Pith Number

pith:7RQZRRS5

pith:2000:7RQZRRS5KXWQQGK62N56RXHVDH

not attested not anchored not stored refs pending

Towards a solution of the charmonium production controversy: k_t-factorization versus color octet mechanism

A. Schafer, L. Szymanowski, O.V. Teryaev, Ph. Hagler, R. Kirschner

arxiv:hep-ph/0004263 v2 · 2000-04-28 · 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{7RQZRRS5KXWQQGK62N56RXHVDH}

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	2026-05-18T04:26:12.064461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc6198c65d55ed08195ed37be8dcf519ca573c2b89cb3c10584c0805e51cfae2

Aliases

arxiv: hep-ph/0004263 · arxiv_version: hep-ph/0004263v2 · doi: 10.48550/arxiv.hep-ph/0004263 · pith_short_12: 7RQZRRS5KXWQ · pith_short_16: 7RQZRRS5KXWQQGK6 · pith_short_8: 7RQZRRS5

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/7RQZRRS5KXWQQGK62N56RXHVDH \
  | 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: fc6198c65d55ed08195ed37be8dcf519ca573c2b89cb3c10584c0805e51cfae2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b71d9012b3dcc6751f480d8dd976da5294922bdc0a558c3904184fd9b35c46b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2000-04-28T08:06:38Z",
    "title_canon_sha256": "f3ae189b68389e294885d9dbb3378542b4f99d54524eebf224b87a118a8552b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0004263",
    "kind": "arxiv",
    "version": 2
  }
}