Pith Number

pith:7WOG5N4N

pith:2018:7WOG5N4NV5M5EESGX46ZLZ4B77

not attested not anchored not stored refs pending

A Systematic Study of Cross-Project Defect Prediction With Meta-Learning

Adenilso Simao, Emilia Mendes, Faimison Porto, Leandro Minku

arxiv:1802.06025 v2 · 2018-02-16 · 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{7WOG5N4NV5M5EESGX46ZLZ4B77}

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	2026-05-17T23:44:38.306426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd9c6eb78daf59d21246bf3d95e781ffdc89e7f21be3e7468823d0ecefcece3e

Aliases

arxiv: 1802.06025 · arxiv_version: 1802.06025v2 · doi: 10.48550/arxiv.1802.06025 · pith_short_12: 7WOG5N4NV5M5 · pith_short_16: 7WOG5N4NV5M5EESG · pith_short_8: 7WOG5N4N

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/7WOG5N4NV5M5EESGX46ZLZ4B77 \
  | 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: fd9c6eb78daf59d21246bf3d95e781ffdc89e7f21be3e7468823d0ecefcece3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ed7d57d9380ad69eaa8c8d44782918d06bdd85c10fc2370aeffd51366a14109",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-02-16T16:53:23Z",
    "title_canon_sha256": "c6e3da425a11027cac68afc8893fbb3ed61f6f0a2f94457418c2f533ae864301"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06025",
    "kind": "arxiv",
    "version": 2
  }
}