Pith Number

pith:OKDOIER5

pith:2025:OKDOIER5CP32GYY4UDOESFPNE4

not attested not anchored not stored refs pending

Testing for large-dimensional covariance matrix under differential privacy

Shiwei Sang, Shurong Zheng, Xuehu Zhu, Yicheng Zeng

arxiv:2506.02410 v1 · 2025-06-03 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OKDOIER5CP32GYY4UDOESFPNE4}

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	2026-07-05T11:14:38.270149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7286e4123d13f7a3631ca0dc4915ed2714c71758bf7d2d48f1bfea109acdb603

Aliases

arxiv: 2506.02410 · arxiv_version: 2506.02410v1 · doi: 10.48550/arxiv.2506.02410 · pith_short_12: OKDOIER5CP32 · pith_short_16: OKDOIER5CP32GYY4 · pith_short_8: OKDOIER5

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/OKDOIER5CP32GYY4UDOESFPNE4 \
  | 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: 7286e4123d13f7a3631ca0dc4915ed2714c71758bf7d2d48f1bfea109acdb603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1746cbaa1605239580c8cc76a892c1393d6e3585f96bd03a1e320b4a82c533dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-06-03T03:53:51Z",
    "title_canon_sha256": "ab999da9859ab65f6a0f982202d80f55f75912b8b81e39a2244974580dd45899"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02410",
    "kind": "arxiv",
    "version": 1
  }
}