Pith Number

pith:QQW56VU6

pith:2024:QQW56VU6CAE5DQHUD23AHH3Y6Y

not attested not anchored not stored refs pending

Predicting post-release defects with knowledge units (KUs) of programming languages: an empirical study

Ahmed E. Hassan, Gustavo A. Oliva, Md Ahasanuzzaman, Zhen Ming (Jack) Jiang

arxiv:2412.02907 v2 · 2024-12-03 · 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{QQW56VU6CAE5DQHUD23AHH3Y6Y}

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	2026-07-05T10:22:54.235809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

842ddf569e1009d1c0f41eb6039f78f637b72a04d9e0eb4a43f80348152e07d7

Aliases

arxiv: 2412.02907 · arxiv_version: 2412.02907v2 · doi: 10.48550/arxiv.2412.02907 · pith_short_12: QQW56VU6CAE5 · pith_short_16: QQW56VU6CAE5DQHU · pith_short_8: QQW56VU6

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/QQW56VU6CAE5DQHUD23AHH3Y6Y \
  | 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: 842ddf569e1009d1c0f41eb6039f78f637b72a04d9e0eb4a43f80348152e07d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d79bf60c1fc1960ce40692aa66444d5034412b062f288081204e07edc2c53a9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2024-12-03T23:22:06Z",
    "title_canon_sha256": "e5b738ba6e3d4e4974e7f2b14881fcd5187061c1e17909172bd7175cb008a8fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.02907",
    "kind": "arxiv",
    "version": 2
  }
}