Pith Number

pith:DBXJQIPR

pith:2020:DBXJQIPRCRKLATIQTRBEUKYHNF

not attested not anchored not stored refs pending

Fast and stable randomized low-rank matrix approximation

Yuji Nakatsukasa

arxiv:2009.11392 v1 · 2020-09-23 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBXJQIPRCRKLATIQTRBEUKYHNF}

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

6 papers in Pith

Adaptive, Matrix-Free Low-Rank Approximation

Transpose-free linear algebra

Randomized coupled decompositions

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

Accelerating Power Method with Fast Sketching for Stronger Low-Rank Approximation

Receipt and verification

First computed	2026-07-05T01:37:45.203958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

186e9821f11454b04d109c424a2b07697d3ffc48e8a572d9e93680a5386e6b1a

Aliases

arxiv: 2009.11392 · arxiv_version: 2009.11392v1 · doi: 10.48550/arxiv.2009.11392 · pith_short_12: DBXJQIPRCRKL · pith_short_16: DBXJQIPRCRKLATIQ · pith_short_8: DBXJQIPR

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/DBXJQIPRCRKLATIQTRBEUKYHNF \
  | 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: 186e9821f11454b04d109c424a2b07697d3ffc48e8a572d9e93680a5386e6b1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d70141c3d506d69ade8c418ed8cf5027113abf516f57836ec1663759a38d1e63",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-09-23T21:40:36Z",
    "title_canon_sha256": "6ba6893f7a2714925b2f462b6f41132d9fca04cbb5a4a2cc3ffd1a52d7fc7ece"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.11392",
    "kind": "arxiv",
    "version": 1
  }
}