Pith. sign in
Pith Number

pith:G3PLRMRN

pith:1998:G3PLRMRNIYV2KOZTUNZPA2WYNA
not attested not anchored not stored refs pending

The Singular Behaviour of QCD Amplitudes at Two-loop Order

Stefano Catani (CERN)

arxiv:hep-ph/9802439 v1 · 1998-02-26 · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{G3PLRMRNIYV2KOZTUNZPA2WYNA}

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.

Cited by

13 papers in Pith

Receipt and verification
First computed 2026-07-04T16:09:10.637020Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

36deb8b22d462ba53b33a372f06ad86808630722a525bffc05b2204a33dd3523

Aliases

arxiv: hep-ph/9802439 · arxiv_version: hep-ph/9802439v1 · doi: 10.48550/arxiv.hep-ph/9802439 · pith_short_12: G3PLRMRNIYV2 · pith_short_16: G3PLRMRNIYV2KOZT · pith_short_8: G3PLRMRN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/G3PLRMRNIYV2KOZTUNZPA2WYNA \
  | 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: 36deb8b22d462ba53b33a372f06ad86808630722a525bffc05b2204a33dd3523
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "112a8fcdd029c12c62f54726ad41f51278865e8e9fd609c45187ba15647a3bb0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-02-26T19:15:08Z",
    "title_canon_sha256": "b2024a29d199746deea825a0f196375f3f13bb167f906886a6b389fcd1c70348"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9802439",
    "kind": "arxiv",
    "version": 1
  }
}