Pith Number

pith:WICLBXVZ

pith:2012:WICLBXVZMMRCWHRODDVJKPTTF7

not attested not anchored not stored refs pending

Constrained variable clustering and the best basis problem in functional data analysis

Fabrice Rossi (LTCI), Yves Lechevallier (INRIA Rocquencourt / INRIA Sophia Antipolis)

arxiv:1201.0959 v1 · 2012-01-04 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WICLBXVZMMRCWHRODDVJKPTTF7}

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	2026-05-18T04:05:14.546605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b204b0deb963222b1e2e18ea953e732ffbc6201443363f6c6d038b1fc7a75db7

Aliases

arxiv: 1201.0959 · arxiv_version: 1201.0959v1 · doi: 10.48550/arxiv.1201.0959 · pith_short_12: WICLBXVZMMRC · pith_short_16: WICLBXVZMMRCWHRO · pith_short_8: WICLBXVZ

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/WICLBXVZMMRCWHRODDVJKPTTF7 \
  | 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: b204b0deb963222b1e2e18ea953e732ffbc6201443363f6c6d038b1fc7a75db7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc6b1321e946603c3aca73a7169a73b784c83b58626f38c0fe0a108f34e0f507",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-01-04T18:39:37Z",
    "title_canon_sha256": "00ee493617a5f3e08043074e9fd985b76b38625e96b7ac2ec75da3901ec143b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0959",
    "kind": "arxiv",
    "version": 1
  }
}