Pith Number

pith:4EWLCWGE

pith:2018:4EWLCWGEYUYHBP3LYTRPAY5KTK

not attested not anchored not stored refs pending

Structure detection of Wiener-Hammerstein systems with process noise

Erliang Zhang, Johan Schoukens, Maarten Schoukens

arxiv:1804.10022 v1 · 2018-04-26 · 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{4EWLCWGEYUYHBP3LYTRPAY5KTK}

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	2026-05-18T00:17:25.355658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e12cb158c4c53070bf6bc4e2f063aa9ab75536114daaff05c585d9125db1bab0

Aliases

arxiv: 1804.10022 · arxiv_version: 1804.10022v1 · doi: 10.48550/arxiv.1804.10022 · pith_short_12: 4EWLCWGEYUYH · pith_short_16: 4EWLCWGEYUYHBP3L · pith_short_8: 4EWLCWGE

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/4EWLCWGEYUYHBP3LYTRPAY5KTK \
  | 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: e12cb158c4c53070bf6bc4e2f063aa9ab75536114daaff05c585d9125db1bab0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6be9694bd0a35ddddc49cf8601a4d5606ada36428ad29a891553d60781ec52fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-04-26T12:41:33Z",
    "title_canon_sha256": "91d3290b311e42ea41d3b7158927ad9ae4bfe094031cf3ec4b02b8ecce756888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10022",
    "kind": "arxiv",
    "version": 1
  }
}