Pith Number

pith:YWFUQRD5

pith:2026:YWFUQRD5K7CIZ5KJ2X2JFE7VPU

not attested not anchored not stored refs pending

Globally aligned Principal Component Analysis for multi-group data

Federico Severino, Hedayat Fathi, Marzia A. Cremona

arxiv:2607.21741 v1 · 2026-07-23 · 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{YWFUQRD5K7CIZ5KJ2X2JFE7VPU}

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	2026-07-27T00:20:18.451442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c58b48447d57c48cf549d5f49293f57d3a72a22a8db6726c0151e7cdbe220bf3

Aliases

arxiv: 2607.21741 · arxiv_version: 2607.21741v1 · doi: 10.48550/arxiv.2607.21741 · pith_short_12: YWFUQRD5K7CI · pith_short_16: YWFUQRD5K7CIZ5KJ · pith_short_8: YWFUQRD5

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/YWFUQRD5K7CIZ5KJ2X2JFE7VPU \
  | 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: c58b48447d57c48cf549d5f49293f57d3a72a22a8db6726c0151e7cdbe220bf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "164b169b7353360c69a5676174170ba03b5ad7866c3d4c697d0c5048606ca5e0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-07-23T18:47:21Z",
    "title_canon_sha256": "c6e3fd7e781e4b3b7ae2bd578c42f4aa6eca0e868f7fe2f6917a7d89927762f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21741",
    "kind": "arxiv",
    "version": 1
  }
}