Pith Number

pith:RIRUHNUQ

pith:2005:RIRUHNUQSLQYOAU3RXNBXG34PA

not attested not anchored not stored refs pending

Laser cooling of trapped ytterbium ions with an ultraviolet diode laser

D. Kielpinski, F.X. Kaertner, J.A. Cox, M. Cetina

arxiv:physics/0511241 v1 · 2005-11-29 · 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{RIRUHNUQSLQYOAU3RXNBXG34PA}

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	2026-05-18T04:31:00.061842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a2343b69092e187029b8dda1b9b7c7824dbb92d9bb3963f6d1a983ed8e552ae

Aliases

arxiv: physics/0511241 · arxiv_version: physics/0511241v1 · doi: 10.48550/arxiv.physics/0511241 · pith_short_12: RIRUHNUQSLQY · pith_short_16: RIRUHNUQSLQYOAU3 · pith_short_8: RIRUHNUQ

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/RIRUHNUQSLQYOAU3RXNBXG34PA \
  | 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: 8a2343b69092e187029b8dda1b9b7c7824dbb92d9bb3963f6d1a983ed8e552ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91e60d78396700c1eec4fd141dd926e8f0a9d996df44e9d9c95c9d960f32bc9d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2005-11-29T05:43:37Z",
    "title_canon_sha256": "8ddfd1731cd273fdf09d1ed28b1b4345a99b0d96eadaa1889a01b4ed9576c9dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0511241",
    "kind": "arxiv",
    "version": 1
  }
}