Pith Number

pith:OKAWOJMH

pith:2017:OKAWOJMHSMDWTR3HGJJSDTY2U7

not attested not anchored not stored refs pending

Why are Big Data Matrices Approximately Low Rank?

Alex Townsend, Madeleine Udell

arxiv:1705.07474 v2 · 2017-05-21 · cs.LG · 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{OKAWOJMHSMDWTR3HGJJSDTY2U7}

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.

Cited by

1 paper in Pith

Unlearning with Asymmetric Sources: Improved Unlearning-Utility Trade-off with Public Data

Receipt and verification

First computed	2026-05-18T00:14:41.190183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7281672587930769c767325321cf1aa7f4fe965fa37e204eb1a6ee32cdf2f93d

Aliases

arxiv: 1705.07474 · arxiv_version: 1705.07474v2 · doi: 10.48550/arxiv.1705.07474 · pith_short_12: OKAWOJMHSMDW · pith_short_16: OKAWOJMHSMDWTR3H · pith_short_8: OKAWOJMH

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/OKAWOJMHSMDWTR3HGJJSDTY2U7 \
  | 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: 7281672587930769c767325321cf1aa7f4fe965fa37e204eb1a6ee32cdf2f93d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29c960a096834968039225fa3f51f1ae4f8c43e302abaccbff1633894972f921",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-05-21T16:49:36Z",
    "title_canon_sha256": "26f781f7e63aa7940c63d88a5bbee2033a49e5f07e1c49e3f509a31d8c9ed6f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07474",
    "kind": "arxiv",
    "version": 2
  }
}