Pith Number

pith:WQIBAR7F

pith:2022:WQIBAR7F4ZRKVVEHILKO4VLVUW

not attested not anchored not stored refs pending

A General Model-Based Extended State Observer with Built-In Zero Dynamics

Jinfeng Chen, Sally Shao, Yu Hu, Zhiqiang Gao

arxiv:2208.12314 v2 · 2022-08-25 · 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{WQIBAR7F4ZRKVVEHILKO4VLVUW}

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.

Cited by

1 paper in Pith

Resilient Control Lyapunov Function-based Quadratic Program for Quadrotors Under Cyberattacks

Receipt and verification

First computed	2026-07-05T06:07:32.282216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4101047e5e662aad48742d4ee5575a58c0939d2365bd05171c30639192e3077

Aliases

arxiv: 2208.12314 · arxiv_version: 2208.12314v2 · doi: 10.48550/arxiv.2208.12314 · pith_short_12: WQIBAR7F4ZRK · pith_short_16: WQIBAR7F4ZRKVVEH · pith_short_8: WQIBAR7F

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/WQIBAR7F4ZRKVVEHILKO4VLVUW \
  | 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: b4101047e5e662aad48742d4ee5575a58c0939d2365bd05171c30639192e3077

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70cf14b9f5668550ddd4186bf8ac0103930ef1ff8a8135454b9ec4d21ab9ab42",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2022-08-25T19:21:07Z",
    "title_canon_sha256": "d2e77178cce99e4926f6d5037d9393a288ea36acdc1f25f71de17015780bce19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.12314",
    "kind": "arxiv",
    "version": 2
  }
}