Pith Number

pith:N2FJBJLH

pith:2016:N2FJBJLHUIRHS724NTYPA43JWB

not attested not anchored not stored refs pending

Practical sketching algorithms for low-rank matrix approximation

Alp Yurtsever, Joel A. Tropp, Madeleine Udell, Volkan Cevher

arxiv:1609.00048 v2 · 2016-08-31 · cs.NA · cs.DS · math.NA · stat.CO · 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{N2FJBJLHUIRHS724NTYPA43JWB}

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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

2 papers in Pith

Sharp analysis of sketched least squares and randomized low-rank approximation

Scaling Federated Linear Contextual Bandits via Sketching

Receipt and verification

First computed	2026-05-18T00:26:57.798638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e8a90a567a222797f5c6cf0f07369b06f2ff403f743cf0bde71259c045845de

Aliases

arxiv: 1609.00048 · arxiv_version: 1609.00048v2 · doi: 10.48550/arxiv.1609.00048 · pith_short_12: N2FJBJLHUIRH · pith_short_16: N2FJBJLHUIRHS724 · pith_short_8: N2FJBJLH

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/N2FJBJLHUIRHS724NTYPA43JWB \
  | 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: 6e8a90a567a222797f5c6cf0f07369b06f2ff403f743cf0bde71259c045845de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faf52145eb1170de2e1e1b46cfbf9ae293c26caa736c33d3501dffc0aa12995c",
    "cross_cats_sorted": [
      "cs.DS",
      "math.NA",
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2016-08-31T21:30:26Z",
    "title_canon_sha256": "766b7bd8a767b5de173df9a708ab2ded9d94d05dfecf456919727aa0d211e5ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00048",
    "kind": "arxiv",
    "version": 2
  }
}