Pith Number

pith:7LJ5KFAI

pith:2009:7LJ5KFAIL6FNESLPJXRYGAOHQO

not attested not anchored not stored refs pending

Relativistic (Z alpha)^2-Corrections and Leading Quantum Electrodynamic Corrections to the Two-Photon Decay Rate of Ionic States

B. J. Wundt, U. D. Jentschura

arxiv:0909.4836 v1 · 2009-09-26 · 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{7LJ5KFAIL6FNESLPJXRYGAOHQO}

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	2026-07-04T15:51:59.387779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fad3d514085f8ad2496f4de38301c783bc57680e52c56c48430d9b084d8bd522

Aliases

arxiv: 0909.4836 · arxiv_version: 0909.4836v1 · doi: 10.48550/arxiv.0909.4836 · pith_short_12: 7LJ5KFAIL6FN · pith_short_16: 7LJ5KFAIL6FNESLP · pith_short_8: 7LJ5KFAI

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/7LJ5KFAIL6FNESLPJXRYGAOHQO \
  | 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: fad3d514085f8ad2496f4de38301c783bc57680e52c56c48430d9b084d8bd522

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a592a341f6c26ce0cd8701d324382f903c27388bec05fe1469cddfda198e621b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-09-26T04:56:13Z",
    "title_canon_sha256": "dcf4565eeaf430c4b903a8c5cf74763e4bdbdc3a1c5ebf5881e2a8af779ce62c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4836",
    "kind": "arxiv",
    "version": 1
  }
}