Pith Number

pith:U2AQBZY3

pith:2018:U2AQBZY3LDLJQ4J7KQGWYWYBDB

not attested not anchored not stored refs pending

Online Fault Identification of Digital Hydraulic Valves Using a Combined Model-Based and Data-Driven Approach

Jan Westerholm, Johan Ersfolk, Jonatan Wiik, Marina Wald\'en, Matti Linjama, Miika Ahopelto, Wictor Lund

arxiv:1803.05644 v1 · 2018-03-15 · 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{U2AQBZY3LDLJQ4J7KQGWYWYBDB}

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	2026-05-18T00:20:55.000469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a68100e71b58d698713f540d6c5b011851b5f86f482bb64cec210fa39c434e88

Aliases

arxiv: 1803.05644 · arxiv_version: 1803.05644v1 · doi: 10.48550/arxiv.1803.05644 · pith_short_12: U2AQBZY3LDLJ · pith_short_16: U2AQBZY3LDLJQ4J7 · pith_short_8: U2AQBZY3

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/U2AQBZY3LDLJQ4J7KQGWYWYBDB \
  | 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: a68100e71b58d698713f540d6c5b011851b5f86f482bb64cec210fa39c434e88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "045db99a9b272b1d4c193c47392f637d1985adea9641744ccabd3bd9d4df6f1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-03-15T09:00:03Z",
    "title_canon_sha256": "7db97c631180e3a35ee83d8ad4c3660d6b7b3c560c4844831c765f1c227c42de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05644",
    "kind": "arxiv",
    "version": 1
  }
}