Pith Number

pith:X27NJH4K

pith:2012:X27NJH4KECLFMVT22YATMEE3YC

not attested not anchored not stored refs pending

A Novel Fractional Order Fuzzy PID Controller and Its Optimal Time Domain Tuning Based on Integral Performance Indices

Amitava Gupta, Indranil Pan, Saptarshi Das, Shantanu Das

arxiv:1202.5680 v1 · 2012-02-25 · 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{X27NJH4KECLFMVT22YATMEE3YC}

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	2026-05-18T04:01:25.081975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bebed49f8a209656567ad60136109bc097e21dc8865ea4b0812b3d2eb98e0750

Aliases

arxiv: 1202.5680 · arxiv_version: 1202.5680v1 · doi: 10.48550/arxiv.1202.5680 · pith_short_12: X27NJH4KECLF · pith_short_16: X27NJH4KECLFMVT2 · pith_short_8: X27NJH4K

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/X27NJH4KECLFMVT22YATMEE3YC \
  | 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: bebed49f8a209656567ad60136109bc097e21dc8865ea4b0812b3d2eb98e0750

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b05a82373b02bad6fbba43fe9c9d01a72a07ca7eab99a7cd3c281b3fb4aa690d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2012-02-25T18:25:57Z",
    "title_canon_sha256": "f9eac9807a7312e09dbd00f4aba9043297a145872b753fea37e4d8399975c37e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5680",
    "kind": "arxiv",
    "version": 1
  }
}