Pith Number

pith:FJK6N5GU

pith:2017:FJK6N5GUWG5UYB47BDEAPEPTVZ

not attested not anchored not stored refs pending

Variance-based Robust Optimization of a Permanent Magnet Synchronous Machine

E.Jan.W. ter Maten, Jan K. Sykulski, Michael G\"unther, Piotr A. Putek

arxiv:1709.02609 v1 · 2017-09-08 · physics.app-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{FJK6N5GUWG5UYB47BDEAPEPTVZ}

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	2026-05-18T00:11:42.932176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a55e6f4d4b1bb4c079f08c80791f3ae664728c62070be58b88d1228abbd66ea

Aliases

arxiv: 1709.02609 · arxiv_version: 1709.02609v1 · doi: 10.48550/arxiv.1709.02609 · pith_short_12: FJK6N5GUWG5U · pith_short_16: FJK6N5GUWG5UYB47 · pith_short_8: FJK6N5GU

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/FJK6N5GUWG5UYB47BDEAPEPTVZ \
  | 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: 2a55e6f4d4b1bb4c079f08c80791f3ae664728c62070be58b88d1228abbd66ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a6e585a581434e540da285051b93c8e33e506128ef340619b2f1748bf1c1efd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2017-09-08T09:34:44Z",
    "title_canon_sha256": "d47fd3167311fb7aa6423dff95f3a2fb45380f31b21a75c0c7aa1233f370ef64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02609",
    "kind": "arxiv",
    "version": 1
  }
}