Pith Number

pith:5QTJPPKE

pith:2020:5QTJPPKERPGKQF7UN2BT4OYSKQ

not attested not anchored not stored refs pending

Tensor GMRES and Golub-Kahan Bidiagonalization methods via the Einstein product with applications to image and video processing

A. El Ichi, F.P.A Beik, K. Jbilou, M. El Guide

arxiv:2005.07458 v1 · 2020-05-15 · 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{5QTJPPKERPGKQF7UN2BT4OYSKQ}

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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.

Cited by

1 paper in Pith

Efficient iterative techniques for solving tensor problems with the T-product

Receipt and verification

First computed	2026-07-05T01:03:02.853653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec2697bd448bcca817f46e833e3b12543ce283a88596f761a5b02a62ca4ec9dc

Aliases

arxiv: 2005.07458 · arxiv_version: 2005.07458v1 · doi: 10.48550/arxiv.2005.07458 · pith_short_12: 5QTJPPKERPGK · pith_short_16: 5QTJPPKERPGKQF7U · pith_short_8: 5QTJPPKE

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/5QTJPPKERPGKQF7UN2BT4OYSKQ \
  | 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: ec2697bd448bcca817f46e833e3b12543ce283a88596f761a5b02a62ca4ec9dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff5d1d239ef6432ac802fd5ba84bff03eaf11803439b03a30e4c3c89c3afb520",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-05-15T10:27:30Z",
    "title_canon_sha256": "bf75c73246358ad49e488dbe67245e51062cfa63d405fc4510f2d3876a42a52a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.07458",
    "kind": "arxiv",
    "version": 1
  }
}