Pith Number

pith:KJ6F3JEY

pith:2000:KJ6F3JEYR2USXWHYRXUFXWX2AO

not attested not anchored not stored refs pending

Laser spectroscopy of simple atoms and precision tests of bound state QED

Garching), Max-Planck-Institut fuer Quantenoptik, Savely G. Karshenboim (.I. Mendeleev Institute for Metrology, St. Petersburg

arxiv:physics/0008215 v1 · 2000-08-23 · physics.atom-ph · 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{KJ6F3JEYR2USXWHYRXUFXWX2AO}

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	2026-07-04T14:43:20.585174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

527c5da4988ea92bd8f88de85bdafa03a79098009841805c4f78e0aff287a8dd

Aliases

arxiv: physics/0008215 · arxiv_version: physics/0008215v1 · doi: 10.48550/arxiv.physics/0008215 · pith_short_12: KJ6F3JEYR2US · pith_short_16: KJ6F3JEYR2USXWHY · pith_short_8: KJ6F3JEY

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/KJ6F3JEYR2USXWHYRXUFXWX2AO \
  | 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: 527c5da4988ea92bd8f88de85bdafa03a79098009841805c4f78e0aff287a8dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08423149ac286708bf6a4123bca4cdf8567b3a04e87b69b9bdaaa5c7889ca372",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2000-08-23T14:13:41Z",
    "title_canon_sha256": "b1336c8f60e358a88cb4909298c65ebf21c66d2828c8145151eebe22e112cb23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0008215",
    "kind": "arxiv",
    "version": 1
  }
}