Pith Number

pith:MO2WW3ZY

pith:2024:MO2WW3ZYQSUHQJPZTSAKDBYYJ5

not attested not anchored not stored refs pending

Anti-patterns in Students' Conditional Statements

Andrew Luxton-Reilly, Etienne Naude, Paul Denny

arxiv:2410.18989 v1 · 2024-10-10 · cs.CY · 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{MO2WW3ZYQSUHQJPZTSAKDBYYJ5}

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	2026-07-05T09:25:49.749997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63b56b6f3884a87825f99c80a187184f5f2bef2699f742b9624dde6a3251674d

Aliases

arxiv: 2410.18989 · arxiv_version: 2410.18989v1 · doi: 10.48550/arxiv.2410.18989 · pith_short_12: MO2WW3ZYQSUH · pith_short_16: MO2WW3ZYQSUHQJPZ · pith_short_8: MO2WW3ZY

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/MO2WW3ZYQSUHQJPZTSAKDBYYJ5 \
  | 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: 63b56b6f3884a87825f99c80a187184f5f2bef2699f742b9624dde6a3251674d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c30402f6768282b0ed862faf0763d516199eacb8fa37647028a709ac56bc6bcc",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2024-10-10T10:12:50Z",
    "title_canon_sha256": "1ebd0dac6754ea1f32015ac0aa776623a9025ea49c0ce30fae82ed21db90f268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.18989",
    "kind": "arxiv",
    "version": 1
  }
}