Pith Number

pith:O2U7DDNF

pith:2019:O2U7DDNFHQPJUMW37FP6WPZ4EX

not attested not anchored not stored refs pending

A linear programming approach to approximating the infinite time reachable set of strictly stable linear control systems

Andreas Ernst, Janosch Rieger, Lars Gr\"une

arxiv:1902.05239 v3 · 2019-02-14 · 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{O2U7DDNFHQPJUMW37FP6WPZ4EX}

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	2026-05-17T23:49:39.074143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76a9f18da53c1e9a32dbf95feb3f3c25c7fe89931d3d27602950d6cc022e2500

Aliases

arxiv: 1902.05239 · arxiv_version: 1902.05239v3 · doi: 10.48550/arxiv.1902.05239 · pith_short_12: O2U7DDNFHQPJ · pith_short_16: O2U7DDNFHQPJUMW3 · pith_short_8: O2U7DDNF

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/O2U7DDNFHQPJUMW37FP6WPZ4EX \
  | 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: 76a9f18da53c1e9a32dbf95feb3f3c25c7fe89931d3d27602950d6cc022e2500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b68832107ef4d690d005a2829d4f5589828103ae37683a8e331532cdf9414770",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-02-14T06:44:19Z",
    "title_canon_sha256": "3a64b0121b7cada1543a6b0173ff5e55bb7d59ca15b61e22fc30dfe0f5bc5360"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05239",
    "kind": "arxiv",
    "version": 3
  }
}