Pith Number

pith:NHX6NDVO

pith:2001:NHX6NDVOFY5ZUUJVWVQUSMCOMQ

not attested not anchored not stored refs pending

Heavy quark production in $\gamma\gamma$ collisions

Jiri Chyla

arxiv:hep-ph/0111469 v1 · 2001-11-30 · 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{NHX6NDVOFY5ZUUJVWVQUSMCOMQ}

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	2026-05-18T00:37:12.764052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69efe68eae2e3b9a5135b56149304e642ceb3a4c7b4e518492037062dad87965

Aliases

arxiv: hep-ph/0111469 · arxiv_version: hep-ph/0111469v1 · doi: 10.48550/arxiv.hep-ph/0111469 · pith_short_12: NHX6NDVOFY5Z · pith_short_16: NHX6NDVOFY5ZUUJV · pith_short_8: NHX6NDVO

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/NHX6NDVOFY5ZUUJVWVQUSMCOMQ \
  | 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: 69efe68eae2e3b9a5135b56149304e642ceb3a4c7b4e518492037062dad87965

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c75ce656e037db98b13f3095d4840099e0cc0cc1bc64057b4c1f6fe9bbb8c62",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2001-11-30T15:44:20Z",
    "title_canon_sha256": "7548145c7813187d54bb387eabc5cc9049029bdb3a4268feab78acfe39083c32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0111469",
    "kind": "arxiv",
    "version": 1
  }
}