Pith Number

pith:GRPD4WQY

pith:2019:GRPD4WQYVEL7EPODDLV63YUP4T

not attested not anchored not stored refs pending

Beam Asymmetry $\mathbf{\Sigma}$ for the Photoproduction of $\mathbf{\eta}$ and $\mathbf{\eta^{\prime}}$ Mesons at $\mathbf{E_{\gamma}=8.8}$GeV

A. Ali, A. Austregesilo, A. Barnes, A. Deur, A. Dolgolenko, A. Ernst, A. Gasparian, A. Goncalves, A. Hamdi, A. Hurley, A. I. Ostrovidov, A. M. Foda, A. M. Schertz, A. Somov, A. Teymurazyan, A. Thiel, A. Yu. Semenov, B. E. Cannon, B. G. Ritchie, B. Liu, B. Zihlmann, C. A. Meyer, C. Fanelli, C. Gleason, C. Kourkoumelis, C. Paudel, C. Romero, C. Salgado, D. G. Ireland, D. I. Lersch, D. I. Sober, D. Lawrence, D. Mack, D. Romanov, E. Barriga, E. Chudakov, E. Pooser, E. S. Smith, F. Barbosa, F. Nerling, G. J. Lolos, G. Kalicy, G. M. Huber, G. Vasileiadis, G. Zhao, H. Egiyan, H. Hakobyan, H. Li, H. Marukyan, I. A. Semenova, I. I. Strakovsky, I. Larin, J. Barlow, J. Foote, J. Frye, J. Reinhold, J. R. Stevens, J. Schwiening, J. Zarling, K. Goetzen, K. J. Peters, K. K. Seth, K. Livingston, K. Suresh, L. Gan, L. Guo, L. Ng, L. Pentchev, L. Robison, M. Amaryan, M. Boer, M. Dugger, M. Kamel, M. McCaughan, M. McCracken, M. M. Dalton, M. M. Ito, M. Patsyuk, M. R. Shepherd, M. Staib, M. Williams, N. Cao, N. Gevorgyan, N. Qin, N. S. Jarvis, N. Wickramaarachchi, O. Cortes, O. Soto, P. Eugenio, P. Mattione, P. Pauli, Q. Zhou, R. A. Schumacher, R. Barsotti, R. Dotel, R. Dzhygadlo, R. E. Mitchell, R. Miskimen, R. Pedroni, R. T. Jones, S. Cole, S. Dobbs, S. Fegan, S. Furletov, S. Kuleshov, S. Somov, S. Taylor, T. Black, T. Britton, T. Daniels, T. D. Beattie, T. Erbora, The GlueX Collaboration: S. Adhikari, T. Whitlatch, T. Xiao, V. Crede, V. Kakoyan, V. Lyubovitskij, V. Matveev, V. S. Goryachev, V. V. Berdnikov, V. V. Tarasov, W. Boeglin, W. J. Briscoe, W. K. Brooks, W. Li, W. McGinley, W. Phelps, X. Shen, X. Zhou, Y. Yang, Z. Papandreou, Z. Zhang

arxiv:1908.05563 v2 · 2019-08-15 · nucl-ex · 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{GRPD4WQYVEL7EPODDLV63YUP4T}

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	2026-07-05T00:23:43.468462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

345e3e5a18a917f23dc31aebede28fe4da773222aafb059139139364744772f8

Aliases

arxiv: 1908.05563 · arxiv_version: 1908.05563v2 · doi: 10.48550/arxiv.1908.05563 · pith_short_12: GRPD4WQYVEL7 · pith_short_16: GRPD4WQYVEL7EPOD · pith_short_8: GRPD4WQY

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/GRPD4WQYVEL7EPODDLV63YUP4T \
  | 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: 345e3e5a18a917f23dc31aebede28fe4da773222aafb059139139364744772f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b035490baba212453506979b73e708b44d9f33fd33705112ac81312c7075b9fc",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2019-08-15T14:35:12Z",
    "title_canon_sha256": "ce48f369e84ac358e527bb04eb1494a93ed6e76f1abb93f700a01c89a542d9a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05563",
    "kind": "arxiv",
    "version": 2
  }
}