Pith Number

pith:HDUNP2SB

pith:2026:HDUNP2SBFAKKWZV2NNRRRCTPW6

not attested not anchored not stored refs pending

Testing Covariance Separability in High Dimensions

Marcus Mayrhofer, Tomas Masak, Una Radoji\v{c}i\'c

arxiv:2607.08388 v1 · 2026-07-09 · 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{HDUNP2SBFAKKWZV2NNRRRCTPW6}

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	2026-07-10T01:19:48.768516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38e8d7ea412814ab66ba6b63188a6fb793f8ef0e1ccb8ed8686fc44c898291be

Aliases

arxiv: 2607.08388 · arxiv_version: 2607.08388v1 · doi: 10.48550/arxiv.2607.08388 · pith_short_12: HDUNP2SBFAKK · pith_short_16: HDUNP2SBFAKKWZV2 · pith_short_8: HDUNP2SB

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/HDUNP2SBFAKKWZV2NNRRRCTPW6 \
  | 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: 38e8d7ea412814ab66ba6b63188a6fb793f8ef0e1ccb8ed8686fc44c898291be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f166ea9c1b98811ab22c8040e8d06ba0d28ddbc07909be24646767bb41f1ec8",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-07-09T12:11:37Z",
    "title_canon_sha256": "44941524ce3e949686d725c70de3d4ac60afe41faab927750aa077b2d8304883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08388",
    "kind": "arxiv",
    "version": 1
  }
}