pith. sign in
Pith Number

pith:OYWNZZ3A

pith:2014:OYWNZZ3AW2WNHFLUHDY2XLPTZ5
not attested not anchored not stored refs pending

NNLO QCD subtraction for top-antitop production in the $q\bar{q}$ channel

Aude Gehrmann-De Ridder, Gabriel Abelof, Philipp Maierh\"ofer, Stefano Pozzorini

arxiv:1404.6493 v2 · 2014-04-25 · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OYWNZZ3AW2WNHFLUHDY2XLPTZ5}

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 2026-05-18T01:43:23.198724Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

762cdce760b6acd3957438f1abadf3cf66015a761062e31d7a7b4db94d27be08

Aliases

arxiv: 1404.6493 · arxiv_version: 1404.6493v2 · doi: 10.48550/arxiv.1404.6493 · pith_short_12: OYWNZZ3AW2WN · pith_short_16: OYWNZZ3AW2WNHFLU · pith_short_8: OYWNZZ3A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OYWNZZ3AW2WNHFLUHDY2XLPTZ5 \
  | 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: 762cdce760b6acd3957438f1abadf3cf66015a761062e31d7a7b4db94d27be08
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fb0d10254b090885ac3d0eb9c798675cf34555dd54cefc925b2b793bf218ed66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2014-04-25T18:13:51Z",
    "title_canon_sha256": "a18c6bae2a979fff345f080040cdfea67ec9395259cf616f8c31dcf09b2b3a75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6493",
    "kind": "arxiv",
    "version": 2
  }
}