Pith Number

pith:VDBPC5TE

pith:2018:VDBPC5TEWOHHOPWLZUEHZZHYOK

not attested not anchored not stored refs pending

Non-smooth optimization for robust control of infinite-dimensional systems

D. Noll, L. Ravanbod, P. Apkarian

arxiv:1804.11320 v1 · 2018-04-30 · 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{VDBPC5TEWOHHOPWLZUEHZZHYOK}

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	2026-05-18T00:17:13.994778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8c2f17664b38e773ecbcd087ce4f8728865cd6068059e1314079075a920701f

Aliases

arxiv: 1804.11320 · arxiv_version: 1804.11320v1 · doi: 10.48550/arxiv.1804.11320 · pith_short_12: VDBPC5TEWOHH · pith_short_16: VDBPC5TEWOHHOPWL · pith_short_8: VDBPC5TE

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/VDBPC5TEWOHHOPWLZUEHZZHYOK \
  | 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: a8c2f17664b38e773ecbcd087ce4f8728865cd6068059e1314079075a920701f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04c731a19c867319e6c8dbc6c166d43fba48a1236a37d23be1e8f57bc54f48ec",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-30T16:48:39Z",
    "title_canon_sha256": "d0073644913dc0039cb02a3bd6c0bbb3f6ed39f635155275181028c31a12d2cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11320",
    "kind": "arxiv",
    "version": 1
  }
}