Pith Number

pith:MGTF7QXY

pith:2009:MGTF7QXYE3Z27EXQ4AZPWA4VG3

not attested not anchored not stored refs pending

A diode laser stabilization scheme for 40Ca+ single ion spectroscopy

C. Schuck, F. Rohde, J. Eschner, J. Huwer, M. Almendros, M. Hennrich

arxiv:0910.1052 v1 · 2009-10-06 · quant-ph · 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{MGTF7QXYE3Z27EXQ4AZPWA4VG3}

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	2026-05-18T02:11:26.151569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61a65fc2f826f3af92f0e032fb039536e1d64c5a30bca3b6cd935c4f769837a5

Aliases

arxiv: 0910.1052 · arxiv_version: 0910.1052v1 · doi: 10.48550/arxiv.0910.1052 · pith_short_12: MGTF7QXYE3Z2 · pith_short_16: MGTF7QXYE3Z27EXQ · pith_short_8: MGTF7QXY

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/MGTF7QXYE3Z27EXQ4AZPWA4VG3 \
  | 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: 61a65fc2f826f3af92f0e032fb039536e1d64c5a30bca3b6cd935c4f769837a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1ec2ed2b953f92ed8fab407ad6dea4e85417a22442f793dcc2666c0ce14fe9b",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-10-06T16:34:05Z",
    "title_canon_sha256": "f242ae4b9e8279e1cbec371d6dd219e6e630b9f9ab041d614bda3b5ac1500dac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1052",
    "kind": "arxiv",
    "version": 1
  }
}