Pith Number

pith:Z4YMWGTO

pith:2017:Z4YMWGTOOYYV4M6AXBX4CPUEUF

not attested not anchored not stored refs pending

State Observers for Sensorless Control of Magnetic Levitation Systems

Alexey Bobtsov, Alexey Vedyakov, Anton Pyrkin, Romeo Ortega

arxiv:1711.02733 v1 · 2017-11-07 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4YMWGTOOYYV4M6AXBX4CPUEUF}

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	2026-05-18T00:31:01.941641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf30cb1a6e76315e33c0b86fc13e84a16a052eb7e806efe70e9556cbc253d33f

Aliases

arxiv: 1711.02733 · arxiv_version: 1711.02733v1 · doi: 10.48550/arxiv.1711.02733 · pith_short_12: Z4YMWGTOOYYV · pith_short_16: Z4YMWGTOOYYV4M6A · pith_short_8: Z4YMWGTO

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/Z4YMWGTOOYYV4M6AXBX4CPUEUF \
  | 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: cf30cb1a6e76315e33c0b86fc13e84a16a052eb7e806efe70e9556cbc253d33f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da62c8b628c4d0c7855600a5e54f70071f2d939a73d157910a6a36c37b6819c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-11-07T21:32:58Z",
    "title_canon_sha256": "f9b36999a203ac23c83cf9de582ab1b6d8611f498c4e211e34266be2bbe822f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02733",
    "kind": "arxiv",
    "version": 1
  }
}