Pith Number

pith:EPM7UP7Q

pith:1998:EPM7UP7QY2F4MNBPBB3NJ33QHH

not attested not anchored not stored refs pending

Spin Dependence of Associated Production of a Prompt Photon and a Charm Quark at Next-to-Leading Order in QCD

Edmond L. Berger (Argonne), Hampton University), Lionel E. Gordon (Jefferson Lab

arxiv:hep-ph/9806265 v1 · 1998-06-04 · 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{EPM7UP7QY2F4MNBPBB3NJ33QHH}

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	2026-05-18T02:36:58.221308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23d9fa3ff0c68bc6342f0876d4ef7039e711ed247f4b398d8c0dccd0da336219

Aliases

arxiv: hep-ph/9806265 · arxiv_version: hep-ph/9806265v1 · doi: 10.48550/arxiv.hep-ph/9806265 · pith_short_12: EPM7UP7QY2F4 · pith_short_16: EPM7UP7QY2F4MNBP · pith_short_8: EPM7UP7Q

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/EPM7UP7QY2F4MNBPBB3NJ33QHH \
  | 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: 23d9fa3ff0c68bc6342f0876d4ef7039e711ed247f4b398d8c0dccd0da336219

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53707a83e14b076402afdc65bed4ea08bd45e35c10ac69c5c440e1a1b75ccc49",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-06-04T22:11:39Z",
    "title_canon_sha256": "2349fcdb3353dad54a6d388c690a49bad7320be8516641278dada62b3dab264a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9806265",
    "kind": "arxiv",
    "version": 1
  }
}