Pith Number

pith:R6IEIHST

pith:2026:R6IEIHSTC7CW3CXDWYWQQSUS3C

not attested not anchored not stored refs pending

PyMETA: A Benchmark Dataset for Hierarchical Student Code Error Classification with Python-Interpreter-Based Labels

Chuyue Li, Jingyi Wang, Kazuma Hashimoto, Lingyu Gao, Yu Wu, Ziqi Tang

arxiv:2606.30610 v1 · 2026-06-29 · 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{R6IEIHSTC7CW3CXDWYWQQSUS3C}

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	2026-06-30T02:18:22.567769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f90441e5317c56d8ae3b62d084a92d88fbe4063d37b0704dd295ef2955e330c

Aliases

arxiv: 2606.30610 · arxiv_version: 2606.30610v1 · doi: 10.48550/arxiv.2606.30610 · pith_short_12: R6IEIHSTC7CW · pith_short_16: R6IEIHSTC7CW3CXD · pith_short_8: R6IEIHST

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/R6IEIHSTC7CW3CXDWYWQQSUS3C \
  | 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: 8f90441e5317c56d8ae3b62d084a92d88fbe4063d37b0704dd295ef2955e330c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c37a136e9967ef924138aa15a0336bc8f5c9925d8e55769c3c9e38d5dac6263",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-29T17:45:36Z",
    "title_canon_sha256": "209733249c2f997c1949d52528b964b37505b2cead85d4a1797808c17c4f6843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30610",
    "kind": "arxiv",
    "version": 1
  }
}