Pith Number

pith:IPDVV6UQ

pith:2025:IPDVV6UQOOQSK7I5R6FEWYBRZL

not attested not anchored not stored refs pending

Evaluating Performance Consistency in Competitive Programming: Educational Implications and Contest Design Insights

Ethan Dickey, Zhongtang Luo

arxiv:2505.04143 v1 · 2025-05-07 · cs.CY · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPDVV6UQOOQSK7I5R6FEWYBRZL}

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	2026-07-05T10:59:37.388446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43c75afa9073a1257d1d8f8a4b6031cae264bd650f58ffad67c5f3995b7d0afd

Aliases

arxiv: 2505.04143 · arxiv_version: 2505.04143v1 · doi: 10.48550/arxiv.2505.04143 · pith_short_12: IPDVV6UQOOQS · pith_short_16: IPDVV6UQOOQSK7I5 · pith_short_8: IPDVV6UQ

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/IPDVV6UQOOQSK7I5R6FEWYBRZL \
  | 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: 43c75afa9073a1257d1d8f8a4b6031cae264bd650f58ffad67c5f3995b7d0afd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4da816e049a092e3a711c3154fdcaa7da579252ddb8f1749f8c7f7d53452e43e",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-05-07T05:48:56Z",
    "title_canon_sha256": "601ae7d2fcca9d017ea8b988ac61c09fc811a615443529d4badfcfae5f2bc548"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04143",
    "kind": "arxiv",
    "version": 1
  }
}