Pith Number

pith:5BTRCUGS

pith:2012:5BTRCUGSADGS552QO2CZQSJDCE

not attested not anchored not stored refs pending

Parallel implementation of fast randomized algorithms for the decomposition of low rank matrices

Andrew Lucas, John Feo, Mark Stalzer

arxiv:1205.3830 v2 · 2012-05-16 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5BTRCUGSADGS552QO2CZQSJDCE}

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	2026-05-18T02:55:11.580833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8671150d200cd2ef750768598492311053c4f162e1b5a4dc64ca35fc805f041

Aliases

arxiv: 1205.3830 · arxiv_version: 1205.3830v2 · doi: 10.48550/arxiv.1205.3830 · pith_short_12: 5BTRCUGSADGS · pith_short_16: 5BTRCUGSADGS552Q · pith_short_8: 5BTRCUGS

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/5BTRCUGSADGS552QO2CZQSJDCE \
  | 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: e8671150d200cd2ef750768598492311053c4f162e1b5a4dc64ca35fc805f041

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af554e3140a8a4f8a769dc3d98d54f7809ec86cdc29b095f41628bbe235c5613",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2012-05-16T23:41:33Z",
    "title_canon_sha256": "75a37d83e55034f261e9396787f75e7767295af36ec0a9b8e28f03398bb9ffbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3830",
    "kind": "arxiv",
    "version": 2
  }
}