Pith Number

pith:RURPTHQN

pith:2021:RURPTHQNFDKTW2AEL6LQWNTPYE

not attested not anchored not stored refs pending

Watch out for Extrinsic Bugs! A Case Study of their Impact in Just-In-Time Bug Prediction Models on the OpenStack project

Gema Rodriguez-Perez, Gregorio Robles, Meiyappan Nagappan

arxiv:2103.15180 v1 · 2021-03-28 · 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{RURPTHQNFDKTW2AEL6LQWNTPYE}

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	2026-07-05T02:27:03.333664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d22f99e0d28d53b68045f970b366fc1330d159e363a60cc6a3c82fae1d11085

Aliases

arxiv: 2103.15180 · arxiv_version: 2103.15180v1 · doi: 10.48550/arxiv.2103.15180 · pith_short_12: RURPTHQNFDKT · pith_short_16: RURPTHQNFDKTW2AE · pith_short_8: RURPTHQN

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/RURPTHQNFDKTW2AEL6LQWNTPYE \
  | 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: 8d22f99e0d28d53b68045f970b366fc1330d159e363a60cc6a3c82fae1d11085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2defdc3d98a63d964d798d1cf5d77973e74cbb3e45886c007b4029d6c5d4869b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-03-28T17:37:34Z",
    "title_canon_sha256": "b1a77b474b304c469e683d99851864fd2633877b5ebcd19cbc92dcad5b754d3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.15180",
    "kind": "arxiv",
    "version": 1
  }
}