Pith Number

pith:QSZMITHI

pith:2026:QSZMITHIMC6DAVPRMODM7SZ6JJ

not attested not anchored not stored refs pending

Bridging the Gap between Sparse Matrix Reordering and Factorization: A Deep Learning Framework for Fill-in Reduction

Huiyuan Li, Shuzi Niu, Tao Yuan, Ziwei Li

arxiv:2605.17339 v1 · 2026-05-17 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSZMITHIMC6DAVPRMODM7SZ6JJ}

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	2026-05-20T00:03:53.011548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84b2c44ce860bc3055f16386cfcb3e4a53d6a74d8ad9a01de50db82ed360d7cb

Aliases

arxiv: 2605.17339 · arxiv_version: 2605.17339v1 · doi: 10.48550/arxiv.2605.17339 · pith_short_12: QSZMITHIMC6D · pith_short_16: QSZMITHIMC6DAVPR · pith_short_8: QSZMITHI

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/QSZMITHIMC6DAVPRMODM7SZ6JJ \
  | 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: 84b2c44ce860bc3055f16386cfcb3e4a53d6a74d8ad9a01de50db82ed360d7cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85bb1b9cda1242738fbd82bf016c0509c8427f7d6d3f2042a5bc743b4967ebe7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-17T09:15:42Z",
    "title_canon_sha256": "1e72ad5a73697e1c8ea7d2619ddfd1a9900f1a6a19054d0cde81af275a6ebced"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17339",
    "kind": "arxiv",
    "version": 1
  }
}