Pith Number

pith:GUW4OBEA

pith:2025:GUW4OBEAUT3WTF5VHC3ASH3NY5

not attested not anchored not stored refs pending

Understanding the Kronecker Matrix-Vector Complexity of Linear Algebra

David P. Woodruff, Raphael A. Meyer, William Swartworth

arxiv:2502.08029 v2 · 2025-02-12 · cs.DS · cs.NA · math.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{GUW4OBEAUT3WTF5VHC3ASH3NY5}

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

Faster Linear Algebra Algorithms with Structured Random Matrices

Receipt and verification

First computed	2026-07-05T10:13:48.358877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

352dc70480a4f76997b538b6091f6dc77da5ae7e73a641b1bafe6668ca36b45b

Aliases

arxiv: 2502.08029 · arxiv_version: 2502.08029v2 · doi: 10.48550/arxiv.2502.08029 · pith_short_12: GUW4OBEAUT3W · pith_short_16: GUW4OBEAUT3WTF5V · pith_short_8: GUW4OBEA

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/GUW4OBEAUT3WTF5VHC3ASH3NY5 \
  | 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: 352dc70480a4f76997b538b6091f6dc77da5ae7e73a641b1bafe6668ca36b45b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fba7c950d395f09784217c0ee547baf83815eff189bd787e37a040ada18d9d90",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-02-12T00:09:18Z",
    "title_canon_sha256": "35a79a0d234947a189da44a5f1e738282836f33f4e303826107cb7be2afbe2c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.08029",
    "kind": "arxiv",
    "version": 2
  }
}