Pith Number

pith:7ITOGSPA

pith:2026:7ITOGSPAUT2SXIO4RNW7ZVQVCT

not attested not anchored not stored refs pending

Real-Time Nonlinear MPC via Sequential Quadratic Programming with Structure-Exploiting ADMM and Interior-Point Methods for Underactuated Double-Pendulum Swing-Up

Konstantinos Chatzilygeroudis, Nick Karydakis

arxiv:2608.09272 v1 · 2026-08-10 · eess.SY · cs.RO · 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{7ITOGSPAUT2SXIO4RNW7ZVQVCT}

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	2026-08-11T02:22:13.389068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa26e349e0a4f52ba1dc8b6dfcd61514f6f5a65828c58bd8e40bcd102ef0ea1d

Aliases

arxiv: 2608.09272 · arxiv_version: 2608.09272v1 · doi: 10.48550/arxiv.2608.09272 · pith_short_12: 7ITOGSPAUT2S · pith_short_16: 7ITOGSPAUT2SXIO4 · pith_short_8: 7ITOGSPA

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/7ITOGSPAUT2SXIO4RNW7ZVQVCT \
  | 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: fa26e349e0a4f52ba1dc8b6dfcd61514f6f5a65828c58bd8e40bcd102ef0ea1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f9661f25804dca2647ee7418e12f4c8bd809ed4c63857994bb208c7334c977b",
    "cross_cats_sorted": [
      "cs.RO",
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2026-08-10T08:28:55Z",
    "title_canon_sha256": "ec47649107c65e829ee0f6590dece05ff665d41c26577df391e49bad7898c6b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.09272",
    "kind": "arxiv",
    "version": 1
  }
}