Pith Number

pith:J3667K3C

pith:2023:J3667K3CF7JXTATRYJFP2AGHM5

not attested not anchored not stored refs pending

Fast Exact Leverage Score Sampling from Khatri-Rao Products with Applications to Tensor Decomposition

Aydin Buluc, James Demmel, Laura Grigori, Osman Asif Malik, Riley Murray, Vivek Bharadwaj

arxiv:2301.12584 v4 · 2023-01-29 · math.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{J3667K3CF7JXTATRYJFP2AGHM5}

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	2026-07-05T07:50:18.879413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4efdefab622fd3798271c24afd00c76749045cd55f06a5a70bfdcc5b602c82cc

Aliases

arxiv: 2301.12584 · arxiv_version: 2301.12584v4 · doi: 10.48550/arxiv.2301.12584 · pith_short_12: J3667K3CF7JX · pith_short_16: J3667K3CF7JXTATR · pith_short_8: J3667K3C

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/J3667K3CF7JXTATRYJFP2AGHM5 \
  | 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: 4efdefab622fd3798271c24afd00c76749045cd55f06a5a70bfdcc5b602c82cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adbf7aa6810b2c43d20fa78ee769647f1175209938805cfa4e677f524359b185",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-01-29T23:43:12Z",
    "title_canon_sha256": "c363b11a766b5baea0a9396d24b071aa38809f3515c60a85d36ace786fc80646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.12584",
    "kind": "arxiv",
    "version": 4
  }
}