Pith Number

pith:V5352ECH

pith:2012:V5352ECHZL2FY2WAXVZZMBBXVB

not attested not anchored not stored refs pending

A Conformal Mapping Based Fractional Order Approach for Sub-optimal Tuning of PID Controllers with Guaranteed Dominant Pole Placement

Amitava Gupta, Saptarshi Das, Shantanu Das, Suman Saha

arxiv:1202.5662 v1 · 2012-02-25 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V5352ECHZL2FY2WAXVZZMBBXVB}

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.

Receipt and verification

First computed	2026-05-18T04:01:25.124521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af77dd1047caf45c6ac0bd73960437a87c2308122ae73f651c748915ea86bda5

Aliases

arxiv: 1202.5662 · arxiv_version: 1202.5662v1 · doi: 10.48550/arxiv.1202.5662 · pith_short_12: V5352ECHZL2F · pith_short_16: V5352ECHZL2FY2WA · pith_short_8: V5352ECH

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/V5352ECHZL2FY2WAXVZZMBBXVB \
  | 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: af77dd1047caf45c6ac0bd73960437a87c2308122ae73f651c748915ea86bda5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2ff6ba70774598af25761674b5261eca3dcbd4e1ed410245f7b3e2bfe735b53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-02-25T16:38:22Z",
    "title_canon_sha256": "9be92b5c23d114e99a013cdc133bf5828263037e7527a9ab66f12dc9b2098300"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5662",
    "kind": "arxiv",
    "version": 1
  }
}