Pith Number

pith:IR4T6MHD

pith:2012:IR4T6MHDT6GCFLGUIMQUVFUU6L

not attested not anchored not stored refs pending

Dark-state suppression and optimization of laser cooling and fluorescence in a trapped alkaline-earth-metal single ion

(2) Aalto University, (3) National Research Council of Canada), A. A. Madej (3) ((1) Centre for Metrology, Accreditation (MIKES), Finland, I. Tittonen (2), M. Merimaa (1), T. Lindvall (1)

arxiv:1212.4685 v1 · 2012-12-19 · 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{IR4T6MHDT6GCFLGUIMQUVFUU6L}

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	2026-05-18T03:38:11.753031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44793f30e39f8c22acd443214a9694f2c1a93c1418430d18d28ddc656ba30f0f

Aliases

arxiv: 1212.4685 · arxiv_version: 1212.4685v1 · doi: 10.48550/arxiv.1212.4685 · pith_short_12: IR4T6MHDT6GC · pith_short_16: IR4T6MHDT6GCFLGU · pith_short_8: IR4T6MHD

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/IR4T6MHDT6GCFLGUIMQUVFUU6L \
  | 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: 44793f30e39f8c22acd443214a9694f2c1a93c1418430d18d28ddc656ba30f0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14d163b2cd0b05dbad92506caa14616a776149f1988f3e40b89d2d36f298f160",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-12-19T14:53:51Z",
    "title_canon_sha256": "284ef82eb39034544970868fb25cdbe35a837eda5a934f3e94e572f2d793f087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4685",
    "kind": "arxiv",
    "version": 1
  }
}