Pith Number

pith:ZYHJZL2H

pith:2019:ZYHJZL2HEWNQDWOBKVDMTPGLUO

not attested not anchored not stored refs pending

Coupled Variational Recurrent Collaborative Filtering

Qingquan Song, Shiyu Chang, Xia Hu

arxiv:1906.04386 v1 · 2019-06-11 · cs.LG · cs.IR · 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{ZYHJZL2HEWNQDWOBKVDMTPGLUO}

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	2026-05-17T23:43:39.434442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce0e9caf47259b01d9c15546c9bccba3bccd683e552c35c6500accc672916ca2

Aliases

arxiv: 1906.04386 · arxiv_version: 1906.04386v1 · doi: 10.48550/arxiv.1906.04386 · pith_short_12: ZYHJZL2HEWNQ · pith_short_16: ZYHJZL2HEWNQDWOB · pith_short_8: ZYHJZL2H

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/ZYHJZL2HEWNQDWOBKVDMTPGLUO \
  | 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: ce0e9caf47259b01d9c15546c9bccba3bccd683e552c35c6500accc672916ca2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11ffd55fa6898514a937394e3ff285b74b27ba135f4b280efc70901affafa0d1",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-11T04:29:07Z",
    "title_canon_sha256": "adca9d85ef829206255819fe9cf539740b34a22a7ece152cddba9f42bc655188"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04386",
    "kind": "arxiv",
    "version": 1
  }
}