Pith Number

pith:SY72BFHN

pith:2019:SY72BFHNPSUBPBBBOXXAVDAGXU

not attested not anchored not stored refs pending

Measurement of the Helicity Asymmetry $E$ for the reaction $ \gamma p\to \pi^0 p$

A. Gridnev, A. Sarantsev, A. Thiel, A.V. Anisovich, A. Wilson, A. Winnebeck, B. Krusche, CBELSA/TAPS collaboration: M. Gottschall, Ch. Hammann, Ch. Honisch, Ch. Schmidt, Ch. Wendel, D. Bayadilov, D. Elsner, D. Piontek, D. Walther, D. Werthm\"uller, E. Gutz, E. Klempt, F. Afzal, F. Dietz, F. Frommberger, F. Klein, G. Reicherz, H. Dutz, H. Eberhardt, H. Kalinowsky, H. Schmieden, H. van Pee, I. Keshelashvili, I. Lopatin, J. Hannappel, J. Hartmann, J. M\"uller, J. M\"ullers, K. Fornet-Ponse, K. Koop, K. Makonyi, K. Spieker, K.-Th. Brinkmann, L. Witthauer, M. Bichow, M. Dieterle, M. Gr\"uner, M. Kube, M. Lang, M. Nanova, M. Urban, Ph. Hoffmeister, P. Klassen, P. Mahlberg, R. Beck, R. Ewald, R. Novotny, S. Kammer, St. Friedrich, T. Jude, T. Rostomyan, T. Seifen, U. Thoma, U. Wiedner, V. Crede, V. Metag, V. Nikonov, V. Sokhoyan, W. Hillert, W. Meyer, Y. Wunderlich

arxiv:1904.12560 v1 · 2019-04-29 · 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{SY72BFHNPSUBPBBBOXXAVDAGXU}

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	2026-05-17T23:47:34.836973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

963fa094ed7ca817842175ee0a8c06bd16385a49187faf134316ca6d3a5338e9

Aliases

arxiv: 1904.12560 · arxiv_version: 1904.12560v1 · doi: 10.48550/arxiv.1904.12560 · pith_short_12: SY72BFHNPSUB · pith_short_16: SY72BFHNPSUBPBBB · pith_short_8: SY72BFHN

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/SY72BFHNPSUBPBBBOXXAVDAGXU \
  | 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: 963fa094ed7ca817842175ee0a8c06bd16385a49187faf134316ca6d3a5338e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c70e8b290de8e2973b2aed3cf4f707b819a441a6fcdb8b0f1db5cb9675fd3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2019-04-29T11:24:00Z",
    "title_canon_sha256": "9a7a1a554d3df5032562ac9e03711c8490ca4038c9de7e6b19a6f9f27ce146b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12560",
    "kind": "arxiv",
    "version": 1
  }
}