Pith Number

pith:UNPXQF7F

pith:2017:UNPXQF7F3NDOTY5C3GPWQ52AWM

not attested not anchored not stored refs pending

Tadpole diagrams in constant electromagnetic fields

Felix Karbstein

arxiv:1709.03819 v3 · 2017-09-12 · hep-th · 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{UNPXQF7F3NDOTY5C3GPWQ52AWM}

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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

Coherent enhancement of QED cross-sections in electromagnetic backgrounds

Receipt and verification

First computed	2026-07-05T02:00:40.322745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a35f7817e5db46e9e3a2d99f687740b33d2745b10e0157de402f987c2f9a4494

Aliases

arxiv: 1709.03819 · arxiv_version: 1709.03819v3 · doi: 10.48550/arxiv.1709.03819 · pith_short_12: UNPXQF7F3NDO · pith_short_16: UNPXQF7F3NDOTY5C · pith_short_8: UNPXQF7F

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/UNPXQF7F3NDOTY5C3GPWQ52AWM \
  | 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: a35f7817e5db46e9e3a2d99f687740b33d2745b10e0157de402f987c2f9a4494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11b9c1b3a05a75c83371c217b3ba94e57ff8d4ca19e1c82ed6d3390285116cb3",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-09-12T13:09:21Z",
    "title_canon_sha256": "63eba31fd77e25b251b9bc21f8ef6c7d86676fc9ed4256d198fd9e7eaf33b1d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03819",
    "kind": "arxiv",
    "version": 3
  }
}