg, P. Klassen, R. Beck, R. Novotny, R. Schmitz, S. Reeve, St. Friedrich, St. G\"ortz, St. Runkel, T. Jude, T. Rostomyan, U. Thoma, U. Wiedner, V.A. Nikonov, V. Crede, V. Metag, V. Sokhoyan, W. Hillert, W. Meyer, Y. Wunderlich

arxiv:2207.01981 v3 · 2022-07-05 · nucl-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{VHDYCHP2JZWSDZZLAT7RNDTXFN}

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	2026-07-05T11:42:19.124567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9c7811dfa4e6d21e72b04ff168e772b40163b203aa327676cb2a9b8049e5287

Aliases

arxiv: 2207.01981 · arxiv_version: 2207.01981v3 · doi: 10.48550/arxiv.2207.01981 · pith_short_12: VHDYCHP2JZWS · pith_short_16: VHDYCHP2JZWSDZZL · pith_short_8: VHDYCHP2

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/VHDYCHP2JZWSDZZLAT7RNDTXFN \
  | 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: a9c7811dfa4e6d21e72b04ff168e772b40163b203aa327676cb2a9b8049e5287

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c01fcbb062a626b576219fbac8751976464446998d293cffb3854a1e87cfe207",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2022-07-05T11:48:48Z",
    "title_canon_sha256": "192c1d03b9378fcf35516f0eb1bcad2aa65a39480ed5945d0151555accb12291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.01981",
    "kind": "arxiv",
    "version": 3
  }
}