Pith Number

pith:ERW7PYVD

pith:2015:ERW7PYVDRV2KKBX6J2D6NLRTCH

not attested not anchored not stored refs pending

RSVDPACK: An implementation of randomized algorithms for computing the singular value, interpolative, and CUR decompositions of matrices on multi-core and GPU architectures

Per-Gunnar Martinsson, Sergey Voronin

arxiv:1502.05366 v3 · 2015-02-18 · math.NA · cs.MS

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERW7PYVDRV2KKBX6J2D6NLRTCH}

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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	2026-05-18T01:07:49.104704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

246df7e2a38d74a506fe4e87e6ae3311cf428baabff5496f6f0bc5b51f44bc68

Aliases

arxiv: 1502.05366 · arxiv_version: 1502.05366v3 · doi: 10.48550/arxiv.1502.05366 · pith_short_12: ERW7PYVDRV2K · pith_short_16: ERW7PYVDRV2KKBX6 · pith_short_8: ERW7PYVD

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/ERW7PYVDRV2KKBX6J2D6NLRTCH \
  | 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: 246df7e2a38d74a506fe4e87e6ae3311cf428baabff5496f6f0bc5b51f44bc68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9ff5cb2c97b4299e8d682161da8ca21092f0398f3dcd8e815f153a88f4b59f5",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-02-18T20:13:26Z",
    "title_canon_sha256": "2ce99d6c15da5561a2910feb6a52a5839007befd4a0b38b86ced68f57bb19373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05366",
    "kind": "arxiv",
    "version": 3
  }
}