Pith Number

pith:WOGSNXMM

pith:2008:WOGSNXMMDGJTQZVZJYVHKCF43M

not attested not anchored not stored refs pending

Model Analysis of the $ep \to ep'\pi^+\pi^-$ Electroproduction Reaction on the Proton

Boris Ishkhanov, Gleb Fedotov, Latifa Elouadrhiri, Tsung-Shung H. Lee, Viktor Mokeev, Volker Burkert

arxiv:0809.4158 v4 · 2008-09-24 · hep-ph · nucl-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{WOGSNXMMDGJTQZVZJYVHKCF43M}

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	2026-07-04T16:21:58.590015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b38d26dd8c19933866b94e2a7508bcdb1e04485ef8bd082e869b635e427e1741

Aliases

arxiv: 0809.4158 · arxiv_version: 0809.4158v4 · doi: 10.48550/arxiv.0809.4158 · pith_short_12: WOGSNXMMDGJT · pith_short_16: WOGSNXMMDGJTQZVZ · pith_short_8: WOGSNXMM

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/WOGSNXMMDGJTQZVZJYVHKCF43M \
  | 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: b38d26dd8c19933866b94e2a7508bcdb1e04485ef8bd082e869b635e427e1741

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3399698e05695d2bff4b426f274ad34864f27d2fb723c7ae2e08592df5602a9",
    "cross_cats_sorted": [
      "nucl-ex",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-09-24T14:50:12Z",
    "title_canon_sha256": "db85488d3cbc69ea4db439aeefc411b163c931dd757d7839ea7c18a6e5c60cec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4158",
    "kind": "arxiv",
    "version": 4
  }
}