Pith Number

pith:7TY7FROV

pith:2016:7TY7FROVFBSORBI7J4LDZ6KILO

not attested not anchored not stored refs pending

Distributed Nonlinear Observer with Robust Performance - A Circle Criterion Approach

Frank Allg\"ower, Jingbo Wu

arxiv:1604.03014 v2 · 2016-04-11 · 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{7TY7FROVFBSORBI7J4LDZ6KILO}

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	2026-05-18T01:17:16.508421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcf1f2c5d52864e8851f4f163cf9485bac536fb3c5f73596daa54edcd2bd4f88

Aliases

arxiv: 1604.03014 · arxiv_version: 1604.03014v2 · doi: 10.48550/arxiv.1604.03014 · pith_short_12: 7TY7FROVFBSO · pith_short_16: 7TY7FROVFBSORBI7 · pith_short_8: 7TY7FROV

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/7TY7FROVFBSORBI7J4LDZ6KILO \
  | 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: fcf1f2c5d52864e8851f4f163cf9485bac536fb3c5f73596daa54edcd2bd4f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d0eecc022f4683b931cb7aac82563eb5d4fe7e4fb899ae04cfba0d729b1eab9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2016-04-11T16:05:19Z",
    "title_canon_sha256": "780790511abe767d1503846ca24a4cc40bda288f686174a9e87569f2dd70d31c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03014",
    "kind": "arxiv",
    "version": 2
  }
}