Pith Number

pith:B3UGGZAJ

pith:2001:B3UGGZAJKQEMO747MA2XK6LKFA

not attested not anchored not stored refs pending

QED Effective Action Revisited

Darrell R. Lamm, Ernst Joachim Weniger, Holger Gies, Sree Ram Valluri, Ulrich D. Jentschura

arxiv:hep-th/0107135 v2 · 2001-07-16 · 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{B3UGGZAJKQEMO747MA2XK6LKFA}

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

2 papers in Pith

Resurgence of the Effective Action in Inhomogeneous Fields

Heisenberg-Euler and the Quantum Dilogarithm

Receipt and verification

First computed	2026-07-04T16:27:57.396444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee86364095408c77f9f603575796a280711d23dfddb405babdaa9654b76dd87

Aliases

arxiv: hep-th/0107135 · arxiv_version: hep-th/0107135v2 · doi: 10.48550/arxiv.hep-th/0107135 · pith_short_12: B3UGGZAJKQEM · pith_short_16: B3UGGZAJKQEMO747 · pith_short_8: B3UGGZAJ

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/B3UGGZAJKQEMO747MA2XK6LKFA \
  | 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: 0ee86364095408c77f9f603575796a280711d23dfddb405babdaa9654b76dd87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da3d629acd33cd8c614215a923e6bb6eecb216a7d6630ecaabe040ab6b72ca2e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-07-16T14:26:12Z",
    "title_canon_sha256": "deb9bb3a5f1f6fc6cf18d056c0718595d7873b841776f23bb9f8647daadf642f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0107135",
    "kind": "arxiv",
    "version": 2
  }
}