Pith Number

pith:5K5QU5GV

pith:2020:5K5QU5GVCINJXMELGFUUNAEVAJ

not attested not anchored not stored refs pending

Computing H-infinity Norms of Time-Delay Systems

Suat Gumussoy, Wim Michiels

arxiv:2003.03248 v1 · 2020-03-06 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5K5QU5GVCINJXMELGFUUNAEVAJ}

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	2026-07-05T00:46:11.209287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eabb0a74d5121a9bb08b3169468095026080e0e7428d326c78aa7d12f0354a3a

Aliases

arxiv: 2003.03248 · arxiv_version: 2003.03248v1 · doi: 10.48550/arxiv.2003.03248 · pith_short_12: 5K5QU5GVCINJ · pith_short_16: 5K5QU5GVCINJXMEL · pith_short_8: 5K5QU5GV

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/5K5QU5GVCINJXMELGFUUNAEVAJ \
  | 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: eabb0a74d5121a9bb08b3169468095026080e0e7428d326c78aa7d12f0354a3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f73676f9043e1b0fe07fef4061ab159f5c9f807de2fc8c918df9621ae97037",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2020-03-06T14:49:54Z",
    "title_canon_sha256": "d8bad2bc658873ca2d4f887d589a500c46dfaaefa8c9c463ea3d24f638c77fbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.03248",
    "kind": "arxiv",
    "version": 1
  }
}