Pith Number

pith:WMUQGG2D

pith:2014:WMUQGG2DZWF2B2I2L2UP45OQZ2

not attested not anchored not stored refs pending

Sketching as a Tool for Numerical Linear Algebra

David P. Woodruff

arxiv:1411.4357 v3 · 2014-11-17 · 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{WMUQGG2DZWF2B2I2L2UP45OQZ2}

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

2 papers in Pith

Hybrid Sketching Methods for Dynamic Connectivity on Sparse Graphs

Deterministic sketching for Krylov subspace methods

Receipt and verification

First computed	2026-05-18T02:27:31.921747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b329031b43cd8ba0e91a5ea8fe75d0ce969a1a1c5fb9a124968a44dc702db022

Aliases

arxiv: 1411.4357 · arxiv_version: 1411.4357v3 · doi: 10.48550/arxiv.1411.4357 · pith_short_12: WMUQGG2DZWF2 · pith_short_16: WMUQGG2DZWF2B2I2 · pith_short_8: WMUQGG2D

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/WMUQGG2DZWF2B2I2L2UP45OQZ2 \
  | 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: b329031b43cd8ba0e91a5ea8fe75d0ce969a1a1c5fb9a124968a44dc702db022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89d612a9189c5c0825d40994f0d16d5f0429f5bc85fe4e6dc44308f476eb5c49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-11-17T04:11:34Z",
    "title_canon_sha256": "7df59a613f1914c44c6c1b7bb224c39bb25ca5f12c5eb5cdce667a36f41ed593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4357",
    "kind": "arxiv",
    "version": 3
  }
}