Pith Number

pith:O6C62WBW

pith:2008:O6C62WBWPHVYLSKEP4SXGGOJAF

not attested not anchored not stored refs pending

An Automated Implementation of On-Shell Methods for One-Loop Amplitudes

C. F. Berger, D. A. Kosower, D. Forde, D. Maitre, F. Febres Cordero, H. Ita, L. J. Dixon, Z. Bern

arxiv:0803.4180 v1 · 2008-03-28 · 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{O6C62WBWPHVYLSKEP4SXGGOJAF}

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

6 papers in Pith

On the spanning cuts consistency problem in the IBP reductions of Feynman integrals

Monte Carlo Event Generators for Future Lepton Colliders

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

The Monte Carlo Ecosystem in High-Energy Physics: A Primer

A general framework for implementing NLO calculations in shower Monte Carlo programs: the POWHEG BOX

Receipt and verification

First computed	2026-07-04T15:29:57.254345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7785ed583679eb85c9447f257319c9017915c6255ad729660ff439ea1fa39b66

Aliases

arxiv: 0803.4180 · arxiv_version: 0803.4180v1 · doi: 10.48550/arxiv.0803.4180 · pith_short_12: O6C62WBWPHVY · pith_short_16: O6C62WBWPHVYLSKE · pith_short_8: O6C62WBW

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/O6C62WBWPHVYLSKEP4SXGGOJAF \
  | 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: 7785ed583679eb85c9447f257319c9017915c6255ad729660ff439ea1fa39b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4695e1137f668a657c661a766dae8688dce979364e74f8b60fe2d512f2a1691b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-03-28T19:56:39Z",
    "title_canon_sha256": "5b53271584824ebcb70ad368301a2b48dcbd8fb7863c7d1f339ead7b14284872"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.4180",
    "kind": "arxiv",
    "version": 1
  }
}