pith. sign in
Pith Number

pith:DIZ2ZYFE

pith:2013:DIZ2ZYFENBRCTDWVF74NLWP7X2
not attested not anchored not stored refs pending

Degrees of freedom for combining regression with factor analysis

Natesh S. Pillai, Patrick O. Perry

arxiv:1310.7269 v2 · 2013-10-27 · stat.ME · math.ST · stat.TH

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DIZ2ZYFENBRCTDWVF74NLWP7X2}

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 2026-05-18T01:56:00.061734Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1a33ace0a46862298ed52ff8d5d9ffbe91578aa9fa7033d3dd36fa30b935f2f3

Aliases

arxiv: 1310.7269 · arxiv_version: 1310.7269v2 · doi: 10.48550/arxiv.1310.7269 · pith_short_12: DIZ2ZYFENBRC · pith_short_16: DIZ2ZYFENBRCTDWV · pith_short_8: DIZ2ZYFE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DIZ2ZYFENBRCTDWVF74NLWP7X2 \
  | 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: 1a33ace0a46862298ed52ff8d5d9ffbe91578aa9fa7033d3dd36fa30b935f2f3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f80ca56ffcdfb13f438551eb82a0792ba682370602e4dba7f34e955de4d1668b",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-10-27T23:13:56Z",
    "title_canon_sha256": "9c679ee03b8c4c80b49d680d2733a24efa3aeddcac9d6eb6da6d9809fb4922ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7269",
    "kind": "arxiv",
    "version": 2
  }
}