Pith Number

pith:TAT4UUMR

pith:2026:TAT4UUMRG4NLJVNLESMRIIM5W4

not attested not anchored not stored refs pending

SmellBench: Towards Fine-Grained Evaluation of Code Agents on Refactoring Tasks

BinBin Hu, Fake Lin, Jun Zhou, Tong Xu, Xi Zhu, Zhiqiang Zhang, Zhi Zheng, Ziqi Liu, Ziwei Zhao

arxiv:2606.05574 v1 · 2026-06-04 · 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{TAT4UUMRG4NLJVNLESMRIIM5W4}

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	2026-06-05T01:14:55.324009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9827ca5191371ab4d5ab249914219db71780f186810181703ade85bd7047a2dc

Aliases

arxiv: 2606.05574 · arxiv_version: 2606.05574v1 · doi: 10.48550/arxiv.2606.05574 · pith_short_12: TAT4UUMRG4NL · pith_short_16: TAT4UUMRG4NLJVNL · pith_short_8: TAT4UUMR

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/TAT4UUMRG4NLJVNLESMRIIM5W4 \
  | 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: 9827ca5191371ab4d5ab249914219db71780f186810181703ade85bd7047a2dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49b2c8c73669007481167fd29bb3a4a8bd8f4668bf9ae90e789b23f01bcd17df",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-04T01:49:07Z",
    "title_canon_sha256": "245ca3bf3baf1707f71095e2149601e92cd4561d605fab6b935617f69bfe3b1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05574",
    "kind": "arxiv",
    "version": 1
  }
}