Pith Number

pith:LSWKS5GS

pith:2018:LSWKS5GSRY5GFD2QR2L3XOZ7RU

not attested not anchored not stored refs pending

Matrix Factorization on GPUs with Memory Optimization and Approximate Computing

Cheng Li, Liana Fong, Liangliang Cao, Shiyu Chang, Wei Tan, Zijun Wang

arxiv:1808.03843 v1 · 2018-08-11 · cs.DC · 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{LSWKS5GSRY5GFD2QR2L3XOZ7RU}

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	2026-05-18T00:08:19.564759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5caca974d28e3a628f508e97bbbb3f8d34e7f41010135b93d0072c3bcf2164c8

Aliases

arxiv: 1808.03843 · arxiv_version: 1808.03843v1 · doi: 10.48550/arxiv.1808.03843 · pith_short_12: LSWKS5GSRY5G · pith_short_16: LSWKS5GSRY5GFD2Q · pith_short_8: LSWKS5GS

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/LSWKS5GSRY5GFD2QR2L3XOZ7RU \
  | 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: 5caca974d28e3a628f508e97bbbb3f8d34e7f41010135b93d0072c3bcf2164c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc41cf5940cc4cd85a4b2d229487906c0e09b81cfa65e92a9e0dcef41260c679",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-08-11T17:36:10Z",
    "title_canon_sha256": "2be0ea885bf8b7044720de27759981b944718ecff3a109799e7d5c7a4ab166e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03843",
    "kind": "arxiv",
    "version": 1
  }
}