Pith Number

pith:RM3JFOUI

pith:2021:RM3JFOUIZ3HEWSTPOSDXNNZ4LB

not attested not anchored not stored refs pending

Students Programming Competitions as an Educational Tool and a Motivational Incentive to Students

Ken Chidlow, Youry Khmelevsky

arxiv:2105.15136 v2 · 2021-05-27 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RM3JFOUIZ3HEWSTPOSDXNNZ4LB}

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.

Cited by

1 paper in Pith

Motivando el uso y aprendizaje de Bash a trav\'es de concursos de programaci\'on

Receipt and verification

First computed	2026-07-05T02:44:59.989589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b3692ba88cece4b4a6f748776b73c58490bebdf88da58675420286ff69e5ed3

Aliases

arxiv: 2105.15136 · arxiv_version: 2105.15136v2 · doi: 10.48550/arxiv.2105.15136 · pith_short_12: RM3JFOUIZ3HE · pith_short_16: RM3JFOUIZ3HEWSTP · pith_short_8: RM3JFOUI

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/RM3JFOUIZ3HEWSTPOSDXNNZ4LB \
  | 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: 8b3692ba88cece4b4a6f748776b73c58490bebdf88da58675420286ff69e5ed3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3300ef9aca4c03b4602532d24621ed217a35f722d08f366948fe2992397e8886",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2021-05-27T04:53:18Z",
    "title_canon_sha256": "8fb2f8c953bdf6f991f4c2560d2fd755613c9912ca7b8ea50bba3089c2dcc6c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.15136",
    "kind": "arxiv",
    "version": 2
  }
}