Pith Number

pith:C5J76HSC

pith:2018:C5J76HSCX5HHVHBZDM4M5OQ3QM

not attested not anchored not stored refs pending

Rank and Rate: Multi-task Learning for Recommender Systems

Guy Hadash, Oren Sar Shalom, Rita Osadchy

arxiv:1807.11698 v1 · 2018-07-31 · cs.IR · 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{C5J76HSCX5HHVHBZDM4M5OQ3QM}

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	2026-05-18T00:08:53.594506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1753ff1e42bf4e7a9c391b38ceba1b83356868f707bcb769996f21adc6816509

Aliases

arxiv: 1807.11698 · arxiv_version: 1807.11698v1 · doi: 10.48550/arxiv.1807.11698 · pith_short_12: C5J76HSCX5HH · pith_short_16: C5J76HSCX5HHVHBZ · pith_short_8: C5J76HSC

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/C5J76HSCX5HHVHBZDM4M5OQ3QM \
  | 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: 1753ff1e42bf4e7a9c391b38ceba1b83356868f707bcb769996f21adc6816509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a554aca2a95443a4670547500c160acfacf63601c34d66d049b9ecce2881395b",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-07-31T08:16:08Z",
    "title_canon_sha256": "c4286edaf1760b801bdd8aed0a0c28295adc935a7522e9ec9b001894dc80e717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11698",
    "kind": "arxiv",
    "version": 1
  }
}