Pith Number

pith:2QHQGBPT

pith:1994:2QHQGBPTYWVUCMR2GQIVY3ZZGG

not attested not anchored not stored refs pending

Rates for Inclusive Deep-Inelastic Electroproduction of Charm Quarks at HERA

J. Smith, S. Riemersma, W.L. van Neerven

arxiv:hep-ph/9411431 v1 · 1994-11-30 · 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{2QHQGBPTYWVUCMR2GQIVY3ZZGG}

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	2026-05-18T04:17:43.895449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d40f0305f3c5ab41323a34115c6f3931a3c188507120b763d54d1cedaa64b5d4

Aliases

arxiv: hep-ph/9411431 · arxiv_version: hep-ph/9411431v1 · doi: 10.48550/arxiv.hep-ph/9411431 · pith_short_12: 2QHQGBPTYWVU · pith_short_16: 2QHQGBPTYWVUCMR2 · pith_short_8: 2QHQGBPT

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/2QHQGBPTYWVUCMR2GQIVY3ZZGG \
  | 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: d40f0305f3c5ab41323a34115c6f3931a3c188507120b763d54d1cedaa64b5d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eadb55e79354903f2c3c934238c95e8dab7aba4b977ba84127cf8b6a07396634",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1994-11-30T02:37:34Z",
    "title_canon_sha256": "d2254916b1a477df678b3d95929cedea63930a4468703e818d146d8e0c050407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9411431",
    "kind": "arxiv",
    "version": 1
  }
}