Pith Number

pith:3PEGUVL2

pith:2011:3PEGUVL2DGXG2NOIZVWNPIW3GC

not attested not anchored not stored refs pending

Improved Low-rank Matrix Decompositions via the Subsampled Randomized Hadamard Transform

Christos Boutsidis

arxiv:1105.0464 v3 · 2011-05-03 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PEGUVL2DGXG2NOIZVWNPIW3GC}

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	2026-05-18T03:58:48.758305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbc86a557a19ae6d35c8cd6cd7a2db3087b330789f313e5f79c08431ef15ef65

Aliases

arxiv: 1105.0464 · arxiv_version: 1105.0464v3 · doi: 10.48550/arxiv.1105.0464 · pith_short_12: 3PEGUVL2DGXG · pith_short_16: 3PEGUVL2DGXG2NOI · pith_short_8: 3PEGUVL2

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/3PEGUVL2DGXG2NOIZVWNPIW3GC \
  | 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: dbc86a557a19ae6d35c8cd6cd7a2db3087b330789f313e5f79c08431ef15ef65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "117341a4e70dec6a371de4cec2327b62fff14b4dc0144b0754ecb633fbf24497",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-05-03T01:39:02Z",
    "title_canon_sha256": "24d5f5d8e8a5b788c40e9a6eb221b862ec7cb0ed350bcaa23c4c71d65f63bfc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0464",
    "kind": "arxiv",
    "version": 3
  }
}