Pith Number

pith:US3I44TA

pith:2018:US3I44TAGIR5AN3MSALHM7BBXS

not attested not anchored not stored refs pending

Adaptive robust estimation in sparse vector model

Alexandre B. Tsybakov, La\"etitia Comminges, Mohamed Ndaoud, Olivier Collier

arxiv:1802.04230 v4 · 2018-02-12 · 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{US3I44TAGIR5AN3MSALHM7BBXS}

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	2026-07-05T00:45:01.874548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4b68e72603223d0376c9016767c21bca05963e4c6e677da8b1f83b93d01be32

Aliases

arxiv: 1802.04230 · arxiv_version: 1802.04230v4 · doi: 10.48550/arxiv.1802.04230 · pith_short_12: US3I44TAGIR5 · pith_short_16: US3I44TAGIR5AN3M · pith_short_8: US3I44TA

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/US3I44TAGIR5AN3MSALHM7BBXS \
  | 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: a4b68e72603223d0376c9016767c21bca05963e4c6e677da8b1f83b93d01be32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7cd45be2193ba31211d8d9919dcb3caa47eb991a556e682e7fdd8edf4a601ae",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-02-12T18:23:40Z",
    "title_canon_sha256": "dec79858843079d3d21ad80f9ae2f8947fd31480a8095b9164b9f3e0452610b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04230",
    "kind": "arxiv",
    "version": 4
  }
}