Pith Number

pith:6VQCTD7P

pith:1998:6VQCTD7PFS3Y27HKZB2VSR22XD

not attested not anchored not stored refs pending

Automatic Computation of Feynman Diagrams

M. Steinhauser, R. Harlander

arxiv:hep-ph/9812357 v2 · 1998-12-14 · 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{6VQCTD7PFS3Y27HKZB2VSR22XD}

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	2026-05-18T04:15:26.979542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f560298fef2cb78d7ceac87559475ab8c111e6b3860bbef83d78249c100bd3f6

Aliases

arxiv: hep-ph/9812357 · arxiv_version: hep-ph/9812357v2 · doi: 10.48550/arxiv.hep-ph/9812357 · pith_short_12: 6VQCTD7PFS3Y · pith_short_16: 6VQCTD7PFS3Y27HK · pith_short_8: 6VQCTD7P

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/6VQCTD7PFS3Y27HKZB2VSR22XD \
  | 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: f560298fef2cb78d7ceac87559475ab8c111e6b3860bbef83d78249c100bd3f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01b1dee189b25cd7aee998105c6a332271a5e3541c47f1823d4e3914441675f6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-12-14T16:16:42Z",
    "title_canon_sha256": "3ed3648944074364e3598105bcba13ecd736100306bf902f491caea57f05855f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9812357",
    "kind": "arxiv",
    "version": 2
  }
}