Pith Number

pith:64YT5C2K

pith:2014:64YT5C2KB3M7Y64ISHJDGFXMEV

not attested not anchored not stored refs pending

Smoothed Low Rank and Sparse Matrix Recovery by Iteratively Reweighted Least Squares Minimization

Canyi Lu, Shuicheng Yan, Zhouchen Lin

arxiv:1401.7413 v2 · 2014-01-29 · cs.LG · cs.CV · 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{64YT5C2KB3M7Y64ISHJDGFXMEV}

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	2026-05-18T01:45:11.369067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7313e8b4a0ed9fc7b8891d23316ec25760845c5d8ff53cc7f3f8ff422d9b0d5

Aliases

arxiv: 1401.7413 · arxiv_version: 1401.7413v2 · doi: 10.48550/arxiv.1401.7413 · pith_short_12: 64YT5C2KB3M7 · pith_short_16: 64YT5C2KB3M7Y64I · pith_short_8: 64YT5C2K

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/64YT5C2KB3M7Y64ISHJDGFXMEV \
  | 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: f7313e8b4a0ed9fc7b8891d23316ec25760845c5d8ff53cc7f3f8ff422d9b0d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e1862b52db81d35148b4a88e3faf18798a11f2f2b3b348e3614295657df684a",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-01-29T05:16:52Z",
    "title_canon_sha256": "bfb0c3b7dd294ed6ea068c093df5a5d3b85bcbffd27fff85d914e1359487455d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7413",
    "kind": "arxiv",
    "version": 2
  }
}