Pith Number

pith:6NVY6FMC

pith:2023:6NVY6FMCWVNBIM2CW26LRWW3ZC

not attested not anchored not stored refs pending

Robust and Practical Solution of Laplacian Equations by Approximate Elimination

Daniel A. Spielman, Rasmus Kyng, Yuan Gao

arxiv:2303.00709 v2 · 2023-03-01 · math.NA · cs.DS · cs.MS · 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{6NVY6FMCWVNBIM2CW26LRWW3ZC}

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

1 paper in Pith

LAMG+: A Robust Lean Algebraic Multigrid Solver for Graph Laplacians

Receipt and verification

First computed	2026-07-05T06:20:41.330064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f36b8f1582b55a143342b6bcb8dadbc8b12b33543377a343d68c42e0eb6b026e

Aliases

arxiv: 2303.00709 · arxiv_version: 2303.00709v2 · doi: 10.48550/arxiv.2303.00709 · pith_short_12: 6NVY6FMCWVNB · pith_short_16: 6NVY6FMCWVNBIM2C · pith_short_8: 6NVY6FMC

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/6NVY6FMCWVNBIM2CW26LRWW3ZC \
  | 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: f36b8f1582b55a143342b6bcb8dadbc8b12b33543377a343d68c42e0eb6b026e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c56c3a750892ccbe2e65ca5acc5c2dbd52ec8384358ea8b1c4dfc533e4c5255",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.MS",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-03-01T18:07:51Z",
    "title_canon_sha256": "11f15604ba26109b1708dfd8779c40aaae1a51c15cdbf5347563d63a298408e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.00709",
    "kind": "arxiv",
    "version": 2
  }
}