Pith Number

pith:7UQNMGBP

pith:2024:7UQNMGBPBU4WI2Z2MTC6HILJZA

not attested not anchored not stored refs pending

$M$-QR decomposition and hyperpower iterative methods for computing outer inverses of tensors

Jajati Keshari Sahoo, Krushnachandra Panigrahy, Ratikanta Behera, Yimin Wei

arxiv:2409.07007 v2 · 2024-09-11 · 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{7UQNMGBPBU4WI2Z2MTC6HILJZA}

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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	2026-07-05T11:40:31.398452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd20d6182f0d39646b3a64c5e3a169c8129604743757ee711171641193838a87

Aliases

arxiv: 2409.07007 · arxiv_version: 2409.07007v2 · doi: 10.48550/arxiv.2409.07007 · pith_short_12: 7UQNMGBPBU4W · pith_short_16: 7UQNMGBPBU4WI2Z2 · pith_short_8: 7UQNMGBP

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/7UQNMGBPBU4WI2Z2MTC6HILJZA \
  | 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: fd20d6182f0d39646b3a64c5e3a169c8129604743757ee711171641193838a87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27eab52f12f955f38ce79f3a5fcf455a8f3907a6000b0774f73a3d3b75ecdfb2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-09-11T04:41:15Z",
    "title_canon_sha256": "2c35f315123dde87718f31385d6cbd8e9375e24d3dcef5c3f9109942da0b6741"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.07007",
    "kind": "arxiv",
    "version": 2
  }
}