Pith Number

pith:JBI6RNYT

pith:2015:JBI6RNYTGDCJ4FNHV2ZEQRNBAI

not attested not anchored not stored refs pending

On the eigenvalues of the spatial sign covariance matrix in more than two dimensions

Alexander D\"urre, Daniel Vogel, David E. Tyler

arxiv:1512.02863 v2 · 2015-12-09 · stat.CO · 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{JBI6RNYTGDCJ4FNHV2ZEQRNBAI}

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	2026-05-18T01:18:54.030546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4851e8b71330c49e15a7aeb24845a1021f9f5ceeaaa41d190f7b4513f4aabd0e

Aliases

arxiv: 1512.02863 · arxiv_version: 1512.02863v2 · doi: 10.48550/arxiv.1512.02863 · pith_short_12: JBI6RNYTGDCJ · pith_short_16: JBI6RNYTGDCJ4FNH · pith_short_8: JBI6RNYT

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/JBI6RNYTGDCJ4FNHV2ZEQRNBAI \
  | 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: 4851e8b71330c49e15a7aeb24845a1021f9f5ceeaaa41d190f7b4513f4aabd0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1817b8fd3897c17b3e796c95fd0953f9ec2f942276e1cd04ac390380680dcaff",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2015-12-09T14:14:56Z",
    "title_canon_sha256": "37baa4f64baa42ae744f24e07e57d4e576037f428da410e3876bfcf97aa046f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02863",
    "kind": "arxiv",
    "version": 2
  }
}