pith. sign in
Pith Number

pith:2LXZARPX

pith:2013:2LXZARPXPAOIW72KCJIS44QYRU
not attested not anchored not stored refs pending

Observer-less Output Feedback Global Tracking Control of Lossless Lagrangian Systems

Antonio Loria

arxiv:1307.4659 v1 · 2013-07-17 · math.OC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2LXZARPXPAOIW72KCJIS44QYRU}

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 2026-05-18T03:18:17.395402Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d2ef9045f7781c8b7f4a12512e72188d3de4d29878e0c8c0b27dbf8ef8e86dc7

Aliases

arxiv: 1307.4659 · arxiv_version: 1307.4659v1 · doi: 10.48550/arxiv.1307.4659 · pith_short_12: 2LXZARPXPAOI · pith_short_16: 2LXZARPXPAOIW72K · pith_short_8: 2LXZARPX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2LXZARPXPAOIW72KCJIS44QYRU \
  | 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: d2ef9045f7781c8b7f4a12512e72188d3de4d29878e0c8c0b27dbf8ef8e86dc7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "75ee73983801a26b3952e32d95ebdd4f1937c632c8b0fe87fa998ca3cd599e90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-07-17T14:48:35Z",
    "title_canon_sha256": "b385e31997584190107f67c2d4d1bdb72a590d950d853d30f487fbd912897b64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4659",
    "kind": "arxiv",
    "version": 1
  }
}