Pith Number

pith:TZUIR6NW

pith:2011:TZUIR6NW7YXCNIX3UGXNHULA4R

not attested not anchored not stored refs pending

Unsupervised K-Nearest Neighbor Regression

Oliver Kramer

arxiv:1107.3600 v2 · 2011-07-19 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TZUIR6NW7YXCNIX3UGXNHULA4R}

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	2026-05-18T04:12:20.653581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e6888f9b6fe2e26a2fba1aed3d160e4770b5e8696267824bca608dadc01dae4

Aliases

arxiv: 1107.3600 · arxiv_version: 1107.3600v2 · doi: 10.48550/arxiv.1107.3600 · pith_short_12: TZUIR6NW7YXC · pith_short_16: TZUIR6NW7YXCNIX3 · pith_short_8: TZUIR6NW

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/TZUIR6NW7YXCNIX3UGXNHULA4R \
  | 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: 9e6888f9b6fe2e26a2fba1aed3d160e4770b5e8696267824bca608dadc01dae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69c3facdbbbe57976f6ec491804d16950d13205cb7da7907b815a1923d6dd575",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2011-07-19T00:48:41Z",
    "title_canon_sha256": "926e4e30711ff7e196613b8ae40092b5c44ffbc3753da2c1bb1ccb9cccf92191"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3600",
    "kind": "arxiv",
    "version": 2
  }
}