Pith Number

pith:LK2FVO6M

pith:2010:LK2FVO6M2WZVJBSXIII6WOXM5W

not attested not anchored not stored refs pending

Row Sampling for Matrix Algorithms via a Non-Commutative Bernstein Bound

Malik Magdon-Ismail

arxiv:1008.0587 v1 · 2010-08-03 · 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{LK2FVO6M2WZVJBSXIII6WOXM5W}

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	2026-05-18T04:42:42.683179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ab45abbccd5b35486574211eb3aeceda9e026b6f7741bdd771cc51fb16d40c9

Aliases

arxiv: 1008.0587 · arxiv_version: 1008.0587v1 · doi: 10.48550/arxiv.1008.0587 · pith_short_12: LK2FVO6M2WZV · pith_short_16: LK2FVO6M2WZVJBSX · pith_short_8: LK2FVO6M

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/LK2FVO6M2WZVJBSXIII6WOXM5W \
  | 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: 5ab45abbccd5b35486574211eb3aeceda9e026b6f7741bdd771cc51fb16d40c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "399b164ab496c5ed793790025dfa0fc2aa5d5e1d3fb08eaf4967699369c44d36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-08-03T16:28:10Z",
    "title_canon_sha256": "91e9b3fb4e99948051acec82346209e8ed624436d1d5b4da4861ba7cfcfa1744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0587",
    "kind": "arxiv",
    "version": 1
  }
}