Pith Number

pith:SUHCAWJZ

pith:2018:SUHCAWJZLIRFW6Q3L5SVVGKEUO

not attested not anchored not stored refs pending

Standard versus Strict Bounded Real Lemma with infinite-dimensional state space I: The State-Space-Similarity Approach

G.J. Groenewald, J.A. Ball, S. ter Horst

arxiv:1804.08507 v1 · 2018-04-23 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SUHCAWJZLIRFW6Q3L5SVVGKEUO}

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	2026-05-18T00:17:48.101130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

950e2059395a225b7a1b5f655a9944a3a376c669d1ebbe8b16dbb0e975dab942

Aliases

arxiv: 1804.08507 · arxiv_version: 1804.08507v1 · doi: 10.48550/arxiv.1804.08507 · pith_short_12: SUHCAWJZLIRF · pith_short_16: SUHCAWJZLIRFW6Q3 · pith_short_8: SUHCAWJZ

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/SUHCAWJZLIRFW6Q3L5SVVGKEUO \
  | 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: 950e2059395a225b7a1b5f655a9944a3a376c669d1ebbe8b16dbb0e975dab942

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5bbc29ceb91901c8dcfd6f1987c929bdf129237f268273e4ed0e47fb89b69aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-04-23T15:28:08Z",
    "title_canon_sha256": "bc4de947a4b0a664f94b4493231bd3a59f9a076e6219cbf5a1f9140542f0622b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08507",
    "kind": "arxiv",
    "version": 1
  }
}