Pith Number

pith:RTCWD4BU

pith:2021:RTCWD4BUPTVW6HNK3TTGS23WPF

not attested not anchored not stored refs pending

On the Distribution of "Simple Stupid Bugs" in Unit Test Files: An Exploratory Study

Anthony Peruma, Christian D. Newman

arxiv:2103.09388 v1 · 2021-03-17 · 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{RTCWD4BUPTVW6HNK3TTGS23WPF}

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	2026-07-05T02:24:03.146750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cc561f0347ceb6f1daadce6696b767951262bdf6359418440ff7f6f9687dd01

Aliases

arxiv: 2103.09388 · arxiv_version: 2103.09388v1 · doi: 10.48550/arxiv.2103.09388 · pith_short_12: RTCWD4BUPTVW · pith_short_16: RTCWD4BUPTVW6HNK · pith_short_8: RTCWD4BU

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/RTCWD4BUPTVW6HNK3TTGS23WPF \
  | 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: 8cc561f0347ceb6f1daadce6696b767951262bdf6359418440ff7f6f9687dd01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "841d2467c182a8e874bf610ba78dc93981b5e2cf8fd7d256c00fd4b4cd0a3ccb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-03-17T01:32:23Z",
    "title_canon_sha256": "b11051445667d892b19c8f973eed98e628b2b26527f081abb1fa0a4324332283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09388",
    "kind": "arxiv",
    "version": 1
  }
}