Pith Number

pith:ZVMQJJ2E

pith:2024:ZVMQJJ2E3S7XPV25X6Z2RW7WLJ

not attested not anchored not stored refs pending

Low-rank matrix estimation via nonconvex spectral regularized methods in errors-in-variables matrix regression

Dongya Wu, Xin Li

arxiv:2403.02696 v1 · 2024-03-05 · 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{ZVMQJJ2E3S7XPV25X6Z2RW7WLJ}

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	2026-07-05T07:52:21.056309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd5904a744dcbf77d75dbfb3a8dbf65a5049a78d26fb09e6568b6d1557199d3e

Aliases

arxiv: 2403.02696 · arxiv_version: 2403.02696v1 · doi: 10.48550/arxiv.2403.02696 · pith_short_12: ZVMQJJ2E3S7X · pith_short_16: ZVMQJJ2E3S7XPV25 · pith_short_8: ZVMQJJ2E

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/ZVMQJJ2E3S7XPV25X6Z2RW7WLJ \
  | 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: cd5904a744dcbf77d75dbfb3a8dbf65a5049a78d26fb09e6568b6d1557199d3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccf9d8984073548fb8692d63dbe415c5e63350bdbb190142883f13627d19fed1",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2024-03-05T06:24:05Z",
    "title_canon_sha256": "43322bd49a1a9b0e29eee460ed27a7213c078ba063fd24726499cd0050e488e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.02696",
    "kind": "arxiv",
    "version": 1
  }
}