Pith Number

pith:3EPREQAM

pith:2024:3EPREQAMAUCZFFGL4BYAFBHUPL

not attested not anchored not stored refs pending

Clustering MOOC Programming Solutions to Diversify Their Presentation to Students

Anastasiia Birillo, Elizaveta Artser, Hieke Keuning, Maria Tigina, Nikolay Vyahhi, Timofey Bryksin, Yaroslav Golubev

arxiv:2403.19398 v2 · 2024-03-28 · 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{3EPREQAMAUCZFFGL4BYAFBHUPL}

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	2026-07-05T09:19:27.575025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d91f12400c05059294cbe0700284f47ac9fceffb3cbd4a506ffdf82d2a8b9391

Aliases

arxiv: 2403.19398 · arxiv_version: 2403.19398v2 · doi: 10.48550/arxiv.2403.19398 · pith_short_12: 3EPREQAMAUCZ · pith_short_16: 3EPREQAMAUCZFFGL · pith_short_8: 3EPREQAM

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/3EPREQAMAUCZFFGL4BYAFBHUPL \
  | 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: d91f12400c05059294cbe0700284f47ac9fceffb3cbd4a506ffdf82d2a8b9391

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bdd93e381d209a6ed0655c842b352934e691d557607efd9244ec699fa87e5ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2024-03-28T13:18:49Z",
    "title_canon_sha256": "54c3e51b3cbf17909fddf5b92f28df1113d9790bebf40df9cf97dd617b41b016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.19398",
    "kind": "arxiv",
    "version": 2
  }
}