Pith Number

pith:BXTCFPUR

pith:2019:BXTCFPUR2QG5PWBSY23GUNPIOY

not attested not anchored not stored refs pending

Study of Compressed Randomized UTV Decompositions for Low-Rank Matrix Approximations in Data Science

M. Kaloorazi, R. C. de Lamare

arxiv:1906.04572 v1 · 2019-06-08 · cs.DS · 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{BXTCFPUR2QG5PWBSY23GUNPIOY}

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.

Receipt and verification

First computed	2026-05-17T23:43:38.878281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0de622be91d40dd7d832c6b66a35e8761a926963039b3024df1acb07dc19da71

Aliases

arxiv: 1906.04572 · arxiv_version: 1906.04572v1 · doi: 10.48550/arxiv.1906.04572 · pith_short_12: BXTCFPUR2QG5 · pith_short_16: BXTCFPUR2QG5PWBS · pith_short_8: BXTCFPUR

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/BXTCFPUR2QG5PWBSY23GUNPIOY \
  | 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: 0de622be91d40dd7d832c6b66a35e8761a926963039b3024df1acb07dc19da71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5479cfe38297c5d92ba91239b75b2875415bf9489b7be0bc1897aac672c84c8c",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-06-08T02:41:43Z",
    "title_canon_sha256": "3d19ca910f904f5cb45c7c4b9b1c74d8f9559876fea3964b1034b15d0c47bf33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04572",
    "kind": "arxiv",
    "version": 1
  }
}