Pith Number

pith:4VMVMJJ3

pith:2020:4VMVMJJ33TA5XYWJGF3GCM72AP

not attested not anchored not stored refs pending

Computation of Extremum Singular Values and the Strong H-infinity Norm of SISO Time-Delay Systems

Suat Gumussoy, Wim Michiels

arxiv:2003.10048 v1 · 2020-03-23 · 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{4VMVMJJ33TA5XYWJGF3GCM72AP}

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	2026-07-05T00:49:49.222072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e55956253bdcc1dbe2c931766133fa03fdec59f827761d0f817fe67ffeb8a866

Aliases

arxiv: 2003.10048 · arxiv_version: 2003.10048v1 · doi: 10.48550/arxiv.2003.10048 · pith_short_12: 4VMVMJJ33TA5 · pith_short_16: 4VMVMJJ33TA5XYWJ · pith_short_8: 4VMVMJJ3

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/4VMVMJJ33TA5XYWJGF3GCM72AP \
  | 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: e55956253bdcc1dbe2c931766133fa03fdec59f827761d0f817fe67ffeb8a866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e12e6ea73bf0b2777a0b14d558cc5b7c7e43365e52e9aa60c9fdbd58d6e43875",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2020-03-23T01:58:45Z",
    "title_canon_sha256": "d9f87377a64f5d0e93ea1a59efea9d3672e9aafbb59d708f941ad7a0f783c418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10048",
    "kind": "arxiv",
    "version": 1
  }
}