Pith Number

pith:XD5YC3JC

pith:2018:XD5YC3JCE3SHYEFU2MZCQSOA7N

not attested not anchored not stored refs pending

Dissection of a Bug Dataset: Anatomy of 395 Patches from Defects4J

Fernanda Madeiral, Marcelo A. Maia, Martin Monperrus, Thomas Durieux, Victor Sobreira

arxiv:1801.06393 v3 · 2018-01-19 · 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{XD5YC3JCE3SHYEFU2MZCQSOA7N}

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	2026-07-05T03:30:49.026510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8fb816d2226e47c10b4d3322849c0fb7602ad22aaa02e1693b56629e3a8fb13

Aliases

arxiv: 1801.06393 · arxiv_version: 1801.06393v3 · doi: 10.48550/arxiv.1801.06393 · pith_short_12: XD5YC3JCE3SH · pith_short_16: XD5YC3JCE3SHYEFU · pith_short_8: XD5YC3JC

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/XD5YC3JCE3SHYEFU2MZCQSOA7N \
  | 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: b8fb816d2226e47c10b4d3322849c0fb7602ad22aaa02e1693b56629e3a8fb13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1eac521578286d228d161e53133ef3e0527354c74aa391858a4beb7764816a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-01-19T13:15:01Z",
    "title_canon_sha256": "9070bfd325e53cee9d7a61c084e4ee8d5b13fb4b43a31ba6255c81327e736b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06393",
    "kind": "arxiv",
    "version": 3
  }
}