Pith Number

pith:UEY3VG6R

pith:2015:UEY3VG6RO7AMW7ZNIR7AI6FMDE

not attested not anchored not stored refs pending

Sufficient Forecasting Using Factor Models

Jianqing Fan, Jiawei Yao, Lingzhou Xue

arxiv:1505.07414 v2 · 2015-05-27 · math.ST · stat.ME · stat.ML · 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{UEY3VG6RO7AMW7ZNIR7AI6FMDE}

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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

1 paper in Pith

Fixed-order PCA: Theory for Overestimated Factor Models

Receipt and verification

First computed	2026-05-18T01:23:44.762375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a131ba9bd177c0cb7f2d447e0478ac1904ef1dd7a99d90bdbd101b9843e42f3e

Aliases

arxiv: 1505.07414 · arxiv_version: 1505.07414v2 · doi: 10.48550/arxiv.1505.07414 · pith_short_12: UEY3VG6RO7AM · pith_short_16: UEY3VG6RO7AMW7ZN · pith_short_8: UEY3VG6R

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/UEY3VG6RO7AMW7ZNIR7AI6FMDE \
  | 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: a131ba9bd177c0cb7f2d447e0478ac1904ef1dd7a99d90bdbd101b9843e42f3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21c4f928023b408a350992df27d30a5ab7b17bcaa311824cdb0af72972ef089b",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-05-27T17:46:37Z",
    "title_canon_sha256": "82caf9334eae56083bf7a5c63790b38a7fcc3c7e97cf3855f904d58db914b7f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07414",
    "kind": "arxiv",
    "version": 2
  }
}