Pith Number

pith:HKOTXPAT

pith:2020:HKOTXPAT66PF5B54CITXNRLWA6

not attested not anchored not stored refs pending

Implicit Feedback Deep Collaborative Filtering Product Recommendation System

Deepa Kundur, Karthik Raja Kalaiselvi Bhaskar, Yuri Lawryshyn

arxiv:2009.08950 v2 · 2020-09-08 · 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{HKOTXPAT66PF5B54CITXNRLWA6}

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	2026-07-05T01:58:42.496691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a9d3bbc13f79e5e87bc122776c576079de70133b687e1d6214619594fdb331c

Aliases

arxiv: 2009.08950 · arxiv_version: 2009.08950v2 · doi: 10.48550/arxiv.2009.08950 · pith_short_12: HKOTXPAT66PF · pith_short_16: HKOTXPAT66PF5B54 · pith_short_8: HKOTXPAT

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/HKOTXPAT66PF5B54CITXNRLWA6 \
  | 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: 3a9d3bbc13f79e5e87bc122776c576079de70133b687e1d6214619594fdb331c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b807a7eec643a4ad890f1ecd7421d2089c55fc429d7427ef30b4a4622f77e1e4",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-09-08T19:30:14Z",
    "title_canon_sha256": "4b9163958e0be158735ee30644c59eb2070deca512b5f3d60745c40ca708192a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.08950",
    "kind": "arxiv",
    "version": 2
  }
}