Pith Number

pith:NGRWFPNU

pith:2003:NGRWFPNURTA2RSVNV3XFLPEONB

not attested not anchored not stored refs pending

Vertex diagrams for the QED form factors at the 2-loop level

(2) Bologna U., 3), (3) Karlsruhe U., 4) ((1) Freiburg U., (4) INFN), E. Remiddi (2, P. Mastrolia (2, R. Bonciani (1)

arxiv:hep-ph/0301170 v4 · 2003-01-21 · 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{NGRWFPNURTA2RSVNV3XFLPEONB}

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

The anomalous magnetic moment of the muon in the Standard Model

Receipt and verification

First computed	2026-07-04T15:18:20.946243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69a362bdb48cc1a8caadaeee55bc8e684c8eed02b8f51bca5c5fa61559e661d4

Aliases

arxiv: hep-ph/0301170 · arxiv_version: hep-ph/0301170v4 · doi: 10.48550/arxiv.hep-ph/0301170 · pith_short_12: NGRWFPNURTA2 · pith_short_16: NGRWFPNURTA2RSVN · pith_short_8: NGRWFPNU

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/NGRWFPNURTA2RSVNV3XFLPEONB \
  | 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: 69a362bdb48cc1a8caadaeee55bc8e684c8eed02b8f51bca5c5fa61559e661d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7828c0c58f1f12a7d1d4eadcd754df09403bf7cd85b4ac5734dd252bb1775618",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2003-01-21T10:05:41Z",
    "title_canon_sha256": "926195766ae1b6c4a3244d08997d50e0f40ebe964355750eec09155c52009bd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0301170",
    "kind": "arxiv",
    "version": 4
  }
}