Pith Number

pith:2QR4A3TB

pith:2011:2QR4A3TBEC4IPKLSVET2DVATV3

not attested not anchored not stored refs pending

Dimensional regularization of the free-electron self-energy and vertex correction in Coulomb gauge

Ingvar Lindgren

arxiv:1107.4669 v1 · 2011-07-23 · quant-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{2QR4A3TBEC4IPKLSVET2DVATV3}

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	2026-05-18T04:17:02.076235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d423c06e6120b887a972a927a1d413aee14a4cd4a1d2b701a4b9a9dbcf4d4576

Aliases

arxiv: 1107.4669 · arxiv_version: 1107.4669v1 · doi: 10.48550/arxiv.1107.4669 · pith_short_12: 2QR4A3TBEC4I · pith_short_16: 2QR4A3TBEC4IPKLS · pith_short_8: 2QR4A3TB

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/2QR4A3TBEC4IPKLSVET2DVATV3 \
  | 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: d423c06e6120b887a972a927a1d413aee14a4cd4a1d2b701a4b9a9dbcf4d4576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0b35245a6e42f12ccd554d5b97061eee9a609f49cc11661eaa3b1c403a81630",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-23T09:06:47Z",
    "title_canon_sha256": "391b4379d7bd0691d6c62823f130257116c4a230db37fa376ad6550bac982a10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4669",
    "kind": "arxiv",
    "version": 1
  }
}