Pith Number

pith:CGNQZJN5

pith:2025:CGNQZJN5HIXPDEHFHQ3AJQ5X5J

not attested not anchored not stored refs pending

Sliding Mode Control for Uncertain Systems with Time-Varying Delays via Predictor Feedback and Super-Twisting Observer

Hardy Pinto, Liu Hsu, Tiago Roux Oliveira

arxiv:2507.21281 v1 · 2025-07-28 · math.OC · cs.SY · eess.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{CGNQZJN5HIXPDEHFHQ3AJQ5X5J}

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	2026-07-05T11:44:56.277335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

119b0ca5bd3a2ef190e53c3604c3b7ea741f4b7c36ffdf3d772065a27354241d

Aliases

arxiv: 2507.21281 · arxiv_version: 2507.21281v1 · doi: 10.48550/arxiv.2507.21281 · pith_short_12: CGNQZJN5HIXP · pith_short_16: CGNQZJN5HIXPDEHF · pith_short_8: CGNQZJN5

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/CGNQZJN5HIXPDEHFHQ3AJQ5X5J \
  | 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: 119b0ca5bd3a2ef190e53c3604c3b7ea741f4b7c36ffdf3d772065a27354241d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a78a9d082b5110b41dc11afd81cac7a5aec3e65d0aa9c9c705161330a501dcbb",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-07-28T19:05:59Z",
    "title_canon_sha256": "6e5529bead9a1b8cc81a2e135216fdd623b174c13b394339c27b706698c75e05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21281",
    "kind": "arxiv",
    "version": 1
  }
}