Pith Number

pith:PBMBCURI

pith:2017:PBMBCURIGEHHOW2VYS4FRTV4YK

not attested not anchored not stored refs pending

Probabilistic Matrix Factorization for Automated Machine Learning

Huseyn Melih Elibol, Nicolo Fusi, Rishit Sheth

arxiv:1705.05355 v2 · 2017-05-15 · 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{PBMBCURIGEHHOW2VYS4FRTV4YK}

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	2026-05-18T00:17:01.877183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7858115228310e775b55c4b858cebcc2aceae2d8bab967a2c44a35c32a97dcad

Aliases

arxiv: 1705.05355 · arxiv_version: 1705.05355v2 · doi: 10.48550/arxiv.1705.05355 · pith_short_12: PBMBCURIGEHH · pith_short_16: PBMBCURIGEHHOW2V · pith_short_8: PBMBCURI

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/PBMBCURIGEHHOW2VYS4FRTV4YK \
  | 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: 7858115228310e775b55c4b858cebcc2aceae2d8bab967a2c44a35c32a97dcad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0429ee7aab16faff7b98f1d3f71d5b944b39ec9f4dc5ed3207d162d25cc36510",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-05-15T17:47:26Z",
    "title_canon_sha256": "bfa29104e14b0acfc2a4a6a6bbab52fb8ae41fa5b9bf08ecb6df5e25c31f9c3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05355",
    "kind": "arxiv",
    "version": 2
  }
}