Pith Number

pith:XK575RTE

pith:2010:XK575RTE5DVQLYT7E72LNUNPJZ

not attested not anchored not stored refs pending

Detection boundary in sparse regression

Alexandre B. Tsybakov (CREST, Nicolas Verzelen (MISTEA), Pma), Yuri I. Ingster (LETI)

arxiv:1009.1706 v1 · 2010-09-09 · 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{XK575RTE5DVQLYT7E72LNUNPJZ}

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	2026-05-18T04:41:05.738914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

babbfec664e8eb05e27f27f4b6d1af4e4a60d4becd142d6bdc18cc5f9eb6101c

Aliases

arxiv: 1009.1706 · arxiv_version: 1009.1706v1 · doi: 10.48550/arxiv.1009.1706 · pith_short_12: XK575RTE5DVQ · pith_short_16: XK575RTE5DVQLYT7 · pith_short_8: XK575RTE

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/XK575RTE5DVQLYT7E72LNUNPJZ \
  | 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: babbfec664e8eb05e27f27f4b6d1af4e4a60d4becd142d6bdc18cc5f9eb6101c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee6267aadbcc0e11fd5d8de5b230960b89a770f70d963a7aae38381ad701e109",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2010-09-09T08:06:30Z",
    "title_canon_sha256": "b13ab83e295cb5f450631869b7d8525edc584d5b866b8cae1a994541eebeb816"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1706",
    "kind": "arxiv",
    "version": 1
  }
}