Pith Number

pith:WCX5PUUB

pith:2009:WCX5PUUBHLN23WGYXUN5A2MPRM

not attested not anchored not stored refs pending

A Generalization of the 2D-DSPM for Solving Linear System of Equations

Davod Khojasteh Salkuyeh

arxiv:0906.1798 v1 · 2009-06-09 · 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{WCX5PUUBHLN23WGYXUN5A2MPRM}

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	2026-06-03T23:06:26.972650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0afd7d2813adbadd8d8bd1bd0698f8b16599d57c3908c29e475f39df9695cb3

Aliases

arxiv: 0906.1798 · arxiv_version: 0906.1798v1 · doi: 10.48550/arxiv.0906.1798 · pith_short_12: WCX5PUUBHLN2 · pith_short_16: WCX5PUUBHLN23WGY · pith_short_8: WCX5PUUB

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/WCX5PUUBHLN23WGYXUN5A2MPRM \
  | 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: b0afd7d2813adbadd8d8bd1bd0698f8b16599d57c3908c29e475f39df9695cb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f88db1c84f4c50207475fe7877667b3748c784bdc5e8294bb17861db78562ca4",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-06-09T18:12:40Z",
    "title_canon_sha256": "0c2f7280e2398813dd43d6c25cc59e0801fa4e4ff70cd8fbea157eb403cf1161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1798",
    "kind": "arxiv",
    "version": 1
  }
}