Pith Number

pith:FR2XKXXK

pith:2023:FR2XKXXKDBGMCBAHQRUAWMLQSV

not attested not anchored not stored refs pending

Resolved-sideband cooling of a single $^9$Be$^+$ ion in a Penning trap

Christian Ospelkaus, Johannes Brombacher, Juan M. Cornejo, Julia A. Coenders, Malte Niemann, Moritz von Boehn, Stefan Ulmer, Teresa Meiners

arxiv:2310.18262 v2 · 2023-10-27 · 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{FR2XKXXKDBGMCBAHQRUAWMLQSV}

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	2026-07-05T07:12:00.810374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c75755eea184cc1040784680b31709555531b3fa956f367a131dbc22d548bc8

Aliases

arxiv: 2310.18262 · arxiv_version: 2310.18262v2 · doi: 10.48550/arxiv.2310.18262 · pith_short_12: FR2XKXXKDBGM · pith_short_16: FR2XKXXKDBGMCBAH · pith_short_8: FR2XKXXK

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/FR2XKXXKDBGMCBAHQRUAWMLQSV \
  | 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: 2c75755eea184cc1040784680b31709555531b3fa956f367a131dbc22d548bc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "608ea40755aab6368de064a84c6caa02e6bb605a9675eea142413e40edfb7351",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2023-10-27T16:50:14Z",
    "title_canon_sha256": "8e05bda29876c8b69154146bfefcb9f9d218b5759ba18c683aab3eb75c4a5415"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.18262",
    "kind": "arxiv",
    "version": 2
  }
}