Pith Number

pith:FZR767LE

pith:2019:FZR767LEOG2NG2ISH35CSYV5XN

not attested not anchored not stored refs pending

DeepCF: A Unified Framework of Representation Learning and Matching Function Learning in Recommender System

Chang-Dong Wang, Jian-Huang Lai, Ling Huang, Philip S. Yu, Zhi-Hong Deng

arxiv:1901.04704 v1 · 2019-01-15 · 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{FZR767LEOG2NG2ISH35CSYV5XN}

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	2026-05-17T23:56:22.000570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e63ff7d6471b4d369123efa2962bdbb6aa729e874f4dccdfe52d45859e9cbc9

Aliases

arxiv: 1901.04704 · arxiv_version: 1901.04704v1 · doi: 10.48550/arxiv.1901.04704 · pith_short_12: FZR767LEOG2N · pith_short_16: FZR767LEOG2NG2IS · pith_short_8: FZR767LE

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/FZR767LEOG2NG2ISH35CSYV5XN \
  | 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: 2e63ff7d6471b4d369123efa2962bdbb6aa729e874f4dccdfe52d45859e9cbc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "976bb42d11dc43ec7e9681f7cc1301e7c4adb4fe21b0a071d508351f33e37b8a",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-15T08:25:00Z",
    "title_canon_sha256": "513aa6f3b17f5cd7d0fac63ecf865d56e6637e1ee8214ac56ba2b62af465d77e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04704",
    "kind": "arxiv",
    "version": 1
  }
}