Pith Number

pith:DU42IZ6I

pith:2018:DU42IZ6IECCJS7P6JISZDDBV7K

not attested not anchored not stored refs pending

Consistent estimation of high-dimensional factor models when the factor number is over-estimated

Haeran Cho, Matteo Barigozzi

arxiv:1811.00306 v5 · 2018-11-01 · 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{DU42IZ6IECCJS7P6JISZDDBV7K}

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.

Cited by

1 paper in Pith

Learning Latent Factors from Diversified Projections and its Applications to Over-Estimated and Weak Factors

Receipt and verification

First computed	2026-07-05T02:20:51.848043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d39a467c82084997dfe4a25918c35faafa1baece4c7f63f69ba26ab3ba739e4

Aliases

arxiv: 1811.00306 · arxiv_version: 1811.00306v5 · doi: 10.48550/arxiv.1811.00306 · pith_short_12: DU42IZ6IECCJ · pith_short_16: DU42IZ6IECCJS7P6 · pith_short_8: DU42IZ6I

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/DU42IZ6IECCJS7P6JISZDDBV7K \
  | 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: 1d39a467c82084997dfe4a25918c35faafa1baece4c7f63f69ba26ab3ba739e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f09d561234004692c1b3b6ccf5fbb9dffa3f4a294b1d4443e9aff1b7a12e68e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-11-01T10:36:27Z",
    "title_canon_sha256": "c71623fd74a97d27c665f388fd26a81a0a4f5cb53c8144a101417e0bec24344d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00306",
    "kind": "arxiv",
    "version": 5
  }
}