Pith Number

pith:PY3GPO7S

pith:2010:PY3GPO7SP46UMSTJKMEB7NTGRB

not attested not anchored not stored refs pending

A Lower Bound on the Estimator Variance for the Sparse Linear Model

Alexander Jung, Franz Hlawatsch, Sebastian Schmutzhard, Yonina C. Eldar, Zvika Ben-Haim

arxiv:1009.3353 v1 · 2010-09-17 · math.ST · cs.IT · math.IT · 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{PY3GPO7SP46UMSTJKMEB7NTGRB}

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	2026-05-18T04:40:45.880636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e3667bbf27f3d464a6953081fb666884531026e94612c081106fb7fc56428f4

Aliases

arxiv: 1009.3353 · arxiv_version: 1009.3353v1 · doi: 10.48550/arxiv.1009.3353 · pith_short_12: PY3GPO7SP46U · pith_short_16: PY3GPO7SP46UMSTJ · pith_short_8: PY3GPO7S

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/PY3GPO7SP46UMSTJKMEB7NTGRB \
  | 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: 7e3667bbf27f3d464a6953081fb666884531026e94612c081106fb7fc56428f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ec0dbf34e709a95c7f5103613224701497134693ad5fa8515cce144ca2ef873",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2010-09-17T07:38:37Z",
    "title_canon_sha256": "5105cb412bba65c1963f339c131724eae8d421c8b933d062ab157a081c9afe7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3353",
    "kind": "arxiv",
    "version": 1
  }
}