Pith Number

pith:I5XGYR2W

pith:2015:I5XGYR2W5NY3RKRWWEIOQA6LFN

not attested not anchored not stored refs pending

Implementing Randomized Matrix Algorithms in Parallel and Distributed Environments

Jiyan Yang, Michael W. Mahoney, Xiangrui Meng

arxiv:1502.03032 v2 · 2015-02-10 · cs.DC · cs.DS · math.NA · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I5XGYR2W5NY3RKRWWEIOQA6LFN}

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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	2026-05-18T01:36:20.084835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

476e6c4756eb71b8aa36b110e803cb2b672e76e062a9be232ed0ef4a861eff45

Aliases

arxiv: 1502.03032 · arxiv_version: 1502.03032v2 · doi: 10.48550/arxiv.1502.03032 · pith_short_12: I5XGYR2W5NY3 · pith_short_16: I5XGYR2W5NY3RKRW · pith_short_8: I5XGYR2W

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/I5XGYR2W5NY3RKRWWEIOQA6LFN \
  | 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: 476e6c4756eb71b8aa36b110e803cb2b672e76e062a9be232ed0ef4a861eff45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2572c066cfc855ba47f62552f60adeff77493ef9676705fd732efd3ed69760d",
    "cross_cats_sorted": [
      "cs.DS",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-02-10T18:38:44Z",
    "title_canon_sha256": "162b060cae0bf82c9d47b7fe9c0f9230d3dac3cf0256e0ff5a0e06a3d4f55295"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03032",
    "kind": "arxiv",
    "version": 2
  }
}