Pith Number

pith:ITW53VML

pith:2018:ITW53VMLA3U2CU2W22BNAUQWS5

not attested not anchored not stored refs pending

The Impact of Automated Parameter Optimization on Defect Prediction Models

Ahmed E. Hassan, Chakkrit Tantithamthavorn, Kenichi Matsumoto, Shane McIntosh

arxiv:1801.10270 v1 · 2018-01-31 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITW53VMLA3U2CU2W22BNAUQWS5}

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	2026-05-18T00:24:41.290262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44edddd58b06e9a15356d682d052169752d57306c47a6dbbad5313008fbc187c

Aliases

arxiv: 1801.10270 · arxiv_version: 1801.10270v1 · doi: 10.48550/arxiv.1801.10270 · pith_short_12: ITW53VMLA3U2 · pith_short_16: ITW53VMLA3U2CU2W · pith_short_8: ITW53VML

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/ITW53VMLA3U2CU2W22BNAUQWS5 \
  | 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: 44edddd58b06e9a15356d682d052169752d57306c47a6dbbad5313008fbc187c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3657112639d9bf1664dd92c3bc9d551bb268208b10b4ac38535ab3d7a0f0725f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-01-31T01:41:13Z",
    "title_canon_sha256": "1af97225818325d66aa06e41223474505051017c0380afc4c042489393a5891b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10270",
    "kind": "arxiv",
    "version": 1
  }
}