Pith Number

pith:V5OWXRK2

pith:2017:V5OWXRK2W3P756FHUXSDZXIEIH

not attested not anchored not stored refs pending

Structured H-infinity control of infinite dimensional systems

D. Noll, P. Apkarian

arxiv:1707.02052 v3 · 2017-07-07 · 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{V5OWXRK2W3P756FHUXSDZXIEIH}

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	2026-05-18T00:27:57.231720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af5d6bc55ab6dffef8a7a5e43cdd0441ff8ad1cc675fe90c50be74100fe9d5ad

Aliases

arxiv: 1707.02052 · arxiv_version: 1707.02052v3 · doi: 10.48550/arxiv.1707.02052 · pith_short_12: V5OWXRK2W3P7 · pith_short_16: V5OWXRK2W3P756FH · pith_short_8: V5OWXRK2

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/V5OWXRK2W3P756FHUXSDZXIEIH \
  | 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: af5d6bc55ab6dffef8a7a5e43cdd0441ff8ad1cc675fe90c50be74100fe9d5ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "193cad31b2e5b5a9bd28dcd341ba43f9f6cc724e828b672dcac21bbbb8dde5f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-07-07T06:29:30Z",
    "title_canon_sha256": "798fa0ab41955baad8530e0316f5656c542cc8d67d0d6b8e4104c972fc52224a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02052",
    "kind": "arxiv",
    "version": 3
  }
}