Pith Number

pith:M7CWVYCH

pith:2010:M7CWVYCHEWI5CNBD3E4BX4YS34

not attested not anchored not stored refs pending

Effective Resistances, Statistical Leverage, and Applications to Linear Equation Solving

Michael W. Mahoney, Petros Drineas

arxiv:1005.3097 v1 · 2010-05-18 · cs.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{M7CWVYCHEWI5CNBD3E4BX4YS34}

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	2026-06-03T23:06:37.403617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67c56ae0472591d13423d9381bf312df29dcb6e30a07564a8158df757fcc99b3

Aliases

arxiv: 1005.3097 · arxiv_version: 1005.3097v1 · doi: 10.48550/arxiv.1005.3097 · pith_short_12: M7CWVYCHEWI5 · pith_short_16: M7CWVYCHEWI5CNBD · pith_short_8: M7CWVYCH

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/M7CWVYCHEWI5CNBD3E4BX4YS34 \
  | 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: 67c56ae0472591d13423d9381bf312df29dcb6e30a07564a8158df757fcc99b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63dead5be14de8014b5e3bb5ca7f72a03b4dcd5cedb8c490e8e1767b342843d1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2010-05-18T04:24:36Z",
    "title_canon_sha256": "920bc892e4043115d585cb4cd23023d07acc5b1d77dc56695ad3ec97d0b60cf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3097",
    "kind": "arxiv",
    "version": 1
  }
}