Pith Number

pith:A647EPAY

pith:2015:A647EPAYYR4KWFMJBC5NOSULVJ

not attested not anchored not stored refs pending

An iterative hard thresholding estimator for low rank matrix recovery with explicit limiting distribution

Alexandra Carpentier, Arlene K. H. Kim

arxiv:1502.04654 v3 · 2015-02-16 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A647EPAYYR4KWFMJBC5NOSULVJ}

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	2026-05-18T01:19:48.603057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07b9f23c18c478ab158908bad74a8baa439a92f7a6a9ac00cff85cba0371b318

Aliases

arxiv: 1502.04654 · arxiv_version: 1502.04654v3 · doi: 10.48550/arxiv.1502.04654 · pith_short_12: A647EPAYYR4K · pith_short_16: A647EPAYYR4KWFMJ · pith_short_8: A647EPAY

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/A647EPAYYR4KWFMJBC5NOSULVJ \
  | 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: 07b9f23c18c478ab158908bad74a8baa439a92f7a6a9ac00cff85cba0371b318

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d714fc093f1ab933030976eac2071099e096961e45686b68db439eac0fc124c",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-02-16T18:17:43Z",
    "title_canon_sha256": "3bb268b302adad4d7f125c3e71420559d76e079bc0337196c00382b21dc4228c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04654",
    "kind": "arxiv",
    "version": 3
  }
}