Pith Number

pith:RUT6JLMN

pith:2016:RUT6JLMNG4ADT5MNDD4JAHEJCZ

not attested not anchored not stored refs pending

Matrix Factorization at Scale: a Comparison of Scientific Data Analytics in Spark and C+MPI Using Three Case Studies

Aditya Devarakonda, Alex Gittens, Evan Racah, James Demmel, Jatin Chhugani, Jey Kottalam, Jialin Liu, Jim Harrell, Jiyan Yang, Kristyn Maschhoff, Lisa Gerhardt, Michael Ringenburg, Michael W. Mahoney, Prabhat, Pramod Sharma, Shane Canon, Venkat Krishnamurthy

arxiv:1607.01335 v3 · 2016-07-05 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUT6JLMNG4ADT5MNDD4JAHEJCZ}

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	2026-05-18T01:04:08.859976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d27e4ad8d370039f58d18f8901c891647f31b842a7e534f654a15fbba8dd3a1

Aliases

arxiv: 1607.01335 · arxiv_version: 1607.01335v3 · doi: 10.48550/arxiv.1607.01335 · pith_short_12: RUT6JLMNG4AD · pith_short_16: RUT6JLMNG4ADT5MN · pith_short_8: RUT6JLMN

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/RUT6JLMNG4ADT5MNDD4JAHEJCZ \
  | 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: 8d27e4ad8d370039f58d18f8901c891647f31b842a7e534f654a15fbba8dd3a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7565d5fa7eeda8bc77af80bb2636f5e01596520205b50ca7fcaa8bcd35f881d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-07-05T17:19:53Z",
    "title_canon_sha256": "1a78aae7718353583bace4593c67929206bf15650832792632695ef6abad8121"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01335",
    "kind": "arxiv",
    "version": 3
  }
}