Pith Number

pith:WIZRJKKT

pith:2015:WIZRJKKTN4OQEZKLKMWHASV647

not attested not anchored not stored refs pending

Modularity Component Analysis versus Principal Component Analysis

Carl Meyer, Hansi Jiang

arxiv:1510.05492 v2 · 2015-10-19 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIZRJKKTN4OQEZKLKMWHASV647}

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	2026-05-18T01:17:11.535069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b23314a9536f1d02654b532c704abee7ff87678283a6bd9df6bb0abd250d2da9

Aliases

arxiv: 1510.05492 · arxiv_version: 1510.05492v2 · doi: 10.48550/arxiv.1510.05492 · pith_short_12: WIZRJKKTN4OQ · pith_short_16: WIZRJKKTN4OQEZKL · pith_short_8: WIZRJKKT

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/WIZRJKKTN4OQEZKLKMWHASV647 \
  | 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: b23314a9536f1d02654b532c704abee7ff87678283a6bd9df6bb0abd250d2da9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fae5d696d67cc04ff22af6b83ca8cc557e6a4466c538177c7aa08a2dda19e99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-10-19T14:27:10Z",
    "title_canon_sha256": "8736896bfeaad43817a79490660f8aa048ed86c8fffc55ad2d0da0043ef97685"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05492",
    "kind": "arxiv",
    "version": 2
  }
}