pith. sign in
Pith Number

pith:JNIFFIJJ

pith:2019:JNIFFIJJ57PH4WZXMES7QHOGTT
not attested not anchored not stored refs pending

Optimising maintenance: What are the expectations for Cyber Physical Systems

Erkki Jantunen, Luis Lino Ferreira, Pal Varga, Urko Zurutuza

arxiv:1903.12644 v1 · 2019-03-20 · eess.SP · cs.SY

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JNIFFIJJ57PH4WZXMES7QHOGTT}

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 2026-05-17T23:49:53.563971Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4b5052a129efde7e5b376125f81dc69cc981a2daa410d0f7b4fb4a494df15a1a

Aliases

arxiv: 1903.12644 · arxiv_version: 1903.12644v1 · doi: 10.48550/arxiv.1903.12644 · pith_short_12: JNIFFIJJ57PH · pith_short_16: JNIFFIJJ57PH4WZX · pith_short_8: JNIFFIJJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JNIFFIJJ57PH4WZXMES7QHOGTT \
  | 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: 4b5052a129efde7e5b376125f81dc69cc981a2daa410d0f7b4fb4a494df15a1a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8381c1e455b61f8884f66d547023b88079915e6f30c3ac4f01c2cb13036506a5",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-03-20T11:03:48Z",
    "title_canon_sha256": "e42fb51a2b0c93bead3b60560bd0b01924f75a50fb5aa648ce68a0b427edc92e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12644",
    "kind": "arxiv",
    "version": 1
  }
}