pith. sign in
Pith Number

pith:USPIZFLW

pith:2002:USPIZFLWUJ5XM5NPTU6QC4DDMX
not attested not anchored not stored refs pending

Photoproduction of W Bosons at HERA: QCD Corrections

Christian Schwanenberger, Kai-Peer O. Diener, Michael Spira

arxiv:hep-ph/0203269 v4 · 2002-03-28 · hep-ph · hep-ex

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{USPIZFLWUJ5XM5NPTU6QC4DDMX}

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 2026-05-18T04:13:25.893465Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a49e8c9576a27b7675af9d3d01706365f8f53004172f26f416e3908206f3e13d

Aliases

arxiv: hep-ph/0203269 · arxiv_version: hep-ph/0203269v4 · doi: 10.48550/arxiv.hep-ph/0203269 · pith_short_12: USPIZFLWUJ5X · pith_short_16: USPIZFLWUJ5XM5NP · pith_short_8: USPIZFLW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/USPIZFLWUJ5XM5NPTU6QC4DDMX \
  | 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: a49e8c9576a27b7675af9d3d01706365f8f53004172f26f416e3908206f3e13d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bd30e9e1f428d003c2506578d3db26a456b1ebe4060fd17762a586accfa6b299",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2002-03-28T16:10:03Z",
    "title_canon_sha256": "97c3c2e06d57c8e430fd077a1a13609e585e8a33221ef0da27ebcdfb9409f9ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0203269",
    "kind": "arxiv",
    "version": 4
  }
}