Pith Number

pith:2KFVCBX5

pith:2020:2KFVCBX55WBSBYIST6HVBVHEXI

not attested not anchored not stored refs pending

BiLO-CPDP: Bi-Level Programming for Automated Model Discovery in Cross-Project Defect Prediction

Kay Chen Tan, Ke Li, Tao Chen, Zilin Xiang

arxiv:2008.13489 v1 · 2020-08-31 · 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{2KFVCBX55WBSBYIST6HVBVHEXI}

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	2026-07-05T01:31:37.947161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d28b5106fded8320e1129f8f50d4e4ba1620867c5012cd14eeb2437e4b21f146

Aliases

arxiv: 2008.13489 · arxiv_version: 2008.13489v1 · doi: 10.48550/arxiv.2008.13489 · pith_short_12: 2KFVCBX55WBS · pith_short_16: 2KFVCBX55WBSBYIS · pith_short_8: 2KFVCBX5

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/2KFVCBX55WBSBYIST6HVBVHEXI \
  | 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: d28b5106fded8320e1129f8f50d4e4ba1620867c5012cd14eeb2437e4b21f146

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdec63959ded4b8315258a7cc2b8f207a90b6e0f97ae95c9ad475e39a88d008a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2020-08-31T11:05:38Z",
    "title_canon_sha256": "e50230c5fcc1a343a17a8af1219e85c187d17041161468834186dfd200d9e8a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13489",
    "kind": "arxiv",
    "version": 1
  }
}