Pith Number

pith:OWSOMSQB

pith:2018:OWSOMSQB5IWD56HLIYGI62UMK5

not attested not anchored not stored refs pending

Comments on: "Lyapunov matrices for a class of time delay systems" by V. L. Kharitonov

Murad Abu-Khalaf, Suat Gumussoy

arxiv:1802.06831 v1 · 2018-02-19 · cs.SY · 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{OWSOMSQB5IWD56HLIYGI62UMK5}

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	2026-05-18T00:22:54.253398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75a4e64a01ea2c3ef8eb460c8f6a8c5759872f05eb3a6e90f0b61bd58b3f1788

Aliases

arxiv: 1802.06831 · arxiv_version: 1802.06831v1 · doi: 10.48550/arxiv.1802.06831 · pith_short_12: OWSOMSQB5IWD · pith_short_16: OWSOMSQB5IWD56HL · pith_short_8: OWSOMSQB

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/OWSOMSQB5IWD56HLIYGI62UMK5 \
  | 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: 75a4e64a01ea2c3ef8eb460c8f6a8c5759872f05eb3a6e90f0b61bd58b3f1788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c63429d764c4ded029f86bf674f079eab7389abc5d9daec141819afe0b39e5c4",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-02-19T20:07:20Z",
    "title_canon_sha256": "57d4ea72f1c20beb0b39ac6f562f8cbb8b77e37c5c9e5dbac9d5ff3e749c3e1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06831",
    "kind": "arxiv",
    "version": 1
  }
}