Pith Number

pith:MPA2NLE4

pith:2021:MPA2NLE4YHIWJIGPZO4C3O245X

not attested not anchored not stored refs pending

SQAPlanner: Generating Data-Informed Software Quality Improvement Plans

Chakkrit Tantithamthavorn, Christoph Bergmeir, Dilini Rajapaksha, Jirayus Jiarpakdee, John Grundy, Wray Buntine

arxiv:2102.09687 v2 · 2021-02-19 · cs.SE · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPA2NLE4YHIWJIGPZO4C3O245X}

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	2026-07-05T09:26:06.540203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63c1a6ac9cc1d164a0cfcbb82dbb5cede7835aaaa9476580e16e7a39793ffdb9

Aliases

arxiv: 2102.09687 · arxiv_version: 2102.09687v2 · doi: 10.48550/arxiv.2102.09687 · pith_short_12: MPA2NLE4YHIW · pith_short_16: MPA2NLE4YHIWJIGP · pith_short_8: MPA2NLE4

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/MPA2NLE4YHIWJIGPZO4C3O245X \
  | 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: 63c1a6ac9cc1d164a0cfcbb82dbb5cede7835aaaa9476580e16e7a39793ffdb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "033ed3c250f5bc0c127c4593460918cc95a25dc7dcf99bd4ca6f5813aed72074",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-02-19T00:17:28Z",
    "title_canon_sha256": "974cd237c9a5e5ad17d59007260f84f276c073e05c79ef6f042f4287af831ee6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09687",
    "kind": "arxiv",
    "version": 2
  }
}