Pith Number

pith:QYF5PCMD

pith:2013:QYF5PCMD4N6VAPOM2TN5QTRPGI

not attested not anchored not stored refs pending

Design of Nonlinear State Observers for One-Sided Lipschitz Systems

Horacio J. Marquez, Masoud Abbaszadeh

arxiv:1302.5867 v1 · 2013-02-24 · cs.SY · math.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QYF5PCMD4N6VAPOM2TN5QTRPGI}

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	2026-05-18T03:32:43.381621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

860bd78983e37d503dccd4dbd84e2f320a6b88b85e4722cddaea095988141202

Aliases

arxiv: 1302.5867 · arxiv_version: 1302.5867v1 · doi: 10.48550/arxiv.1302.5867 · pith_short_12: QYF5PCMD4N6V · pith_short_16: QYF5PCMD4N6VAPOM · pith_short_8: QYF5PCMD

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/QYF5PCMD4N6VAPOM2TN5QTRPGI \
  | 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: 860bd78983e37d503dccd4dbd84e2f320a6b88b85e4722cddaea095988141202

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c7698ee0245cf84a015c6c46cedfbeef82ca2b2954e5c22cb83f857869e7735",
    "cross_cats_sorted": [
      "math.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2013-02-24T03:52:07Z",
    "title_canon_sha256": "e90feb76b9c7c6d66c5c17b97611a1af6f2a70820ce2c95b7a7f87757aa0311d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5867",
    "kind": "arxiv",
    "version": 1
  }
}