Pith Number

pith:B22L6JJY

pith:2026:B22L6JJYZ7Q75JGBQYO6LC6NZX

not attested not anchored not stored refs pending

Long-lived metastable states in the 4f$^{13}$5d6s configuration of Yb$^+$

A. Cadarso Quevedo, Ilango Maran, J. C. Berengut, L. P. H. Gallagher, R. Gerritsma, R. J. C. Spreeuw, Z. E. D. Ackerman

arxiv:2603.04250 v2 · 2026-03-04 · 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{B22L6JJYZ7Q75JGBQYO6LC6NZX}

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

An Al$^+$ clock with $1.6\times10^{-18}$ systematic uncertainty and its frequency ratios

Receipt and verification

First computed	2026-06-23T01:12:02.731905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eb4bf2538cfe1fea4c1861de58bcdcded4fe1796c4cf8c971890c5f324016ac

Aliases

arxiv: 2603.04250 · arxiv_version: 2603.04250v2 · doi: 10.48550/arxiv.2603.04250 · pith_short_12: B22L6JJYZ7Q7 · pith_short_16: B22L6JJYZ7Q75JGB · pith_short_8: B22L6JJY

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/B22L6JJYZ7Q75JGBQYO6LC6NZX \
  | 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: 0eb4bf2538cfe1fea4c1861de58bcdcded4fe1796c4cf8c971890c5f324016ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49a4cf05625717dca26ef7663f9ca698a710862e0ce11ca52adb9124bee65580",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2026-03-04T16:38:17Z",
    "title_canon_sha256": "ed8da01f1656bea39eeccf42da552a8873facd62b2e118c04c679253faf170db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.04250",
    "kind": "arxiv",
    "version": 2
  }
}