Pith Number

pith:5QA23DRD

pith:2019:5QA23DRD7DJR43T4QVW6WXU22G

not attested not anchored not stored refs pending

A Machine Learning Approach for Automated Fine-Tuning of Semiconductor Spin Qubits

Andreas D. Wieck, Arne Ludwig, Hendrik Bluhm, Jonas Dedden, Julian D. Teske, Pascal Cerfontaine, Patrick Bethke, Ren\'e Otten, Simon Humpohl

arxiv:1901.01972 v2 · 2019-01-07 · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5QA23DRD7DJR43T4QVW6WXU22G}

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	2026-05-17T23:48:50.283551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec01ad8e23f8d31e6e7c856deb5e9ad1a67e593146ddf1387bbe5aa8841e714a

Aliases

arxiv: 1901.01972 · arxiv_version: 1901.01972v2 · doi: 10.48550/arxiv.1901.01972 · pith_short_12: 5QA23DRD7DJR · pith_short_16: 5QA23DRD7DJR43T4 · pith_short_8: 5QA23DRD

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/5QA23DRD7DJR43T4QVW6WXU22G \
  | 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: ec01ad8e23f8d31e6e7c856deb5e9ad1a67e593146ddf1387bbe5aa8841e714a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7c9d2054f110cd66cb2f67d53b476d4aee4dce1b99e50af365525595e771821",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-01-07T18:59:31Z",
    "title_canon_sha256": "8ee7c3132f08d855dac68b27fd823cfb1879196375f0f98d5b418c1f83da8994"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01972",
    "kind": "arxiv",
    "version": 2
  }
}