Pith Number

pith:UL6AZTX2

pith:2021:UL6AZTX25LGGIHBA7XOC4P4WLC

not attested not anchored not stored refs pending

Single Pass Entrywise-Transformed Low Rank Approximation

David P. Woodruff, Jiaxin Wang, Yifei Jiang, Yi Li, Yiming Sun

arxiv:2107.07889 v1 · 2021-07-16 · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UL6AZTX25LGGIHBA7XOC4P4WLC}

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	2026-07-05T02:58:30.239029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2fc0ccefaeacc641c20fddc2e3f96588982fc6177d8d21f79cc5f1521e7b2eb

Aliases

arxiv: 2107.07889 · arxiv_version: 2107.07889v1 · doi: 10.48550/arxiv.2107.07889 · pith_short_12: UL6AZTX25LGG · pith_short_16: UL6AZTX25LGGIHBA · pith_short_8: UL6AZTX2

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/UL6AZTX25LGGIHBA7XOC4P4WLC \
  | 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: a2fc0ccefaeacc641c20fddc2e3f96588982fc6177d8d21f79cc5f1521e7b2eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27e8352ea521a7c6827148525e36afbdfbf9b3b8f83abba3667e894665b07b97",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-07-16T13:22:29Z",
    "title_canon_sha256": "a4cda4797ba553fb6251ef0d685cb2b8781ed6fc6d912bdba0661860ca103d02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07889",
    "kind": "arxiv",
    "version": 1
  }
}