Pith Number

pith:7LIM54N2

pith:2025:7LIM54N2NNEG7EJIRKU7FA342W

not attested not anchored not stored refs pending

Geometric Reachability for Attitude Control Systems via Contraction Theory

Chencheng Xu, Chengcheng Zhao, Jiming Chen, Saber Jafarpour, Zhiguo Shi

arxiv:2502.20878 v1 · 2025-02-28 · eess.SY · 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{7LIM54N2NNEG7EJIRKU7FA342W}

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	2026-07-05T10:21:41.556196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fad0cef1ba6b486f91288aa9f2837cd59a12e5038f71d725806e62af7b0134a0

Aliases

arxiv: 2502.20878 · arxiv_version: 2502.20878v1 · doi: 10.48550/arxiv.2502.20878 · pith_short_12: 7LIM54N2NNEG · pith_short_16: 7LIM54N2NNEG7EJI · pith_short_8: 7LIM54N2

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/7LIM54N2NNEG7EJIRKU7FA342W \
  | 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: fad0cef1ba6b486f91288aa9f2837cd59a12e5038f71d725806e62af7b0134a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c04e6e9fc422d24e40656a4370ed6b506c4cd0e2713c6c218762ba4a91289fc4",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2025-02-28T09:21:06Z",
    "title_canon_sha256": "8bbef97746c6e2af37ab6a9b5037dc611c67cf07816ed8c940fb6cbd7ed4c083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.20878",
    "kind": "arxiv",
    "version": 1
  }
}