Pith Number

pith:YUSUOYWT

pith:2024:YUSUOYWTUORE245TDS3LPYVOU3

not attested not anchored not stored refs pending

Estimating Difficulty Levels of Programming Problems with Pre-trained Model

Jun Wang, Wei Zhang, Zhiyuan Wang

arxiv:2406.08828 v1 · 2024-06-13 · 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{YUSUOYWTUORE245TDS3LPYVOU3}

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	2026-07-05T08:31:24.030690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5254762d3a3a24d73b31cb6b7e2aea6f11d47361b96c14353f20df960c3908f

Aliases

arxiv: 2406.08828 · arxiv_version: 2406.08828v1 · doi: 10.48550/arxiv.2406.08828 · pith_short_12: YUSUOYWTUORE · pith_short_16: YUSUOYWTUORE245T · pith_short_8: YUSUOYWT

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/YUSUOYWTUORE245TDS3LPYVOU3 \
  | 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: c5254762d3a3a24d73b31cb6b7e2aea6f11d47361b96c14353f20df960c3908f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9cb808ab5a177136887ac5f4c1c81e042294b4c72a4ba2453e2f72450165af6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2024-06-13T05:38:20Z",
    "title_canon_sha256": "b511f32133c6530ebe621260adf045fc881dac344788d92cfcdb5328d10dadb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.08828",
    "kind": "arxiv",
    "version": 1
  }
}