Pith Number

pith:K3OJV52A

pith:2018:K3OJV52A6RFZABJY7JI6DAVPSK

not attested not anchored not stored refs pending

Non-Uniform Stability, Detectability, and, Sliding Mode Observer Design for Time Varying Systems with Unknown Inputs

Leonid Fridman, Markus Tranninger, Martin Horn, Martin Steinberger, Sergiy Zhuk

arxiv:1809.06460 v1 · 2018-09-17 · 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{K3OJV52A6RFZABJY7JI6DAVPSK}

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	2026-05-18T00:05:27.149674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56dc9af740f44b900538fa51e182af92ad0428b900f31f5940e93af5e808b192

Aliases

arxiv: 1809.06460 · arxiv_version: 1809.06460v1 · doi: 10.48550/arxiv.1809.06460 · pith_short_12: K3OJV52A6RFZ · pith_short_16: K3OJV52A6RFZABJY · pith_short_8: K3OJV52A

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/K3OJV52A6RFZABJY7JI6DAVPSK \
  | 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: 56dc9af740f44b900538fa51e182af92ad0428b900f31f5940e93af5e808b192

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4424f0d11ea50d7eb95ba22b8ab5feb5465b8762644c83f7df8523786633d5de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-17T22:09:48Z",
    "title_canon_sha256": "dbc5ffac02d1d1467b850d71523f381021da87a2e970f114309086885d6f11c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06460",
    "kind": "arxiv",
    "version": 1
  }
}