Pith Number

pith:NMQSYRPL

pith:2026:NMQSYRPL7AV4A4CA2BZQNSQYYX

not attested not anchored not stored refs pending

Weighted Nuclear Elastic Net Estimation of (Near-) Low-Rank Drift Matrices in Ornstein-Uhlenbeck Processes

Dmytro Marushkevych, Francisco Pina, Mark Podolskij

arxiv:2608.12838 v1 · 2026-08-13 · 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{NMQSYRPL7AV4A4CA2BZQNSQYYX}

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	2026-08-14T00:49:00.135569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b212c45ebf82bc07040d07306ca18c5db089eb440941f9f83684b9ec9d09acc

Aliases

arxiv: 2608.12838 · arxiv_version: 2608.12838v1 · doi: 10.48550/arxiv.2608.12838 · pith_short_12: NMQSYRPL7AV4 · pith_short_16: NMQSYRPL7AV4A4CA · pith_short_8: NMQSYRPL

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/NMQSYRPL7AV4A4CA2BZQNSQYYX \
  | 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: 6b212c45ebf82bc07040d07306ca18c5db089eb440941f9f83684b9ec9d09acc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "746247e4fe7bdb6f5d7c8888371e42c7a53f3d48be12e47d9f1d20be9d1ecec6",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2026-08-13T05:20:16Z",
    "title_canon_sha256": "1123ac07a14a18e39f92def3f2bb0cad8320ce26e3f208e9fabf356790222b9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.12838",
    "kind": "arxiv",
    "version": 1
  }
}