Pith Number

pith:Z4WDNN22

pith:1997:Z4WDNN226DGXQEOJHX444A7NQ7

not attested not anchored not stored refs pending

Heavy-Quark Production

G. Ridolfi, M.L. Mangano, P. Nason, S. Frixione

arxiv:hep-ph/9702287 v2 · 1997-02-07 · hep-ph · 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{Z4WDNN226DGXQEOJHX444A7NQ7}

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	2026-05-18T01:00:24.742571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf2c36b75af0cd7811c93df9ce03ed87dabb3e6870b6a1bf498a0fd79b3759a1

Aliases

arxiv: hep-ph/9702287 · arxiv_version: hep-ph/9702287v2 · doi: 10.48550/arxiv.hep-ph/9702287 · pith_short_12: Z4WDNN226DGX · pith_short_16: Z4WDNN226DGXQEOJ · pith_short_8: Z4WDNN22

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/Z4WDNN226DGXQEOJHX444A7NQ7 \
  | 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: cf2c36b75af0cd7811c93df9ce03ed87dabb3e6870b6a1bf498a0fd79b3759a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a808ea7ade6bc5b75b22628ffb55edac6878407b989af0ee8df2ad86616fd879",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1997-02-07T11:47:11Z",
    "title_canon_sha256": "91f156aa6a86e05bf6809992a2369118c55523bb5eed1a6b27d60ee113127a17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9702287",
    "kind": "arxiv",
    "version": 2
  }
}