Pith Number

pith:VPNEGWLM

pith:1998:VPNEGWLMAGN2BGSXXMADSEWX3Q

not attested not anchored not stored refs pending

Isolated photons without fragmentation contribution

S. Frixione (ETH Zurich)

arxiv:hep-ph/9809397 v1 · 1998-09-15 · 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{VPNEGWLMAGN2BGSXXMADSEWX3Q}

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	2026-07-04T14:30:46.324032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abda43596c019ba09a57bb003912d7dc28b71afa674be47af258544f16d2e655

Aliases

arxiv: hep-ph/9809397 · arxiv_version: hep-ph/9809397v1 · doi: 10.48550/arxiv.hep-ph/9809397 · pith_short_12: VPNEGWLMAGN2 · pith_short_16: VPNEGWLMAGN2BGSX · pith_short_8: VPNEGWLM

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/VPNEGWLMAGN2BGSXXMADSEWX3Q \
  | 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: abda43596c019ba09a57bb003912d7dc28b71afa674be47af258544f16d2e655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bfb14b084804390506f0408a3c346f02b116f84c4d6dfad556b2450ef7df9d4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-09-15T15:33:46Z",
    "title_canon_sha256": "0ca47c7a4557d7624358cd14030f140d7951f72a144cefbb1ed56fd51c6feb8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9809397",
    "kind": "arxiv",
    "version": 1
  }
}