Pith Number

pith:TZIHPWST

pith:2025:TZIHPWSTNJDBE6HGY377ZWZ6VA

not attested not anchored not stored refs pending

Few-Round Distributed Principal Component Analysis: Closing the Statistical Efficiency Gap by Consensus

Wang Zhou, Xinsheng Zhang, Zeyu Li

arxiv:2503.03123 v3 · 2025-03-05 · 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{TZIHPWSTNJDBE6HGY377ZWZ6VA}

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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.

Cited by

1 paper in Pith

Debiased distributed PCA under high dimensional spiked model

Receipt and verification

First computed	2026-07-05T11:28:34.843098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e5077da536a461278e6c6fffcdb3ea81b1ec1d1cd3dd2b41421008cdefcc2bf

Aliases

arxiv: 2503.03123 · arxiv_version: 2503.03123v3 · doi: 10.48550/arxiv.2503.03123 · pith_short_12: TZIHPWSTNJDB · pith_short_16: TZIHPWSTNJDBE6HG · pith_short_8: TZIHPWST

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/TZIHPWSTNJDBE6HGY377ZWZ6VA \
  | 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: 9e5077da536a461278e6c6fffcdb3ea81b1ec1d1cd3dd2b41421008cdefcc2bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dc1a60fde11c5ee173d2b2cc0491610cdd06974f44447ca95f8e0baab5ccb5f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-03-05T02:39:34Z",
    "title_canon_sha256": "5b9f88956557032526a25148fe5cb91fa32a6c305d21084907f56c513aa0c65c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.03123",
    "kind": "arxiv",
    "version": 3
  }
}