pith. sign in
Pith Number

pith:YV7JDWTY

pith:2017:YV7JDWTYWHOBUEZKITLAS32H3R
not attested not anchored not stored refs pending

A modified generalized shift-splitting preconditioner for nonsymmetric saddle point problems

Jingjing Cui, Ligong Wang, Zhengge Huang, Zhong Xu

arxiv:1701.04157 v1 · 2017-01-16 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YV7JDWTYWHOBUEZKITLAS32H3R}

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 2026-05-18T00:52:47.672844Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c57e91da78b1dc1a132a44d6096f47dc50a9a55a904c5199ffb4387317e152b1

Aliases

arxiv: 1701.04157 · arxiv_version: 1701.04157v1 · doi: 10.48550/arxiv.1701.04157 · pith_short_12: YV7JDWTYWHOB · pith_short_16: YV7JDWTYWHOBUEZK · pith_short_8: YV7JDWTY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YV7JDWTYWHOBUEZKITLAS32H3R \
  | 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: c57e91da78b1dc1a132a44d6096f47dc50a9a55a904c5199ffb4387317e152b1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d7d95e16e154b41cf3e9a5bf8f2e898c1b046e9e6260c785f1aa8b94416c36cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-01-16T03:48:03Z",
    "title_canon_sha256": "4bf8c474da89922ae887c1c75d840bd5d962cab135010b94be6c271e43739dbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04157",
    "kind": "arxiv",
    "version": 1
  }
}