Pith Number

pith:4YA6PF72

pith:2018:4YA6PF72J7KBOASXQZDJBO4JWJ

not attested not anchored not stored refs pending

Learning Distributed Representations from Reviews for Collaborative Filtering

Aaron Courville, Amjad Almahairi, Kyle Kastner, Kyunghyun Cho

arxiv:1806.06875 v1 · 2018-06-18 · cs.LG · 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{4YA6PF72J7KBOASXQZDJBO4JWJ}

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	2026-05-18T00:12:58.250731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e601e797fa4fd4170257864690bb89b241f1e17a1d023e9f62192756003fcd1a

Aliases

arxiv: 1806.06875 · arxiv_version: 1806.06875v1 · doi: 10.48550/arxiv.1806.06875 · pith_short_12: 4YA6PF72J7KB · pith_short_16: 4YA6PF72J7KBOASX · pith_short_8: 4YA6PF72

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/4YA6PF72J7KBOASXQZDJBO4JWJ \
  | 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: e601e797fa4fd4170257864690bb89b241f1e17a1d023e9f62192756003fcd1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b63610deb2e6cf686fa2f6b553d18eb3b39a62859a33a5624179cdc0a1546494",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-06-18T18:18:05Z",
    "title_canon_sha256": "650910e64435e1b37c57043ad3ff8b8b49826dedf03ddfe5816c39e2049b1d19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06875",
    "kind": "arxiv",
    "version": 1
  }
}