Pith Number

pith:AJTEVITW

pith:2023:AJTEVITWL3DHYOVPO2GIQO7CMY

not attested not anchored not stored refs pending

A Systematic Mapping Study of Code Quality in Education -- with Complete Bibliography

Bastiaan Heeren, Hieke Keuning, Johan Jeuring

arxiv:2304.13451 v1 · 2023-04-26 · 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{AJTEVITWL3DHYOVPO2GIQO7CMY}

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	2026-07-05T06:04:44.151617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02664aa2765ec67c3aaf768c883be2660fc8207cead1fad9f72a1fcc169e5fd7

Aliases

arxiv: 2304.13451 · arxiv_version: 2304.13451v1 · doi: 10.48550/arxiv.2304.13451 · pith_short_12: AJTEVITWL3DH · pith_short_16: AJTEVITWL3DHYOVP · pith_short_8: AJTEVITW

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/AJTEVITWL3DHYOVPO2GIQO7CMY \
  | 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: 02664aa2765ec67c3aaf768c883be2660fc8207cead1fad9f72a1fcc169e5fd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a2a2248d762530c11b4bd39fb542370368258b9cb03dff25378b75b9736ef6e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2023-04-26T11:18:39Z",
    "title_canon_sha256": "989927ca303a11ff26a5751e432b22ce344588de56d2bfde74ef167b683ad8c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.13451",
    "kind": "arxiv",
    "version": 1
  }
}