Pith Number

pith:ZHU5EU6V

pith:2002:ZHU5EU6VVG54VGMZOCKTV3ILO4

not attested not anchored not stored refs pending

Supersymmetric Regularization, Two-Loop QCD Amplitudes and Coupling Shifts

A. De Freitas, H.L. Wong, L. Dixon, Z. Bern

arxiv:hep-ph/0202271 v2 · 2002-02-28 · 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{ZHU5EU6VVG54VGMZOCKTV3ILO4}

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

4 papers in Pith

A numerical evaluation of planar two-loop helicity amplitudes for a W-boson plus four partons

Disperon QED

On Carrollian Loop Amplitudes for Gauge Theory and Gravity

Receipt and verification

First computed	2026-05-18T04:36:07.088767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9e9d253d5a9bbca999970953aed0b772496da9cdca30456c12085e996e7f0c7

Aliases

arxiv: hep-ph/0202271 · arxiv_version: hep-ph/0202271v2 · doi: 10.48550/arxiv.hep-ph/0202271 · pith_short_12: ZHU5EU6VVG54 · pith_short_16: ZHU5EU6VVG54VGMZ · pith_short_8: ZHU5EU6V

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/ZHU5EU6VVG54VGMZOCKTV3ILO4 \
  | 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: c9e9d253d5a9bbca999970953aed0b772496da9cdca30456c12085e996e7f0c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8a247529e934905de5418e68361f54f9c617a6065a5a3317e433fb889778b6e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2002-02-28T17:33:21Z",
    "title_canon_sha256": "c3aecb211eadfec25655d812fb06bbafbcc320ce39514de19e541386714c38ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0202271",
    "kind": "arxiv",
    "version": 2
  }
}