Pith Number

pith:LWD5BLBT

pith:2025:LWD5BLBTBDLKPWTSBC3LYGJEOJ

not attested not anchored not stored refs pending

Performance Smells in ML and Non-ML Python Projects: A Comparative Study

Cyrine Zid, Foutse Khomh, Fran\c{c}ois Belias, Leuson Da Silva

arxiv:2504.20224 v1 · 2025-04-28 · 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{LWD5BLBTBDLKPWTSBC3LYGJEOJ}

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	2026-07-05T10:55:38.766513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d87d0ac3308d6a7da7208b6bc19247243559eee5f50449c703f345ad50e1f87

Aliases

arxiv: 2504.20224 · arxiv_version: 2504.20224v1 · doi: 10.48550/arxiv.2504.20224 · pith_short_12: LWD5BLBTBDLK · pith_short_16: LWD5BLBTBDLKPWTS · pith_short_8: LWD5BLBT

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/LWD5BLBTBDLKPWTSBC3LYGJEOJ \
  | 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: 5d87d0ac3308d6a7da7208b6bc19247243559eee5f50449c703f345ad50e1f87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47fbe3809a2c102e585765c6c680089ed6e19debdbae7a82e65502bdcfe9f014",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-04-28T19:48:26Z",
    "title_canon_sha256": "7788eea7d4881111bf49e53d4cba8a5c4216449c88c9fa72a99f3fac86249d1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20224",
    "kind": "arxiv",
    "version": 1
  }
}