Pith Number

pith:QOBGJW5G

pith:2026:QOBGJW5GCJD6J2M6VLICK3P36L

not attested not anchored not stored refs pending

Beyond Problem Solving: UOJ-Bench for Evaluating Code Generation, Hacking, and Repair in Competitive Programming

Alex Gu, Hangrui Zhou, Kaifeng Lyu, Tianle Cai, Tingqiang Xu

arxiv:2606.12864 v1 · 2026-06-11 · cs.SE · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOBGJW5GCJD6J2M6VLICK3P36L}

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

Coding Agents as Test-Suite Auditors: Finding What Official Suites Miss While Approaching What They Catch

Receipt and verification

First computed	2026-06-12T01:08:55.511084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

838264dba61247e4e99eaad0256dfbf2dd8e677dab2fa02401f3e36ab2d34a9c

Aliases

arxiv: 2606.12864 · arxiv_version: 2606.12864v1 · doi: 10.48550/arxiv.2606.12864 · pith_short_12: QOBGJW5GCJD6 · pith_short_16: QOBGJW5GCJD6J2M6 · pith_short_8: QOBGJW5G

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/QOBGJW5GCJD6J2M6VLICK3P36L \
  | 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: 838264dba61247e4e99eaad0256dfbf2dd8e677dab2fa02401f3e36ab2d34a9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cc8b1b258cd07073623b644b12c78e0896b6171ca4117c8432c530fb2020f12",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-11T03:48:18Z",
    "title_canon_sha256": "49190d4ceefdcaf81e9968ad0ace315e25b689a05adbab436c193b242454ab7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12864",
    "kind": "arxiv",
    "version": 1
  }
}