Pith Number

pith:NPSUEJMG

pith:2018:NPSUEJMGY2BWHFUMTEOEBX6SFG

not attested not anchored not stored refs pending

Probabilistic Ensemble of Collaborative Filters

Dahua Lin, Zhiyu Min

arxiv:1808.03298 v2 · 2018-06-26 · cs.IR · cs.LG · stat.ML

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T00:08:14.239916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6be5422586c68363968c991c40dfd229a7a73d6e30dabce28d3273cd7ca63c71

Aliases

arxiv: 1808.03298 · arxiv_version: 1808.03298v2 · doi: 10.48550/arxiv.1808.03298

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/NPSUEJMGY2BWHFUMTEOEBX6SFG \
  | 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: 6be5422586c68363968c991c40dfd229a7a73d6e30dabce28d3273cd7ca63c71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb4ad7415d8d20301dcf5cf5c92eefe76dd6b3333eb8d1efb7c50d2e8dd08717",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-06-26T04:48:57Z",
    "title_canon_sha256": "300046d4d8d29cc785eda601b2b089af4b946ceb69c6f38e8f997d283308e6db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03298",
    "kind": "arxiv",
    "version": 2
  }
}