Pith Number

pith:EGKNQNU3

pith:2018:EGKNQNU3WYBKTTPH2HAXRVVKCE

not attested not anchored not stored refs pending

Controlling systematic frequency uncertainties at the $10^{-19}$ level in linear Coulomb crystals

A. Didier, A. P. Kulosa, D. Kalincev, J. Keller, J. Kiethe, T. Burgermeister, T. E. Mehlst\"aubler, T. Nordmann

arxiv:1803.08248 v2 · 2018-03-22 · physics.atom-ph · quant-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{EGKNQNU3WYBKTTPH2HAXRVVKCE}

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	2026-05-17T23:56:53.543793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2194d8369bb602a9cde7d1c178d6aa113d8d7ac85deb05f1276316ed672eb28c

Aliases

arxiv: 1803.08248 · arxiv_version: 1803.08248v2 · doi: 10.48550/arxiv.1803.08248 · pith_short_12: EGKNQNU3WYBK · pith_short_16: EGKNQNU3WYBKTTPH · pith_short_8: EGKNQNU3

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/EGKNQNU3WYBKTTPH2HAXRVVKCE \
  | 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: 2194d8369bb602a9cde7d1c178d6aa113d8d7ac85deb05f1276316ed672eb28c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "612d35a5d224be240401539fdd498e6eda7f4f960ae697d26638dbe980f89efc",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-03-22T07:16:22Z",
    "title_canon_sha256": "37510422f426cc6e3e264f0ea57f878049d9f5b9843f4f8d2f995cd339df1210"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08248",
    "kind": "arxiv",
    "version": 2
  }
}