Pith Number

pith:QWY4H3TF

pith:2023:QWY4H3TF3UVGG52ZIQCH5KU33J

not attested not anchored not stored refs pending

Sequential Hierarchical Least-Squares Programming for Prioritized Non-Linear Optimal Control

Abderrahmane Kheddar, Kai Pfeiffer

arxiv:2302.11891 v2 · 2023-02-23 · math.OC · cs.NA · cs.RO · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWY4H3TF3UVGG52ZIQCH5KU33J}

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	2026-07-05T07:54:48.116606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b1c3ee65dd2a63775944047eaa9bda4f3f7c02f162cfb1e03eead15d7e2af7

Aliases

arxiv: 2302.11891 · arxiv_version: 2302.11891v2 · doi: 10.48550/arxiv.2302.11891 · pith_short_12: QWY4H3TF3UVG · pith_short_16: QWY4H3TF3UVGG52Z · pith_short_8: QWY4H3TF

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/QWY4H3TF3UVGG52ZIQCH5KU33J \
  | 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: 85b1c3ee65dd2a63775944047eaa9bda4f3f7c02f162cfb1e03eead15d7e2af7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e9cfb83d1d49f4b83bf6280273eb35bdfef322152859f299921f127bff3cb1a",
    "cross_cats_sorted": [
      "cs.NA",
      "cs.RO",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-02-23T09:53:35Z",
    "title_canon_sha256": "7c6698f0510e6fba25746970e72b51cfc7e12e8916be1b584c8ed66446ae4161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.11891",
    "kind": "arxiv",
    "version": 2
  }
}