Pith Number

pith:PL5XW7A6

pith:1999:PL5XW7A6RRWJ27JBJL3GXWMUTI

not attested not anchored not stored refs pending

Next-to-Leading Order QCD Corrections to Charged Current Charm Production and the Unpolarized and Polarized Strange Sea at HERA

M. Stratmann (Durham Univ.), S. Kretzer (Dortmund Univ.)

arxiv:hep-ph/9902426 v1 · 1999-02-22 · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PL5XW7A6RRWJ27JBJL3GXWMUTI}

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	2026-05-18T04:13:17.603928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7afb7b7c1e8c6c9d7d214af66bd9949a223e029790b22bc36a43b6cb877cd368

Aliases

arxiv: hep-ph/9902426 · arxiv_version: hep-ph/9902426v1 · doi: 10.48550/arxiv.hep-ph/9902426 · pith_short_12: PL5XW7A6RRWJ · pith_short_16: PL5XW7A6RRWJ27JB · pith_short_8: PL5XW7A6

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/PL5XW7A6RRWJ27JBJL3GXWMUTI \
  | 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: 7afb7b7c1e8c6c9d7d214af66bd9949a223e029790b22bc36a43b6cb877cd368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f66784a3f30035dec44d7af4c177b7c0b3278edf7c82b9c1292c3da28218c21e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-02-22T15:47:29Z",
    "title_canon_sha256": "306052d94cc63a40f26dfa47e12d5f0a014d4ae489055ac13bb1f627c417a92b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9902426",
    "kind": "arxiv",
    "version": 1
  }
}