Pith Number

pith:MPK2OF4Z

pith:2018:MPK2OF4ZDEVHRAUCGQEKWPKQSD

not attested not anchored not stored refs pending

A modified Riccati approach to analytic interpolation with applications to system identification and robust control

Anders Lindquist, Yufang Cui

arxiv:1811.11348 v3 · 2018-11-28 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPK2OF4ZDEVHRAUCGQEKWPKQSD}

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	2026-05-17T23:49:33.121049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63d5a71799192a7882823408ab3d5090eee6f64de46dc8642ebe6d0f5b241b30

Aliases

arxiv: 1811.11348 · arxiv_version: 1811.11348v3 · doi: 10.48550/arxiv.1811.11348 · pith_short_12: MPK2OF4ZDEVH · pith_short_16: MPK2OF4ZDEVHRAUC · pith_short_8: MPK2OF4Z

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/MPK2OF4ZDEVHRAUCGQEKWPKQSD \
  | 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: 63d5a71799192a7882823408ab3d5090eee6f64de46dc8642ebe6d0f5b241b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30bd0b15c22509f6f902c84ae7ef991c379a3d9f3cbf7d4489e0ed7954baaf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-11-28T02:05:50Z",
    "title_canon_sha256": "5d79cd5bdd6a1aaab72c39ccf65e3be4bf1f5c0f0d7fb057b6cdefe6d4e67208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11348",
    "kind": "arxiv",
    "version": 3
  }
}