Pith Number

pith:5KZVNVJ2

pith:2026:5KZVNVJ2LZVZLR5BC4P7VNJSI7

not attested not anchored not stored refs pending

Wichmann-Kroll Correction to the Interelectronic Interaction in He- and Li-Like Ions

C. H. Keitel, J. Sommerfeldt, V. A. Yerokhin, Z. Harman

arxiv:2607.12168 v1 · 2026-07-13 · physics.atom-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{5KZVNVJ2LZVZLR5BC4P7VNJSI7}

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	2026-07-15T00:21:36.619777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eab356d53a5e6b95c7a1171ffab53247c18eb3e5382609cd8c35d2a398f7aff6

Aliases

arxiv: 2607.12168 · arxiv_version: 2607.12168v1 · doi: 10.48550/arxiv.2607.12168 · pith_short_12: 5KZVNVJ2LZVZ · pith_short_16: 5KZVNVJ2LZVZLR5B · pith_short_8: 5KZVNVJ2

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/5KZVNVJ2LZVZLR5BC4P7VNJSI7 \
  | 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: eab356d53a5e6b95c7a1171ffab53247c18eb3e5382609cd8c35d2a398f7aff6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e581e13764e6d90b0088add94ea3ef022521c3046b6d6adb4242474c7bf16837",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2026-07-13T21:25:49Z",
    "title_canon_sha256": "0604ef588978358686626b801809d01eba8b1564a093683a2e6a1db8304613c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12168",
    "kind": "arxiv",
    "version": 1
  }
}