Pith Number

pith:2PVOAPU7

pith:2018:2PVOAPU76YRDEUBLKP253C2OZP

not attested not anchored not stored refs pending

Standard versus Bounded Real Lemma with infinite-dimensional state space II: The storage function approach

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

arxiv:1804.08505 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{2PVOAPU76YRDEUBLKP253C2OZP}

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	2026-05-18T00:17:48.118833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3eae03e9ff62232502b53f5dd8b4ecbeba93ceb0956cdbbd3f458aaf9ef9821

Aliases

arxiv: 1804.08505 · arxiv_version: 1804.08505v1 · doi: 10.48550/arxiv.1804.08505 · pith_short_12: 2PVOAPU76YRD · pith_short_16: 2PVOAPU76YRDEUBL · pith_short_8: 2PVOAPU7

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/2PVOAPU76YRDEUBLKP253C2OZP \
  | 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: d3eae03e9ff62232502b53f5dd8b4ecbeba93ceb0956cdbbd3f458aaf9ef9821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8517f359300fe519c4c45408b99b7c495bc35e13b8465284a3c47b1cd4a41806",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-04-23T15:27:19Z",
    "title_canon_sha256": "8361da0a16030530095f9ab219fc31f0c322ea13cb927be1831fe82c92eb4b6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08505",
    "kind": "arxiv",
    "version": 1
  }
}