Pith Number

pith:J6O472AV

pith:2020:J6O472AVCORPXR4ZKRE3KU3DYC

not attested not anchored not stored refs pending

Review Regularized Neural Collaborative Filtering

Qingyao Ai, Wenzheng Tao, Zhimeng Pan

arxiv:2008.13527 v1 · 2020-08-20 · 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{J6O472AVCORPXR4ZKRE3KU3DYC}

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	2026-07-05T01:31:38.268107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f9dcfe81513a2fbc7995449b55363c0b6cf467bc0dcdda6ac0f5e373aa7e40b

Aliases

arxiv: 2008.13527 · arxiv_version: 2008.13527v1 · doi: 10.48550/arxiv.2008.13527 · pith_short_12: J6O472AVCORP · pith_short_16: J6O472AVCORPXR4Z · pith_short_8: J6O472AV

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/J6O472AVCORPXR4ZKRE3KU3DYC \
  | 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: 4f9dcfe81513a2fbc7995449b55363c0b6cf467bc0dcdda6ac0f5e373aa7e40b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f44327bd586bc8f53b7effe94af4ccf3c98a5091bc70580edac3252863586047",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-08-20T18:54:27Z",
    "title_canon_sha256": "beb7b54acfed98340abdb1573ea00b31620fbb94c5f508b39b77f4db11d78a63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13527",
    "kind": "arxiv",
    "version": 1
  }
}