Pith Number

pith:B2UXEQ5X

pith:2019:B2UXEQ5XN4IMTPBCZD6UL7XNZU

not attested not anchored not stored refs pending

Robust Principal Component Analysis for Compositional Tables

Julie Rendlov\'a, Kamila Fa\v{c}evicov\'a, Karel Hron, Peter Filzmoser

arxiv:1904.05636 v1 · 2019-04-11 · stat.ME · stat.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2UXEQ5XN4IMTPBCZD6UL7XNZU}

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	2026-05-17T23:48:48.893397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ea97243b76f10c9bc22c8fd45feedcd01f8388d6a81f45e51254a1702ceecea

Aliases

arxiv: 1904.05636 · arxiv_version: 1904.05636v1 · doi: 10.48550/arxiv.1904.05636 · pith_short_12: B2UXEQ5XN4IM · pith_short_16: B2UXEQ5XN4IMTPBC · pith_short_8: B2UXEQ5X

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/B2UXEQ5XN4IMTPBCZD6UL7XNZU \
  | 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: 0ea97243b76f10c9bc22c8fd45feedcd01f8388d6a81f45e51254a1702ceecea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08e9c95c2716bca2b86b5fd2cf7c320f027f5dd2bc21e2b40db71c639a9f6f4e",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-04-11T11:30:06Z",
    "title_canon_sha256": "9002b52ab29f1266969ca2d0561a8f801c0dbeed11757a9436fe37f997b2a9bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05636",
    "kind": "arxiv",
    "version": 1
  }
}