Pith Number

pith:TIJHBEHA

pith:2016:TIJHBEHAN6M5SWODMUMYECFQGL

not attested not anchored not stored refs pending

CuMF_SGD: Fast and Scalable Matrix Factorization

Liana L. Fong, Wei Tan, Xiaolong Xie, Yun Liang

arxiv:1610.05838 v3 · 2016-10-19 · cs.LG · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TIJHBEHAN6M5SWODMUMYECFQGL}

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	2026-05-18T00:59:41.530682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a127090e06f99d959c365198208b032c7f5477103cdfddb011777a7996d6160

Aliases

arxiv: 1610.05838 · arxiv_version: 1610.05838v3 · doi: 10.48550/arxiv.1610.05838 · pith_short_12: TIJHBEHAN6M5 · pith_short_16: TIJHBEHAN6M5SWOD · pith_short_8: TIJHBEHA

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/TIJHBEHAN6M5SWODMUMYECFQGL \
  | 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: 9a127090e06f99d959c365198208b032c7f5477103cdfddb011777a7996d6160

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbe50f58510b31c856b2da52cea03d786a7ed4296171f49aef5c2fbeb7ced2fc",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-10-19T01:28:11Z",
    "title_canon_sha256": "4509fd65c8cbb8b586fefc8adceb6c1ab6f7280fc7a4992572f089a0ec0d47a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05838",
    "kind": "arxiv",
    "version": 3
  }
}