Pith Number

pith:75EISPJO

pith:2011:75EISPJOBDL3I56FC2DT6B4MUY

not attested not anchored not stored refs pending

Nonlinear Robust Tracking Control of a Quadrotor UAV on SE(3)

Melvin Leok, N. Harris McClamroch, Taeyoung Lee

arxiv:1109.4457 v1 · 2011-09-21 · math.OC · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75EISPJOBDL3I56FC2DT6B4MUY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:12:34.720872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff48893d2e08d7b477c516873f078ca63f0506fce895061a4115bc3da1d4f79d

Aliases

arxiv: 1109.4457 · arxiv_version: 1109.4457v1 · doi: 10.48550/arxiv.1109.4457 · pith_short_12: 75EISPJOBDL3 · pith_short_16: 75EISPJOBDL3I56F · pith_short_8: 75EISPJO

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/75EISPJOBDL3I56FC2DT6B4MUY \
  | 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: ff48893d2e08d7b477c516873f078ca63f0506fce895061a4115bc3da1d4f79d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79ee80bca97f8e8ddaba4d1cf461cceb59dfe503c3a0620d5a9ac5f05eb1a6e9",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-09-21T01:58:53Z",
    "title_canon_sha256": "ab381af3a80a268089d46c7d603e0f9b050b02056935dd75df61ff92ecc10f8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4457",
    "kind": "arxiv",
    "version": 1
  }
}