Pith Number

pith:7SBX4E7F

pith:1997:7SBX4E7FM5W2VZKNASATQXHXKH

not attested not anchored not stored refs pending

Central pseudoscalar production in pp scattering and the gluon contribution to the proton spin

J. M. Frere (U. Libre de Bruxelles), P. Castoldi, R. Escribano

arxiv:hep-ph/9712387 v2 · 1997-12-15 · 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{7SBX4E7FM5W2VZKNASATQXHXKH}

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	2026-07-04T16:05:20.254089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc837e13e5676daae54d0481385cf751c97fd767a023d293ed982dc0e04b3f6a

Aliases

arxiv: hep-ph/9712387 · arxiv_version: hep-ph/9712387v2 · doi: 10.48550/arxiv.hep-ph/9712387 · pith_short_12: 7SBX4E7FM5W2 · pith_short_16: 7SBX4E7FM5W2VZKN · pith_short_8: 7SBX4E7F

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/7SBX4E7FM5W2VZKNASATQXHXKH \
  | 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: fc837e13e5676daae54d0481385cf751c97fd767a023d293ed982dc0e04b3f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0349eb858f0e5644eb1803a1183d1c9add563bc5b58d4fc338a4e3327c6bd73e",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1997-12-15T18:29:19Z",
    "title_canon_sha256": "536724ce4c7ff1c6db177ce25310144d36d55d5dc35fa63955e3f475ea57e75b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9712387",
    "kind": "arxiv",
    "version": 2
  }
}