Pith Number

pith:56CW2DYG

pith:2009:56CW2DYGOIBURKWDX2CLY74RHV

not attested not anchored not stored refs pending

A simple formula for the infrared singular part of the integrand of one-loop QCD amplitudes

Mohammad Assadsolimani, Sebastian Becker, Stefan Weinzierl

arxiv:0912.1680 v2 · 2009-12-09 · hep-ph

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\usepackage{pith}
\pithnumber{56CW2DYGOIBURKWDX2CLY74RHV}

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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

1 paper in Pith

General finite two-loop amplitude integrand for photoproduction in quark annihilation

Receipt and verification

First computed	2026-07-04T17:29:12.740736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef856d0f06720348aac3be84bc7f913d6450e6db6d13cc06c23c0877082cb4cf

Aliases

arxiv: 0912.1680 · arxiv_version: 0912.1680v2 · doi: 10.48550/arxiv.0912.1680 · pith_short_12: 56CW2DYGOIBU · pith_short_16: 56CW2DYGOIBURKWD · pith_short_8: 56CW2DYG

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/56CW2DYGOIBURKWDX2CLY74RHV \
  | 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: ef856d0f06720348aac3be84bc7f913d6450e6db6d13cc06c23c0877082cb4cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d8d4102ab993a6ec4e76eabeef45913a94c48a02ba4de2704ac3e5f2099888f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-12-09T08:19:45Z",
    "title_canon_sha256": "27dc741f29b170bd0b378f0e03ccb9e08a0a152ea1ee339990d2d8f61aa5161f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1680",
    "kind": "arxiv",
    "version": 2
  }
}