Pith Number

pith:Z2VRWUIY

pith:2026:Z2VRWUIYO6BKVXEJBNLTJ7QRYD

not attested not anchored not stored refs pending

LATTEArena: An Evaluation Framework for LLM-powered Tabular Feature Engineering (Extended Version)

Ankai Hao, Huan Li, Ke Chen, Lidan Shou

arxiv:2606.09004 v1 · 2026-06-08 · 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{Z2VRWUIYO6BKVXEJBNLTJ7QRYD}

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	2026-06-09T02:07:52.990013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceab1b51187782aadc890b5734fe11c0f2c1dbf6949cafe372405d7d70cf992c

Aliases

arxiv: 2606.09004 · arxiv_version: 2606.09004v1 · doi: 10.48550/arxiv.2606.09004 · pith_short_12: Z2VRWUIYO6BK · pith_short_16: Z2VRWUIYO6BKVXEJ · pith_short_8: Z2VRWUIY

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/Z2VRWUIYO6BKVXEJBNLTJ7QRYD \
  | 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: ceab1b51187782aadc890b5734fe11c0f2c1dbf6949cafe372405d7d70cf992c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a75671fbfc9d84be50fb67a257b78d69839f8f7b3d2af59615a68aa23f8bda56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-08T04:03:54Z",
    "title_canon_sha256": "7b0a1e959a8fb7eeb9b42dc2567ffb68c3f1291be09964ecf78ed3091bc2e438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09004",
    "kind": "arxiv",
    "version": 1
  }
}