Pith Number

pith:VSJ3K6BL

pith:2014:VSJ3K6BLNGJSE6534XWQCEYTWW

not attested not anchored not stored refs pending

Factorbird - a Parameter Server Approach to Distributed Matrix Factorization

Reza Zadeh, Sebastian Schelter, Venu Satuluri

arxiv:1411.0602 v1 · 2014-11-03 · 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{VSJ3K6BLNGJSE6534XWQCEYTWW}

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.

Cited by

1 paper in Pith

Block based Singular Value Decomposition approach to matrix factorization for recommender systems

Receipt and verification

First computed	2026-05-18T02:38:45.027563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac93b5782b6993227bbbe5ed011313b5a12b476727b0b638408b596ba03c8121

Aliases

arxiv: 1411.0602 · arxiv_version: 1411.0602v1 · doi: 10.48550/arxiv.1411.0602 · pith_short_12: VSJ3K6BLNGJS · pith_short_16: VSJ3K6BLNGJSE653 · pith_short_8: VSJ3K6BL

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/VSJ3K6BLNGJSE6534XWQCEYTWW \
  | 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: ac93b5782b6993227bbbe5ed011313b5a12b476727b0b638408b596ba03c8121

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e804cf199b3dcf24f0c795be970a3c2a0259c4b53d0cc9910d150a8f541111ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-11-03T18:49:25Z",
    "title_canon_sha256": "14e8a8a7c052045afd7d01a0a0541745fd29f133d4b6e043297d5539f0826e5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0602",
    "kind": "arxiv",
    "version": 1
  }
}