Pith Number

pith:USVE7HLC

pith:2020:USVE7HLCFF47ACRJPWXDXUKQC4

not attested not anchored not stored refs pending

Convergence Rate Improvement of Richardson and Newton-Schulz Iterations

Alexander Stotsky

arxiv:2008.11480 v1 · 2020-08-26 · math.OC · cs.NA · 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{USVE7HLCFF47ACRJPWXDXUKQC4}

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

Multilook Coherent Imaging: Theoretical Guarantees and Algorithms

Receipt and verification

First computed	2026-07-05T01:30:45.262893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4aa4f9d622979f00a297dae3bd15017158929a7a94a0beb13758afba03b0144

Aliases

arxiv: 2008.11480 · arxiv_version: 2008.11480v1 · doi: 10.48550/arxiv.2008.11480 · pith_short_12: USVE7HLCFF47 · pith_short_16: USVE7HLCFF47ACRJ · pith_short_8: USVE7HLC

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/USVE7HLCFF47ACRJPWXDXUKQC4 \
  | 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: a4aa4f9d622979f00a297dae3bd15017158929a7a94a0beb13758afba03b0144

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b6c9a91cc62536ee5aed51ad280145da2bfa8cf6795808948e161d793cb3645",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-08-26T10:35:10Z",
    "title_canon_sha256": "e070d80b55dbbc86b26061c3fd8db27893e91dd1cf621481314d7cc1d7c3df70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.11480",
    "kind": "arxiv",
    "version": 1
  }
}