Pith Number

pith:QBA6INX6

pith:2010:QBA6INX6XUEDU7RXCQEIEBWKNR

not attested not anchored not stored refs pending

Spectral clustering based on local linear approximations

Ery Arias-Castro, Gilad Lerman, Guangliang Chen

arxiv:1001.1323 v3 · 2010-01-08 · stat.ML · 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{QBA6INX6XUEDU7RXCQEIEBWKNR}

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	2026-05-18T04:07:29.446017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8041e436febd083a7e3714088206ca6c53232ed32f3fe622f54f06ee26fd82ac

Aliases

arxiv: 1001.1323 · arxiv_version: 1001.1323v3 · doi: 10.48550/arxiv.1001.1323 · pith_short_12: QBA6INX6XUED · pith_short_16: QBA6INX6XUEDU7RX · pith_short_8: QBA6INX6

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/QBA6INX6XUEDU7RXCQEIEBWKNR \
  | 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: 8041e436febd083a7e3714088206ca6c53232ed32f3fe622f54f06ee26fd82ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f18cb29c1d74b66532f895c9550d3aa6a03d93526361540c86e657c64ebb8928",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2010-01-08T17:15:54Z",
    "title_canon_sha256": "e5855197227f9afeca22ad5e3709f5c07bdf52dfd75c501ff601392886f5898e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1323",
    "kind": "arxiv",
    "version": 3
  }
}