Pith Number

pith:LMHARSIW

pith:2020:LMHARSIWFAPHBHRGHHI2535XDK

not attested not anchored not stored refs pending

Statistically Guided Divide-and-Conquer for Sparse Factorization of Large Matrix

Kun Chen, Ruipeng Dong, Wanwan Xu, Zemin Zheng

arxiv:2003.07898 v1 · 2020-03-17 · stat.ML · cs.LG · math.ST · stat.CO · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LMHARSIWFAPHBHRGHHI2535XDK}

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	2026-07-05T00:49:02.496226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b0e08c916281e709e2639d1aeefb71ab23c112e68096acab490c073494cee8a

Aliases

arxiv: 2003.07898 · arxiv_version: 2003.07898v1 · doi: 10.48550/arxiv.2003.07898 · pith_short_12: LMHARSIWFAPH · pith_short_16: LMHARSIWFAPHBHRG · pith_short_8: LMHARSIW

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/LMHARSIWFAPHBHRGHHI2535XDK \
  | 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: 5b0e08c916281e709e2639d1aeefb71ab23c112e68096acab490c073494cee8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54cf2b6111c4b3a9b4f1bc6d918b23e0497285a91a8bd3ed892d2690a698d0d8",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.CO",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-03-17T19:12:21Z",
    "title_canon_sha256": "859118d8473a43be54e2ba738aec328cc101167e3593e9524b90b9694c7bc12d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.07898",
    "kind": "arxiv",
    "version": 1
  }
}