Pith Number

pith:JDQZUDRY

pith:2016:JDQZUDRYSXPK37NDGPR6RW6BJT

not attested not anchored not stored refs pending

Scaled stochastic gradient descent for low-rank matrix completion

Bamdev Mishra, Rodolphe Sepulchre

arxiv:1603.04989 v2 · 2016-03-16 · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDQZUDRYSXPK37NDGPR6RW6BJT}

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	2026-05-18T01:03:07.380112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48e19a0e3895deadfda333e3e8dbc14ceb104ab1f6ea7d44974ce38088767a57

Aliases

arxiv: 1603.04989 · arxiv_version: 1603.04989v2 · doi: 10.48550/arxiv.1603.04989 · pith_short_12: JDQZUDRYSXPK · pith_short_16: JDQZUDRYSXPK37ND · pith_short_8: JDQZUDRY

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/JDQZUDRYSXPK37NDGPR6RW6BJT \
  | 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: 48e19a0e3895deadfda333e3e8dbc14ceb104ab1f6ea7d44974ce38088767a57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ef6464ff922bf27f1ba39017861d2e9d3c1161b4fc2d6a2512258b6ab62b885",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-03-16T08:48:57Z",
    "title_canon_sha256": "32376457ae57ed82b5b379a2dc256641f3d175ad1e27c963ce3898a09c61d2c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04989",
    "kind": "arxiv",
    "version": 2
  }
}