Pith Number

pith:QPFGPP2P

pith:2021:QPFGPP2PFUXCOSTIQKYIBS22NW

not attested not anchored not stored refs pending

Randomized regularized extended Kaczmarz algorithms for tensor recovery

Kui Du, Xiao-Hui Sun

arxiv:2112.08566 v1 · 2021-12-16 · math.NA · cs.NA · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPFGPP2PFUXCOSTIQKYIBS22NW}

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.

Cited by

1 paper in Pith

Randomized Kaczmarz methods for t-product tensor linear systems with factorized operators

Receipt and verification

First computed	2026-07-05T03:41:30.506326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ca67bf4f2d2e274a6882b080cb5a6d95145bee27a493cb20320050827886d3

Aliases

arxiv: 2112.08566 · arxiv_version: 2112.08566v1 · doi: 10.48550/arxiv.2112.08566 · pith_short_12: QPFGPP2PFUXC · pith_short_16: QPFGPP2PFUXCOSTI · pith_short_8: QPFGPP2P

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/QPFGPP2PFUXCOSTIQKYIBS22NW \
  | 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: 83ca67bf4f2d2e274a6882b080cb5a6d95145bee27a493cb20320050827886d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bebdb94fccb3c1ef319f66fa482ec86a5b21c9c9e87e1dcadffad8a7b29c2caa",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-12-16T01:59:17Z",
    "title_canon_sha256": "7b29294ed2191966e3d7fb3cb3a450930b18eb0106928de2584cb22c5313162f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.08566",
    "kind": "arxiv",
    "version": 1
  }
}