Pith Number

pith:PVOQTW72

pith:2025:PVOQTW725PEZ7UYGRZ73CUUYUN

not attested not anchored not stored refs pending

High-Stability Single-Ion Clock with $5.5\times10^{-19}$ Systematic Uncertainty

Alexander Aeppli, Dahyeon Lee, Daniel A. Rodriguez Castillo, David B. Hume, David R. Leibrandt, Joost Hinrichs, Jun Ye, Kyungtae Kim, Mason C. Marshall, Nicholas V. Nardelli, Tara M. Fortier, Willa J. Arthur-Dworschack, William Warfield

arxiv:2504.13071 v2 · 2025-04-17 · 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{PVOQTW725PEZ7UYGRZ73CUUYUN}

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.

Cited by

1 paper in Pith

Frequency reproducibility of solid-state Th-229 nuclear clocks

Receipt and verification

First computed	2026-07-05T11:36:55.724774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d5d09dbfaebc99fd3068e7fb15298a3780ee3199f5f9bd70d3fb8910aa4c6f6

Aliases

arxiv: 2504.13071 · arxiv_version: 2504.13071v2 · doi: 10.48550/arxiv.2504.13071 · pith_short_12: PVOQTW725PEZ · pith_short_16: PVOQTW725PEZ7UYG · pith_short_8: PVOQTW72

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/PVOQTW725PEZ7UYGRZ73CUUYUN \
  | 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: 7d5d09dbfaebc99fd3068e7fb15298a3780ee3199f5f9bd70d3fb8910aa4c6f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe89c96c66efaeb61e77971b85f2b3901b0f8a02c1b8b6eab1355c77179d7606",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-04-17T16:32:15Z",
    "title_canon_sha256": "0167643591c25edc878f9794b627226716ae26f2dc5afe77e568479c83241587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.13071",
    "kind": "arxiv",
    "version": 2
  }
}