Pith Number

pith:EDPMDV7B

pith:2009:EDPMDV7B2LBAXQIM6LI2DRBLVL

not attested not anchored not stored refs pending

NLO Antenna Subtraction with Massive Fermions

A. Gehrmann-De Ridder, M. Ritzmann

arxiv:0904.3297 v2 · 2009-04-21 · 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{EDPMDV7B2LBAXQIM6LI2DRBLVL}

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	2026-07-04T15:46:27.088265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20dec1d7e1d2c20bc10cf2d1a1c42baad994a9ea7dc73e141db38db715a06156

Aliases

arxiv: 0904.3297 · arxiv_version: 0904.3297v2 · doi: 10.48550/arxiv.0904.3297 · pith_short_12: EDPMDV7B2LBA · pith_short_16: EDPMDV7B2LBAXQIM · pith_short_8: EDPMDV7B

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/EDPMDV7B2LBAXQIM6LI2DRBLVL \
  | 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: 20dec1d7e1d2c20bc10cf2d1a1c42baad994a9ea7dc73e141db38db715a06156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88adca6d3f45473a93b43ece61f1b530c45ee12fde995c9cc958667f0e04642d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-04-21T18:28:19Z",
    "title_canon_sha256": "cc97a026c911c2041a442660e27e42285b9cc49ae98258b4ac0b97f36f5a4c8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3297",
    "kind": "arxiv",
    "version": 2
  }
}