Pith Number

pith:Z2IVFP2F

pith:2015:Z2IVFP2FYSG7CAN7B2HFZUWG4Q

not attested not anchored not stored refs pending

A CLT for an improved subspace estimator with observations of increasing dimensions

Pascal Vallet, Philippe Loubaton, Xavier Mestre

arxiv:1502.02501 v2 · 2015-02-09 · stat.ME · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2IVFP2FYSG7CAN7B2HFZUWG4Q}

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	2026-05-18T01:44:11.374226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce9152bf45c48df101bf0e8e5cd2c6e42f4c2073e943dd2cc0c0cef3a5ac5fc7

Aliases

arxiv: 1502.02501 · arxiv_version: 1502.02501v2 · doi: 10.48550/arxiv.1502.02501 · pith_short_12: Z2IVFP2FYSG7 · pith_short_16: Z2IVFP2FYSG7CAN7 · pith_short_8: Z2IVFP2F

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/Z2IVFP2FYSG7CAN7B2HFZUWG4Q \
  | 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: ce9152bf45c48df101bf0e8e5cd2c6e42f4c2073e943dd2cc0c0cef3a5ac5fc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db47c59095ecd9d9947681d71ab34f32049c56f9fad5ce7b782e4d8795b53833",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-02-09T14:36:29Z",
    "title_canon_sha256": "56c183fd09c082f52b8adaf7cc7505ad4a0e8919e283ed0e5006429ec8d94008"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02501",
    "kind": "arxiv",
    "version": 2
  }
}