Pith Number

pith:GDQXGDMY

pith:1998:GDQXGDMYDUZ7CQLKHXF452ILIB

not attested not anchored not stored refs pending

The effective two-loop Euler-Heisenberg action for scalar and spinor QED in a general constant background field

Boris K\"ors, Michael G. Schmidt

arxiv:hep-th/9803144 v1 · 1998-03-18 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GDQXGDMYDUZ7CQLKHXF452ILIB}

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

Euler-Heisenberg actions in higher dimensions

Receipt and verification

First computed	2026-05-18T04:13:16.733420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30e1730d981d33f1416a3dcbcee90b406593ce30c6bb50a9186ff8e654b9670a

Aliases

arxiv: hep-th/9803144 · arxiv_version: hep-th/9803144v1 · doi: 10.48550/arxiv.hep-th/9803144 · pith_short_12: GDQXGDMYDUZ7 · pith_short_16: GDQXGDMYDUZ7CQLK · pith_short_8: GDQXGDMY

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/GDQXGDMYDUZ7CQLKHXF452ILIB \
  | 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: 30e1730d981d33f1416a3dcbcee90b406593ce30c6bb50a9186ff8e654b9670a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32276f574316fdaad55137622843de5ba065ef749dbd757b8a720ebde44d3788",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-03-18T11:22:49Z",
    "title_canon_sha256": "0101dc9b1da0908c1e375b64ef646721cf521f430e5eaeca48149e664528148f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9803144",
    "kind": "arxiv",
    "version": 1
  }
}