Pith Number

pith:6WP7K4CZ

pith:2016:6WP7K4CZNQPAUDXK2K3F2IMJJX

not attested not anchored not stored refs pending

On the penalized maximum likelihood estimation of high-dimensional approximate factor model

Chaoli Yao, Hu Yang, Shaoxin Wang

arxiv:1608.06189 v2 · 2016-08-22 · stat.CO · stat.ME

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6WP7K4CZNQPAUDXK2K3F2IMJJX}

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	2026-05-17T23:56:10.676581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f59ff570596c1e0a0eead2b65d21894de85144918a151ac4722015c1cff196b6

Aliases

arxiv: 1608.06189 · arxiv_version: 1608.06189v2 · doi: 10.48550/arxiv.1608.06189 · pith_short_12: 6WP7K4CZNQPA · pith_short_16: 6WP7K4CZNQPAUDXK · pith_short_8: 6WP7K4CZ

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/6WP7K4CZNQPAUDXK2K3F2IMJJX \
  | 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: f59ff570596c1e0a0eead2b65d21894de85144918a151ac4722015c1cff196b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa683b02a2083ca4ae9b57f9d293935b7c412711c18a625a965637c2ba93b0df",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2016-08-22T15:04:04Z",
    "title_canon_sha256": "539922410a71206163594ef64235bb13c486b70b7b6a189d46d7f7e644df864e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06189",
    "kind": "arxiv",
    "version": 2
  }
}