Pith Number

pith:MJFUVOZ5

pith:2019:MJFUVOZ5DBMHL6EB267RLR6K4J

not attested not anchored not stored refs pending

Measurements of $^{27}$Al$^{+}$ and $^{25}$Mg$^{+}$ magnetic constants for improved ion clock accuracy

A. D. Ludlow, A. M. Hankin, C. W. Chou, D. B. Hume, D. J. Wineland, D. Nicolodi, D. R. Leibrandt, E. R. Clements, H. Leopardi, J.-S. Chen, K. Beloy, R. J. Fasano, S. A. Diddams, S. M. Brewer, T. M. Fortier, W. F. McGrew, X. Zhang

arxiv:1903.04661 v2 · 2019-03-11 · 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{MJFUVOZ5DBMHL6EB267RLR6K4J}

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	2026-05-17T23:39:44.853023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

624b4abb3d185875f881d7bf15c7cae2493e63db99d5156502e530bdb764abba

Aliases

arxiv: 1903.04661 · arxiv_version: 1903.04661v2 · doi: 10.48550/arxiv.1903.04661 · pith_short_12: MJFUVOZ5DBMH · pith_short_16: MJFUVOZ5DBMHL6EB · pith_short_8: MJFUVOZ5

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/MJFUVOZ5DBMHL6EB267RLR6K4J \
  | 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: 624b4abb3d185875f881d7bf15c7cae2493e63db99d5156502e530bdb764abba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02aa080d02f20170f62a182ddb2ed4021a04869be69bdfa66288f0916de49265",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-03-11T23:50:10Z",
    "title_canon_sha256": "30e1ec548ffcb79fa3d9abf1bfc15fdaa3b2148704643cd0140b810598e3c21c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04661",
    "kind": "arxiv",
    "version": 2
  }
}