Pith Number

pith:C2LE7YUO

pith:2026:C2LE7YUOTCAGROUBFXNYV3B2UU

not attested not anchored not stored refs pending

TRACER: A Semantic-Aware Framework for Fine-Grained Contamination Detection in Code LLMs

Tianyi Zhang, Xuliang Huang, Yifeng Di

arxiv:2605.24079 v1 · 2026-05-22 · cs.SE · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2LE7YUOTCAGROUBFXNYV3B2UU}

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	2026-05-26T01:02:44.219646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16964fe28e988068ba812ddb8aec3aa53fc0a93ebdd14fe06d1524826eb112df

Aliases

arxiv: 2605.24079 · arxiv_version: 2605.24079v1 · doi: 10.48550/arxiv.2605.24079 · pith_short_12: C2LE7YUOTCAG · pith_short_16: C2LE7YUOTCAGROUB · pith_short_8: C2LE7YUO

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/C2LE7YUOTCAGROUBFXNYV3B2UU \
  | 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: 16964fe28e988068ba812ddb8aec3aa53fc0a93ebdd14fe06d1524826eb112df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e57601efcaa68b31090daf1a1258a0eb49e84b461d3303b42cb943e15fb31e29",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-05-22T17:30:20Z",
    "title_canon_sha256": "8b962a62bb59fdabaae333319aeaa6fd1f37a078719ad55f6aa1796efe18d78c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24079",
    "kind": "arxiv",
    "version": 1
  }
}