Pith Number

pith:QZNHNSMW

pith:2016:QZNHNSMWTIEJMSG6HGN2KPVLI6

not attested not anchored not stored refs pending

Robust Low-Rank Matrix Estimation

Andreas Elsener, Sara van de Geer

arxiv:1603.09071 v4 · 2016-03-30 · 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{QZNHNSMWTIEJMSG6HGN2KPVLI6}

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	2026-05-18T00:39:47.848167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

865a76c9969a089648de399ba53eab47a68566a88fb0a22a5edc6b8fd4c8986c

Aliases

arxiv: 1603.09071 · arxiv_version: 1603.09071v4 · doi: 10.48550/arxiv.1603.09071 · pith_short_12: QZNHNSMWTIEJ · pith_short_16: QZNHNSMWTIEJMSG6 · pith_short_8: QZNHNSMW

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/QZNHNSMWTIEJMSG6HGN2KPVLI6 \
  | 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: 865a76c9969a089648de399ba53eab47a68566a88fb0a22a5edc6b8fd4c8986c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fa69b9b0aabac429f0ebc984b62b3cf8d4bf4e4c456eb7a5cb9336f67e099d3",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2016-03-30T08:18:00Z",
    "title_canon_sha256": "e70ac1e0402ba7c7e931b79efdbcfac285e96f7bd6b3499d23a279e77a1851aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09071",
    "kind": "arxiv",
    "version": 4
  }
}