Pith Number

pith:WZF3OI6Y

pith:2022:WZF3OI6YVMWZWGOXILCSEXXV5J

not attested not anchored not stored refs pending

Minimal-order Appointed-time Unknown Input Observers: Design and Applications

Yuezu Lv, Zhisheng Duan, Zhongkui Li

arxiv:2210.02700 v1 · 2022-10-06 · 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{WZF3OI6YVMWZWGOXILCSEXXV5J}

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	2026-07-05T05:03:56.081239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b64bb723d8ab2d9b19d742c5225ef5ea5fd001ab67ec7142c3446fa35a021a5b

Aliases

arxiv: 2210.02700 · arxiv_version: 2210.02700v1 · doi: 10.48550/arxiv.2210.02700 · pith_short_12: WZF3OI6YVMWZ · pith_short_16: WZF3OI6YVMWZWGOX · pith_short_8: WZF3OI6Y

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/WZF3OI6YVMWZWGOXILCSEXXV5J \
  | 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: b64bb723d8ab2d9b19d742c5225ef5ea5fd001ab67ec7142c3446fa35a021a5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8758e5bcf29251c7154d2d32290851a1ced10c2b05cb04a1b840de42353c0076",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2022-10-06T06:26:47Z",
    "title_canon_sha256": "75b8f622894312f50c9312eb78503447c8da58a361dac7a9c8545de8d797e8d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.02700",
    "kind": "arxiv",
    "version": 1
  }
}