Pith Number

pith:QKS5A6C4

pith:2019:QKS5A6C4HPQHUP7JLO5HYJK65P

not attested not anchored not stored refs pending

Four-loop quark form factor with quartic fundamental colour factor

Alexander V. Smirnov, Matthias Steinhauser, Roman N. Lee, Vladimir A. Smirnov

arxiv:1901.02898 v1 · 2019-01-09 · 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{QKS5A6C4HPQHUP7JLO5HYJK65P}

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

1 paper in Pith

Progress on the soft anomalous dimension in QCD

Receipt and verification

First computed	2026-05-17T23:50:21.935490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82a5d0785c3be07a3fe95bba7c255eebc13cbda26ec1378c5d34d4dfd8fbafef

Aliases

arxiv: 1901.02898 · arxiv_version: 1901.02898v1 · doi: 10.48550/arxiv.1901.02898 · pith_short_12: QKS5A6C4HPQH · pith_short_16: QKS5A6C4HPQHUP7J · pith_short_8: QKS5A6C4

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/QKS5A6C4HPQHUP7JLO5HYJK65P \
  | 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: 82a5d0785c3be07a3fe95bba7c255eebc13cbda26ec1378c5d34d4dfd8fbafef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1f786042e39182755a4489a35038de87e736833febe2350efff87123eb4f784",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2019-01-09T19:00:10Z",
    "title_canon_sha256": "d0d181f8a246354606c620f936d9044e190a591f8e57b8aac09711f8304d1601"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02898",
    "kind": "arxiv",
    "version": 1
  }
}