Pith Number

pith:A6W62TLP

pith:2025:A6W62TLPCD4RJ5CLPRJHVHJPQI

not attested not anchored not stored refs pending

Splitting-based randomized dynamical low-rank approximations for stiff matrix differential equations

Xian-Ming Gu, Yong-Liang Zhao, Zi Wu

arxiv:2506.15259 v3 · 2025-06-18 · 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{A6W62TLPCD4RJ5CLPRJHVHJPQI}

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	2026-07-07T02:19:38.771891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07aded4d6f10f914f44b7c527a9d2f823ee5da1f25cd0669c70f08930f4a6cab

Aliases

arxiv: 2506.15259 · arxiv_version: 2506.15259v3 · doi: 10.48550/arxiv.2506.15259 · pith_short_12: A6W62TLPCD4R · pith_short_16: A6W62TLPCD4RJ5CL · pith_short_8: A6W62TLP

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/A6W62TLPCD4RJ5CLPRJHVHJPQI \
  | 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: 07aded4d6f10f914f44b7c527a9d2f823ee5da1f25cd0669c70f08930f4a6cab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "302151083267f1b6917426f6f1cd0c0715a272ee7979e0a6de8fd7e4a8c39430",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-18T08:37:17Z",
    "title_canon_sha256": "55010569628950e22d378ca58fd91e1e001573ae8315da50a6aa2176df0acb49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.15259",
    "kind": "arxiv",
    "version": 3
  }
}