Pith Number

pith:EZOGBVML

pith:2011:EZOGBVMLQA7WLUYLRA2QA3IGRM

not attested not anchored not stored refs pending

The spectral norm error of the naive Nystrom extension

Alex Gittens

arxiv:1110.5305 v1 · 2011-10-24 · 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{EZOGBVMLQA7WLUYLRA2QA3IGRM}

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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

1 paper in Pith

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

Receipt and verification

First computed	2026-05-18T04:10:24.169194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

265c60d58b803f65d30b8835006d068b0e129ab2696c7ef61b14ab925f8eaec9

Aliases

arxiv: 1110.5305 · arxiv_version: 1110.5305v1 · doi: 10.48550/arxiv.1110.5305 · pith_short_12: EZOGBVMLQA7W · pith_short_16: EZOGBVMLQA7WLUYL · pith_short_8: EZOGBVML

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/EZOGBVMLQA7WLUYLRA2QA3IGRM \
  | 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: 265c60d58b803f65d30b8835006d068b0e129ab2696c7ef61b14ab925f8eaec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b432b87142f9b37899b2f3e16a1da037fd682d747dcac7ccb1e17bd5702f84ec",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-10-24T18:57:57Z",
    "title_canon_sha256": "a7c64729b72f0bff159a0986e73f02a159d2d3887d374333de8ffc717345545d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5305",
    "kind": "arxiv",
    "version": 1
  }
}