Pith Number

pith:7CAERO3Q

pith:2015:7CAERO3Q7LILRVD6XUHLPBSZWM

not attested not anchored not stored refs pending

Model Assisted Variable Clustering: Minimax-optimal Recovery and Algorithms

Christophe Giraud, Florentina Bunea, Martin Royer, Nicolas Verzelen, Xi Luo

arxiv:1508.01939 v5 · 2015-08-08 · stat.ME · math.ST · stat.ML · stat.TH

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

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	2026-05-17T23:58:25.332963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f88048bb70fad0b8d47ebd0eb78659b31137ba4efbfcba08217d643df57ae9b8

Aliases

arxiv: 1508.01939 · arxiv_version: 1508.01939v5 · doi: 10.48550/arxiv.1508.01939 · pith_short_12: 7CAERO3Q7LIL · pith_short_16: 7CAERO3Q7LILRVD6 · pith_short_8: 7CAERO3Q

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/7CAERO3Q7LILRVD6XUHLPBSZWM \
  | 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: f88048bb70fad0b8d47ebd0eb78659b31137ba4efbfcba08217d643df57ae9b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c27a88c91b7d0e9d9c5073ceb25fdc70e29e93aceac8923ba576c901189fe153",
    "cross_cats_sorted": [
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-08-08T18:25:16Z",
    "title_canon_sha256": "b80c2353c1ba2a1268423317edd71f4a68bc7dc952a32542efe3a4b3290a7d89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01939",
    "kind": "arxiv",
    "version": 5
  }
}