Pith Number

pith:2BFKX3KO

pith:2011:2BFKX3KOTHMUL7PESQMNZMWBH2

not attested not anchored not stored refs pending

Optimal weighted nearest neighbour classifiers

Richard J. Samworth

arxiv:1101.5783 v3 · 2011-01-30 · 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{2BFKX3KOTHMUL7PESQMNZMWBH2}

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	2026-05-18T03:33:26.808447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d04aabed4e99d945fde49418dcb2c13ea9216594a29d565b41bae23979d9d2f7

Aliases

arxiv: 1101.5783 · arxiv_version: 1101.5783v3 · doi: 10.48550/arxiv.1101.5783 · pith_short_12: 2BFKX3KOTHMU · pith_short_16: 2BFKX3KOTHMUL7PE · pith_short_8: 2BFKX3KO

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/2BFKX3KOTHMUL7PESQMNZMWBH2 \
  | 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: d04aabed4e99d945fde49418dcb2c13ea9216594a29d565b41bae23979d9d2f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2cdfe47f2ce394547cd1cfac5e9a27a55a3843f2be98166e8412d03593a810f",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-01-30T16:49:41Z",
    "title_canon_sha256": "db4b990feefee35674870986df4e7eeed16077a2067312e8c4cbf8c7698d5316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5783",
    "kind": "arxiv",
    "version": 3
  }
}