Pith Number

pith:QDZWTDN7

pith:2014:QDZWTDN743K53PO5QPIP5IMTHX

not attested not anchored not stored refs pending

Confidence Areas for Fixed-Effects PCA

Fran\c{c}ois Husson, Julie Josse, Stefan Wager

arxiv:1407.7614 v1 · 2014-07-29 · 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{QDZWTDN743K53PO5QPIP5IMTHX}

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	2026-05-18T02:46:22.210121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f3698dbfe6d5ddbddd83d0fea1933ddc6d70030b94593af1d80652c10e9e5c

Aliases

arxiv: 1407.7614 · arxiv_version: 1407.7614v1 · doi: 10.48550/arxiv.1407.7614 · pith_short_12: QDZWTDN743K5 · pith_short_16: QDZWTDN743K53PO5 · pith_short_8: QDZWTDN7

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/QDZWTDN743K53PO5QPIP5IMTHX \
  | 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: 80f3698dbfe6d5ddbddd83d0fea1933ddc6d70030b94593af1d80652c10e9e5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "125aa02f85fba5be24709683d9d0b0b3ec163573c84f45c625b47451c3046322",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-07-29T01:54:51Z",
    "title_canon_sha256": "0a5ae2fbf4ac5f14ff67c41a8d329b4ca85d193134b314a427592fc6ecfaf94d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7614",
    "kind": "arxiv",
    "version": 1
  }
}