Pith Number

pith:GSL2ISYX

pith:1995:GSL2ISYXEU3HI3ID6WAU5M77S3

not attested not anchored not stored refs pending

A non-parametric and scale-independent method for cluster analysis II: the multivariate case

Armando Pisani

arxiv:astro-ph/9508150 v1 · 1995-08-31 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSL2ISYXEU3HI3ID6WAU5M77S3}

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	2026-05-18T01:40:22.798474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3497a44b172536746d03f5814eb3ff96d56178f69a0f0bcaf87878fdf985988f

Aliases

arxiv: astro-ph/9508150 · arxiv_version: astro-ph/9508150v1 · doi: 10.48550/arxiv.astro-ph/9508150 · pith_short_12: GSL2ISYXEU3H · pith_short_16: GSL2ISYXEU3HI3ID · pith_short_8: GSL2ISYX

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/GSL2ISYXEU3HI3ID6WAU5M77S3 \
  | 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: 3497a44b172536746d03f5814eb3ff96d56178f69a0f0bcaf87878fdf985988f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b78587940533ddc750dfabeb18e8622a1fb0530b67918185a17ab437d38bb93",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-08-31T08:26:23Z",
    "title_canon_sha256": "2c344cb4aef1f375b4ccb33dd68747705a12d444cfffe0cebfa2f4dcf1841b7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9508150",
    "kind": "arxiv",
    "version": 1
  }
}