Pith Number

pith:QEBTIT5F

pith:2009:QEBTIT5FMVGKJXXIWDY2MZSONR

not attested not anchored not stored refs pending

Estimation of high-dimensional low-rank matrices

Alexandre B. Tsybakov, Angelika Rohde

arxiv:0912.5338 v5 · 2009-12-29 · math.ST · stat.TH

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QEBTIT5FMVGKJXXIWDY2MZSONR}

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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	2026-05-18T04:22:10.321516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8103344fa5654ca4dee8b0f1a6664e6c4197d4bec12b0d4ec48d796ea2d08bfd

Aliases

arxiv: 0912.5338 · arxiv_version: 0912.5338v5 · doi: 10.48550/arxiv.0912.5338 · pith_short_12: QEBTIT5FMVGK · pith_short_16: QEBTIT5FMVGKJXXI · pith_short_8: QEBTIT5F

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/QEBTIT5FMVGKJXXIWDY2MZSONR \
  | 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: 8103344fa5654ca4dee8b0f1a6664e6c4197d4bec12b0d4ec48d796ea2d08bfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4e55999725aa67bcce6c29e1177530437a3ab2807f9d1b940c9cf0cfe3f80d6",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2009-12-29T17:11:08Z",
    "title_canon_sha256": "2f94e2b5116b90f943f968b56dfba58354ede8fca9e0f4229a3b1bd70cb335be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5338",
    "kind": "arxiv",
    "version": 5
  }
}