Pith Number

pith:UAYOAODA

pith:2019:UAYOAODAAPS6RB4PWOTWBFWN6L

not attested not anchored not stored refs pending

Improving Change Prediction Models with Code Smell-Related Information

Andrea De Lucia, Andy Zaidman, Fabio Palomba, Filomena Ferrucci, Francesca Arcelli Fontana, Gemma Catolino

arxiv:1905.10889 v1 · 2019-05-26 · 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{UAYOAODAAPS6RB4PWOTWBFWN6L}

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	2026-05-17T23:45:03.501874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a030e0386003e5e8878fb3a76096cdf2f46b5f2355aff7ad5884bad62a0ea9a7

Aliases

arxiv: 1905.10889 · arxiv_version: 1905.10889v1 · doi: 10.48550/arxiv.1905.10889 · pith_short_12: UAYOAODAAPS6 · pith_short_16: UAYOAODAAPS6RB4P · pith_short_8: UAYOAODA

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/UAYOAODAAPS6RB4PWOTWBFWN6L \
  | 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: a030e0386003e5e8878fb3a76096cdf2f46b5f2355aff7ad5884bad62a0ea9a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68389ef594a7b311d06aa4f2fb64c0e09ad3165536fd8e3396190bcd32149a1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-05-26T21:44:29Z",
    "title_canon_sha256": "c8fd4b64c2a71a67d6c2db5f95e0d167964d14416dbcb03e97868ad94bcf58db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10889",
    "kind": "arxiv",
    "version": 1
  }
}