Pith Number

pith:C66KRDRR

pith:2020:C66KRDRRVLP6NFZMGKY7WYYV3B

not attested not anchored not stored refs pending

Semi-nonparametric Latent Class Choice Model with a Flexible Class Membership Component: A Mixture Model Approach

Filipe Rodrigues, Francisco Camara Pereira, Georges Sfeir, Isam Kaysi, Maya Abou-Zeid

arxiv:2007.02739 v1 · 2020-07-06 · econ.EM · cs.LG · stat.ME · 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{C66KRDRRVLP6NFZMGKY7WYYV3B}

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	2026-07-05T06:37:26.674396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17bca88e31aadfe6972c32b1fb6315d8688337719c111e9bdd14c77873afb233

Aliases

arxiv: 2007.02739 · arxiv_version: 2007.02739v1 · doi: 10.48550/arxiv.2007.02739 · pith_short_12: C66KRDRRVLP6 · pith_short_16: C66KRDRRVLP6NFZM · pith_short_8: C66KRDRR

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/C66KRDRRVLP6NFZMGKY7WYYV3B \
  | 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: 17bca88e31aadfe6972c32b1fb6315d8688337719c111e9bdd14c77873afb233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fde38b3ec3d561ccdc40cdf4a5124b7981a78b77adf36ee8269eec9fa678551",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ME",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2020-07-06T13:19:26Z",
    "title_canon_sha256": "5b5c2474c52ce9b0d519d3423de91493504475264f6a0f099650df2147a63fe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02739",
    "kind": "arxiv",
    "version": 1
  }
}