Pith Number

pith:3CVZCYV5

pith:2011:3CVZCYV5CKBHIJNPT45VFODAUD

not attested not anchored not stored refs pending

A Short Note for the Robustness Properties of Hybrid Dead-Beat Observers

Iasson Karafyllis, Zhong-Ping Jiang

arxiv:1102.3776 v1 · 2011-02-18 · math.OC · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CVZCYV5CKBHIJNPT45VFODAUD}

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	2026-05-18T04:28:20.974600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8ab9162bd12827425af9f3b52b860a0fb259ce55129d72181fd47f5675111be

Aliases

arxiv: 1102.3776 · arxiv_version: 1102.3776v1 · doi: 10.48550/arxiv.1102.3776 · pith_short_12: 3CVZCYV5CKBH · pith_short_16: 3CVZCYV5CKBHIJNP · pith_short_8: 3CVZCYV5

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/3CVZCYV5CKBHIJNPT45VFODAUD \
  | 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: d8ab9162bd12827425af9f3b52b860a0fb259ce55129d72181fd47f5675111be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f562b3deca237cee153e413c571c15b439fc0cdbc2020c602b40becc5a4bf561",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-02-18T08:07:21Z",
    "title_canon_sha256": "cd0924a6a7996fbd71a50863e93e00e95258fa92d91023294bfb5d35607dea87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3776",
    "kind": "arxiv",
    "version": 1
  }
}