pith. sign in
Pith Number

pith:4WHHGKQC

pith:2008:4WHHGKQCWW2JNJFYRK4DPRPVBG
not attested not anchored not stored refs pending

A Novel Approach for Complete Identification of Dynamic Fractional Order Systems Using Stochastic Optimization Algorithms and Fractional Calculus

Amit Konar, Deepyaman Maiti, Mithun Chakraborty

arxiv:0811.0137 v1 · 2008-11-02 · cs.OH

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4WHHGKQCWW2JNJFYRK4DPRPVBG}

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 2026-05-18T00:59:11.579393Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e58e732a02b5b496a4b88ab837c5f5099134893797bf38f490e52ae09958542b

Aliases

arxiv: 0811.0137 · arxiv_version: 0811.0137v1 · doi: 10.48550/arxiv.0811.0137 · pith_short_12: 4WHHGKQCWW2J · pith_short_16: 4WHHGKQCWW2JNJFY · pith_short_8: 4WHHGKQC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4WHHGKQCWW2JNJFYRK4DPRPVBG \
  | 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: e58e732a02b5b496a4b88ab837c5f5099134893797bf38f490e52ae09958542b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "56333aa0ab0e32db57ad258dcf180ea897091045e2882748a93f3e4719630254",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2008-11-02T06:31:15Z",
    "title_canon_sha256": "7dd83f5b45df1872c9ddf2d5066654ffa0e746b051a672aa5cea12dbef9c533d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.0137",
    "kind": "arxiv",
    "version": 1
  }
}