Pith Number

pith:7HSAI3NN

pith:2019:7HSAI3NNWSL5U3XSNLYNYFMC2K

not attested not anchored not stored refs pending

A Generalized Randomized Rank-Revealing Factorization

Alexander Rusciano, Grey Ballard, Ioana Dumitriu, James Demmel

arxiv:1909.06524 v1 · 2019-09-14 · math.NA · cs.DS · 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{7HSAI3NNWSL5U3XSNLYNYFMC2K}

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

Extending Data to Improve Stability and Error Estimates Using Asymmetric Kansa-like Methods to Solve PDEs

Receipt and verification

First computed	2026-07-05T00:04:46.974795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e4046dadb497da6ef26af0dc1582d2ae42a9a718a46977dc1634a671239258

Aliases

arxiv: 1909.06524 · arxiv_version: 1909.06524v1 · doi: 10.48550/arxiv.1909.06524 · pith_short_12: 7HSAI3NNWSL5 · pith_short_16: 7HSAI3NNWSL5U3XS · pith_short_8: 7HSAI3NN

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/7HSAI3NNWSL5U3XSNLYNYFMC2K \
  | 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: f9e4046dadb497da6ef26af0dc1582d2ae42a9a718a46977dc1634a671239258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "307a3e7930165ff84db19717cae14f36f0ba0c3d67cd43a21d3f99f10fc61f60",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-09-14T03:50:15Z",
    "title_canon_sha256": "60c45ea6856b6f208a6676ea2c7567f576a47b19fac5ffcc0977b24afdaca833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.06524",
    "kind": "arxiv",
    "version": 1
  }
}