Pith Number

pith:2WMO27RD

pith:2014:2WMO27RDY6CX62XGCGXFGIEK3C

not attested not anchored not stored refs pending

On the generalized shift-splitting preconditioner for saddle point problems

Davod Hezari, Davod Khojasteh Salkuyeh, Mohsen Masoudi

arxiv:1412.8449 v2 · 2014-12-29 · math.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{2WMO27RDY6CX62XGCGXFGIEK3C}

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	2026-05-18T02:25:55.626448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d598ed7e23c7857f6ae611ae53208ad89eafceb00c9d7214bab379283c7f7905

Aliases

arxiv: 1412.8449 · arxiv_version: 1412.8449v2 · doi: 10.48550/arxiv.1412.8449 · pith_short_12: 2WMO27RDY6CX · pith_short_16: 2WMO27RDY6CX62XG · pith_short_8: 2WMO27RD

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/2WMO27RDY6CX62XGCGXFGIEK3C \
  | 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: d598ed7e23c7857f6ae611ae53208ad89eafceb00c9d7214bab379283c7f7905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde506b5aac51ca24b74499b29e1be0a6156027b46449f3728c0aa610bbdf277",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-12-29T20:31:04Z",
    "title_canon_sha256": "b8b27b6457171815ffd4c0e5b99822feae174397fe37ba55c65d4bcdcfc59523"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8449",
    "kind": "arxiv",
    "version": 2
  }
}