Pith Number

pith:4UT4ZFVZ

pith:2015:4UT4ZFVZYFRTGKBHACSKX6A3TR

not attested not anchored not stored refs pending

Controller Design for Robust Output Regulation of Regular Linear Systems

Lassi Paunonen

arxiv:1506.06606 v3 · 2015-06-22 · 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{4UT4ZFVZYFRTGKBHACSKX6A3TR}

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	2026-05-18T00:52:55.623071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e527cc96b9c16333282700a4abf81b9c61d08dc65c117aa6a52821813f9ae7f9

Aliases

arxiv: 1506.06606 · arxiv_version: 1506.06606v3 · doi: 10.48550/arxiv.1506.06606 · pith_short_12: 4UT4ZFVZYFRT · pith_short_16: 4UT4ZFVZYFRTGKBH · pith_short_8: 4UT4ZFVZ

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/4UT4ZFVZYFRTGKBHACSKX6A3TR \
  | 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: e527cc96b9c16333282700a4abf81b9c61d08dc65c117aa6a52821813f9ae7f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c859f747ed0fdefcdef848520aba49646a740c16e3f97f7e9ad50982b3557c1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-06-22T13:55:57Z",
    "title_canon_sha256": "ec31d7a8d34224eb429b3a1dd25c212819401cd9411a826e022ff911065cf093"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06606",
    "kind": "arxiv",
    "version": 3
  }
}