Pith Number

pith:YSYFI5CY

pith:2017:YSYFI5CY62JSSPKHUBOZICE2FJ

not attested not anchored not stored refs pending

Distributed Estimation of Principal Eigenspaces

Dong Wang, Jianqing Fan, Kaizheng Wang, Ziwei Zhu

arxiv:1702.06488 v4 · 2017-02-21 · 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{YSYFI5CY62JSSPKHUBOZICE2FJ}

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	2026-05-18T00:26:18.366953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b0547458f693293d47a05d94089a2a602978b9403289e2f285dbdcf5bb7ba3

Aliases

arxiv: 1702.06488 · arxiv_version: 1702.06488v4 · doi: 10.48550/arxiv.1702.06488 · pith_short_12: YSYFI5CY62JS · pith_short_16: YSYFI5CY62JSSPKH · pith_short_8: YSYFI5CY

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/YSYFI5CY62JSSPKHUBOZICE2FJ \
  | 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: c4b0547458f693293d47a05d94089a2a602978b9403289e2f285dbdcf5bb7ba3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8b997ad0644300711802d217c7e4acaeea9bd4bec1ca2b7239aded1e1782696",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2017-02-21T17:38:26Z",
    "title_canon_sha256": "97f190dd09016446319d74ba2578367df87425f663e54dbe27c05800355b37a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06488",
    "kind": "arxiv",
    "version": 4
  }
}