Pith Number

pith:UDTVNLX6

pith:2025:UDTVNLX64HKHUIKV7DYTP7SLCP

not attested not anchored not stored refs pending

Debiased distributed PCA under high dimensional spiked model

Junpeng Zhu, Siyu Wang, Weiming Li, Yanqing Yin, Zeng Li

arxiv:2505.22015 v1 · 2025-05-28 · 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{UDTVNLX64HKHUIKV7DYTP7SLCP}

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	2026-07-05T11:11:08.197815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0e756aefee1d47a2155f8f137fe4b13ec9e91593b5494ea73fa926cc68a89f5

Aliases

arxiv: 2505.22015 · arxiv_version: 2505.22015v1 · doi: 10.48550/arxiv.2505.22015 · pith_short_12: UDTVNLX64HKH · pith_short_16: UDTVNLX64HKHUIKV · pith_short_8: UDTVNLX6

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/UDTVNLX64HKHUIKV7DYTP7SLCP \
  | 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: a0e756aefee1d47a2155f8f137fe4b13ec9e91593b5494ea73fa926cc68a89f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b626324e1f6f3512190049584ead2d8483ded1a6f90903d126dcb4d965d3b0be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-05-28T06:23:33Z",
    "title_canon_sha256": "838e70255b28805654b6a10de080fd05b2ee2b111b9571b2f0344af4a7f774a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22015",
    "kind": "arxiv",
    "version": 1
  }
}