Pith Number

pith:BFK5JT4H

pith:2015:BFK5JT4HSCWUEFX5YSJRP7EIPD

not attested not anchored not stored refs pending

DataGrinder: Fast, Accurate, Fully non-Parametric Classification Approach Using 2D Convex Hulls

Mohammad Khabbaz

arxiv:1511.03576 v1 · 2015-11-11 · cs.DB · cs.CG · 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{BFK5JT4HSCWUEFX5YSJRP7EIPD}

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	2026-05-18T01:27:08.693571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0955d4cf8790ad4216fdc49317fc8878ecc4aa93167013f316660a8ae72701a9

Aliases

arxiv: 1511.03576 · arxiv_version: 1511.03576v1 · doi: 10.48550/arxiv.1511.03576 · pith_short_12: BFK5JT4HSCWU · pith_short_16: BFK5JT4HSCWUEFX5 · pith_short_8: BFK5JT4H

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/BFK5JT4HSCWUEFX5YSJRP7EIPD \
  | 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: 0955d4cf8790ad4216fdc49317fc8878ecc4aa93167013f316660a8ae72701a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "375035cc57a83be7e29346de404b3bbcb90a4e67fac948518e8b06d1487966a3",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-11-11T17:06:35Z",
    "title_canon_sha256": "eb75de51d902f3d2f1a6ff97bb5f2a7e870a5369a48d271530e80966d1f84694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03576",
    "kind": "arxiv",
    "version": 1
  }
}