Pith Number

pith:O55KTVWH

pith:2026:O55KTVWHILRCBWGG6JGWS5SVDB

not attested not anchored not stored refs pending

Hybrid principal component analysis in multivariate allometric regression

Koji Tsukuda, Shun Matsuura

arxiv:2606.30994 v1 · 2026-06-30 · 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{O55KTVWHILRCBWGG6JGWS5SVDB}

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	2026-07-01T00:17:23.723271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

777aa9d6c742e220d8c6f24d697655184a8c825f7aa15117a34ce63df35df000

Aliases

arxiv: 2606.30994 · arxiv_version: 2606.30994v1 · doi: 10.48550/arxiv.2606.30994 · pith_short_12: O55KTVWHILRC · pith_short_16: O55KTVWHILRCBWGG · pith_short_8: O55KTVWH

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/O55KTVWHILRCBWGG6JGWS5SVDB \
  | 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: 777aa9d6c742e220d8c6f24d697655184a8c825f7aa15117a34ce63df35df000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc9d48c15f191dcc99554ce1b851ec479dacccec22f30a470042eaf5462b036",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-30T00:14:00Z",
    "title_canon_sha256": "b57089e3b4fa5b9c265ce8dbd5c6c3d106cb3a9745010ae44ac005738a2e513e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30994",
    "kind": "arxiv",
    "version": 1
  }
}