Pith Number

pith:BZUPMGUW

pith:2020:BZUPMGUW4HYEGCFF5S6F73BCDC

not attested not anchored not stored refs pending

Simpler Proofs for Approximate Factor Models of Large Dimensions

Jushan Bai, Serena Ng

arxiv:2008.00254 v1 · 2020-08-01 · econ.EM · 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{BZUPMGUW4HYEGCFF5S6F73BCDC}

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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

2 papers in Pith

Overfitted high-dimensional matrix factorizations via adaptive spectral shrinkage

Adaptive Kernel Ridge Regression with Linear Structure: Sharp Oracle Inequalities and Minimax Optimality

Receipt and verification

First computed	2026-07-05T01:24:05.975499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e68f61a96e1f04308a5ecbc5fec2218ad26bf0d0f3691d8e721612e00c41749

Aliases

arxiv: 2008.00254 · arxiv_version: 2008.00254v1 · doi: 10.48550/arxiv.2008.00254 · pith_short_12: BZUPMGUW4HYE · pith_short_16: BZUPMGUW4HYEGCFF · pith_short_8: BZUPMGUW

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/BZUPMGUW4HYEGCFF5S6F73BCDC \
  | 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: 0e68f61a96e1f04308a5ecbc5fec2218ad26bf0d0f3691d8e721612e00c41749

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92a6d2061d36a1f6b55fc482aab2242d63cdd03a5373257ecc5f6793e0363a34",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2020-08-01T12:03:46Z",
    "title_canon_sha256": "acaab304fd86c010f970980ee923947a1c0cc43f682b6859b2ebbb44808fb49d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.00254",
    "kind": "arxiv",
    "version": 1
  }
}