Pith Number

pith:AAW4MXHE

pith:2024:AAW4MXHEJRAD3AOX44NTGRRXFK

not attested not anchored not stored refs pending

Understanding and Scaling Collaborative Filtering Optimization from the Perspective of Matrix Rank

Danai Koutra, Donald Loveland, Mingxuan Ju, Neil Shah, Tong Zhao, Xinyi Wu

arxiv:2410.23300 v3 · 2024-10-15 · cs.IR · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AAW4MXHEJRAD3AOX44NTGRRXFK}

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	2026-07-05T12:02:37.076233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

002dc65ce44c403d81d7e71b3346372ab3e1c235f79f5de496c1fec14cf16e39

Aliases

arxiv: 2410.23300 · arxiv_version: 2410.23300v3 · doi: 10.48550/arxiv.2410.23300 · pith_short_12: AAW4MXHEJRAD · pith_short_16: AAW4MXHEJRAD3AOX · pith_short_8: AAW4MXHE

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/AAW4MXHEJRAD3AOX44NTGRRXFK \
  | 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: 002dc65ce44c403d81d7e71b3346372ab3e1c235f79f5de496c1fec14cf16e39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "823a1238afae1a861c4ae725c16a775a0945b9c235890cf608a8cf58f7814b3a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2024-10-15T21:54:13Z",
    "title_canon_sha256": "2e796e70ed32c4d1cf78f5998e53b74f1a20af991e77f3411a084574879ba843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.23300",
    "kind": "arxiv",
    "version": 3
  }
}