Pith Number

pith:DMKKFKVU

pith:2011:DMKKFKVUWQGD73PIY64B3PLO44

not attested not anchored not stored refs pending

Improving the performance of the ripper in insurance risk classification : A comparitive study using feature selection

Bhekisipho Twala, Mlungisi Duma, Tshilidzi Marwala

arxiv:1108.4551 v1 · 2011-08-23 · cs.LG · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DMKKFKVUWQGD73PIY64B3PLO44}

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	2026-05-18T04:14:54.280917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b14a2aab4b40c3fede8c7b81dbd6ee727c9b2213d7b92bb1f5594b737e529aa

Aliases

arxiv: 1108.4551 · arxiv_version: 1108.4551v1 · doi: 10.48550/arxiv.1108.4551 · pith_short_12: DMKKFKVUWQGD · pith_short_16: DMKKFKVUWQGD73PI · pith_short_8: DMKKFKVU

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/DMKKFKVUWQGD73PIY64B3PLO44 \
  | 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: 1b14a2aab4b40c3fede8c7b81dbd6ee727c9b2213d7b92bb1f5594b737e529aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6630a8599f1644534b7574030ae4e30e425da2cc7bca65385ff45fc0dddabd86",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-08-23T10:52:18Z",
    "title_canon_sha256": "85a430846b81f924a31458ea85d05a64d7993bcc999c7bd7bf22f3969f39d3b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4551",
    "kind": "arxiv",
    "version": 1
  }
}