Pith Number

pith:YXTH452I

pith:2013:YXTH452IZ2SMCF5QDASZ4ADBKV

not attested not anchored not stored refs pending

A Robust Continuous Time Fixed Lag Smoother for Nonlinear Uncertain Systems

Ian R. Petersen, Obaid Ur Rehman

arxiv:1309.2024 v1 · 2013-09-09 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YXTH452IZ2SMCF5QDASZ4ADBKV}

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.

Cited by

1 paper in Pith

Koopman-Based Nonlinear Identification and Adaptive Control of a Turbofan Engine

Receipt and verification

First computed	2026-05-18T03:13:47.437901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5e67e7748cea4c117b018259e0061554492cb32a50a27b63fe960f9ba9f9649

Aliases

arxiv: 1309.2024 · arxiv_version: 1309.2024v1 · doi: 10.48550/arxiv.1309.2024 · pith_short_12: YXTH452IZ2SM · pith_short_16: YXTH452IZ2SMCF5Q · pith_short_8: YXTH452I

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/YXTH452IZ2SMCF5QDASZ4ADBKV \
  | 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: c5e67e7748cea4c117b018259e0061554492cb32a50a27b63fe960f9ba9f9649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd2ecca9beb20ebdddff8decdaf760cf3a92c6ad011fb725952a9b5d848d35ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2013-09-09T01:11:10Z",
    "title_canon_sha256": "9b1fd8040a0e5a47fd92d5486fe56bbd3885bef6e5d70d70c2d67275affa9112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2024",
    "kind": "arxiv",
    "version": 1
  }
}