Pith Number

pith:JLZPXUFE

pith:2020:JLZPXUFEDBYULP3YVYKMI52KGU

not attested not anchored not stored refs pending

A Review of Contemporary Atomic Frequency Standards

Bonnie L. Schmittberger, David R. Scherer

arxiv:2004.09987 v1 · 2020-04-21 · 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{JLZPXUFEDBYULP3YVYKMI52KGU}

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

Determination of Land\'{e} $g_J$ factor and Zeeman coefficients in ground-state $^{171}$Yb$^+$ and their applications to quantum frequency standards

Receipt and verification

First computed	2026-07-05T00:56:56.381919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4af2fbd0a4187145bf78ae14c4774a352d21fff957a3979417d480f8e31ceac4

Aliases

arxiv: 2004.09987 · arxiv_version: 2004.09987v1 · doi: 10.48550/arxiv.2004.09987 · pith_short_12: JLZPXUFEDBYU · pith_short_16: JLZPXUFEDBYULP3Y · pith_short_8: JLZPXUFE

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/JLZPXUFEDBYULP3YVYKMI52KGU \
  | 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: 4af2fbd0a4187145bf78ae14c4774a352d21fff957a3979417d480f8e31ceac4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ea4f9d0da8cb3133fbd25e03c3b4b6ea9f411da18f59b24a80c2e3eef1ce82f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2020-04-21T13:30:33Z",
    "title_canon_sha256": "a7696ceb085716c20924234613ea6cbab3a82f030c822cb9777bab88bd902faf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09987",
    "kind": "arxiv",
    "version": 1
  }
}