Pith Number

pith:L2I7IST7

pith:1999:L2I7IST7FHVSHRC2LRQBMRAL5Q

not attested not anchored not stored refs pending

Bethe-Heitler cross-section for very high photon energies and large muon scattering angles

Albrecht Leuschner, Gerhard Baur

arxiv:hep-ph/9902245 v1 · 1999-02-05 · 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{L2I7IST7FHVSHRC2LRQBMRAL5Q}

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	2026-05-18T04:13:17.662136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e91f44a7f29eb23c45a5c6016440bec01eac2753323afb4c10d35ddd6b23e50

Aliases

arxiv: hep-ph/9902245 · arxiv_version: hep-ph/9902245v1 · doi: 10.48550/arxiv.hep-ph/9902245 · pith_short_12: L2I7IST7FHVS · pith_short_16: L2I7IST7FHVSHRC2 · pith_short_8: L2I7IST7

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/L2I7IST7FHVSHRC2LRQBMRAL5Q \
  | 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: 5e91f44a7f29eb23c45a5c6016440bec01eac2753323afb4c10d35ddd6b23e50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf325f7f3ca36aaf37d91aed8cd8065946fee315c74b2586e39996a1344c05e4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-02-05T09:47:38Z",
    "title_canon_sha256": "bb0fdc6e3e77c0af63e1f50bd5e2b2fcb90474f0ccf3916ad71eb177659bf1e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9902245",
    "kind": "arxiv",
    "version": 1
  }
}