Pith Number

pith:U7A5A6LL

pith:2016:U7A5A6LLUD6XU6JVTZ55SYAB2F

not attested not anchored not stored refs pending

Flatness-based nonlinear control strategies for trajectory tracking of quadcopter systems

Ionela Prodan, Laurent Lef\`evre, Thinh Nguyen

arxiv:1609.08428 v1 · 2016-09-27 · 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{U7A5A6LLUD6XU6JVTZ55SYAB2F}

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	2026-05-18T01:03:45.901994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7c1d0796ba0fd7a79359e7bd96001d14ffe614c596d1672b9268cf06c0fc7bd

Aliases

arxiv: 1609.08428 · arxiv_version: 1609.08428v1 · doi: 10.48550/arxiv.1609.08428 · pith_short_12: U7A5A6LLUD6X · pith_short_16: U7A5A6LLUD6XU6JV · pith_short_8: U7A5A6LL

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/U7A5A6LLUD6XU6JVTZ55SYAB2F \
  | 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: a7c1d0796ba0fd7a79359e7bd96001d14ffe614c596d1672b9268cf06c0fc7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "039f4d67656aaaaa649194492a40d56b976bd7474442d45ab363604a994c586a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2016-09-27T13:33:08Z",
    "title_canon_sha256": "f4edc571b2e8b62bd7878e99eaf8c68f1145608a40ae8b299245c60bac2574f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08428",
    "kind": "arxiv",
    "version": 1
  }
}