Pith Number

pith:7ZAEHKWM

pith:2017:7ZAEHKWMDHVGDOJDD4UFQRH4UR

not attested not anchored not stored refs pending

Sparse covariance matrix estimation in high-dimensional deconvolution

Alexandre B. Tsybakov, Denis Belomestny, Mathias Trabs

arxiv:1710.10870 v2 · 2017-10-30 · math.ST · stat.ME · 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{7ZAEHKWMDHVGDOJDD4UFQRH4UR}

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	2026-05-18T00:20:16.613499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe4043aacc19ea61b9231f285844fca463f4af2283e5c43fedb304a631bbafae

Aliases

arxiv: 1710.10870 · arxiv_version: 1710.10870v2 · doi: 10.48550/arxiv.1710.10870 · pith_short_12: 7ZAEHKWMDHVG · pith_short_16: 7ZAEHKWMDHVGDOJD · pith_short_8: 7ZAEHKWM

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/7ZAEHKWMDHVGDOJDD4UFQRH4UR \
  | 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: fe4043aacc19ea61b9231f285844fca463f4af2283e5c43fedb304a631bbafae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dad71881f9e90b41716edade1118e22758839b9c7a918b065f8b3c989968e2a4",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-10-30T11:14:25Z",
    "title_canon_sha256": "c9111da0bda37bdb542cde7e538311ecf225ba5325ac63d3fb9fb0bcc5ab9734"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10870",
    "kind": "arxiv",
    "version": 2
  }
}