Pith Number

pith:IZPKUYCO

pith:2026:IZPKUYCOOWM2IFMQIY2XCDX5BN

not attested not anchored not stored refs pending

Auditing and Fixing Economic Validity in Tabular Foundation Models for Discrete Choice

Xian Sun, Yanhang Li, Yingshuo Wang, Zexin Zhuang, Zhichao Fan

arxiv:2605.26559 v1 · 2026-05-26 · cs.LG · cs.AI · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZPKUYCOOWM2IFMQIY2XCDX5BN}

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	2026-05-27T01:05:26.343506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

465eaa604e7599a415904635710efd0b7a1fb22c453fa952a5577a161650f26f

Aliases

arxiv: 2605.26559 · arxiv_version: 2605.26559v1 · doi: 10.48550/arxiv.2605.26559 · pith_short_12: IZPKUYCOOWM2 · pith_short_16: IZPKUYCOOWM2IFMQ · pith_short_8: IZPKUYCO

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/IZPKUYCOOWM2IFMQIY2XCDX5BN \
  | 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: 465eaa604e7599a415904635710efd0b7a1fb22c453fa952a5577a161650f26f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbee0512dab421f608766b14350f45632c7f6b7943d7624cfbdda3b38d5bc24e",
    "cross_cats_sorted": [
      "cs.AI",
      "econ.EM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-26T05:13:20Z",
    "title_canon_sha256": "84cf174bd36e1165c8149e87bf00c5ca6dd4639a1cf53d2a1e164a8a7bf7a151"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26559",
    "kind": "arxiv",
    "version": 1
  }
}