Pith Number

pith:4AZLA6LQ

pith:2019:4AZLA6LQK5PGY5FPU2ALDNRVRI

not attested not anchored not stored refs pending

Multiple perspectives HMM-based feature engineering for credit card fraud detection

L\'ea Laporte, Liyun He-Guelton, Michael Granitzer, Olivier Caelen, Pierre-Edouard Portier, Sylvie Calabretto, Yvan Lucas

arxiv:1905.06247 v1 · 2019-05-15 · cs.LG · cs.AI · cs.CR · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4AZLA6LQK5PGY5FPU2ALDNRVRI}

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	2026-05-17T23:43:42.205624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e032b07970575e6c74afa680b1b6358a18041bcee15313b514bd72c50356d8a2

Aliases

arxiv: 1905.06247 · arxiv_version: 1905.06247v1 · doi: 10.48550/arxiv.1905.06247 · pith_short_12: 4AZLA6LQK5PG · pith_short_16: 4AZLA6LQK5PGY5FP · pith_short_8: 4AZLA6LQ

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/4AZLA6LQK5PGY5FPU2ALDNRVRI \
  | 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: e032b07970575e6c74afa680b1b6358a18041bcee15313b514bd72c50356d8a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb3062c11a1f2eee30c8b611c9b3ef45188fda049f1ecb3b17a0114a0f6f4259",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-15T15:29:49Z",
    "title_canon_sha256": "ece5648c40550ab8832756e5017c6364511464656aaf85db6edab139cfdeb9ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06247",
    "kind": "arxiv",
    "version": 1
  }
}