Pith Number

pith:GEE24EUU

pith:2019:GEE24EUUKHYQQB4J3Z2GE3A2EZ

not attested not anchored not stored refs pending

Gradient Descent for Sparse Rank-One Matrix Completion for Crowd-Sourced Aggregation of Sparsely Interacting Workers

Alex Olshevsky, Csaba Szepesvari, Venkatesh Saligrama, Yao Ma

arxiv:1904.11608 v2 · 2019-04-25 · cs.HC · cs.LG · 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{GEE24EUUKHYQQB4J3Z2GE3A2EZ}

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	2026-07-05T01:21:33.925184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3109ae129451f1080789de74626c1a267c83b0f7c4692ffb40e0610218fb6136

Aliases

arxiv: 1904.11608 · arxiv_version: 1904.11608v2 · doi: 10.48550/arxiv.1904.11608 · pith_short_12: GEE24EUUKHYQ · pith_short_16: GEE24EUUKHYQQB4J · pith_short_8: GEE24EUU

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/GEE24EUUKHYQQB4J3Z2GE3A2EZ \
  | 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: 3109ae129451f1080789de74626c1a267c83b0f7c4692ffb40e0610218fb6136

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bee62e130fdcbb1cee9a1436a7296c1c48976e9c9122d56e7d475b9203bb4dd1",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-04-25T22:09:58Z",
    "title_canon_sha256": "c72aaeecd10c501c845d656f89abd9ee811f6e12cf5cb775237d06392b819c16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11608",
    "kind": "arxiv",
    "version": 2
  }
}