Pith Number

pith:Q5Z2LOLA

pith:2026:Q5Z2LOLAFQQB2BRZ3JZVGAO2Y7

not attested not anchored not stored refs pending

Shaping the Prior: How Synthetic Task Distributions Determine Tabular Foundation Model Quality

Aditya Tanna, Mohamed Bouadi, Nassim Bouarour, Shivam Dubey, Varun Kulkarni, Vinay Kumar Sankarapu

arxiv:2605.18971 v1 · 2026-05-18 · cs.LG · 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{Q5Z2LOLAFQQB2BRZ3JZVGAO2Y7}

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	2026-05-20T00:06:39.980523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8773a5b9602c201d0639da735301dac7e29ea167d92e332a2ded16e56a254010

Aliases

arxiv: 2605.18971 · arxiv_version: 2605.18971v1 · doi: 10.48550/arxiv.2605.18971 · pith_short_12: Q5Z2LOLAFQQB · pith_short_16: Q5Z2LOLAFQQB2BRZ · pith_short_8: Q5Z2LOLA

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/Q5Z2LOLAFQQB2BRZ3JZVGAO2Y7 \
  | 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: 8773a5b9602c201d0639da735301dac7e29ea167d92e332a2ded16e56a254010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b593e9bd929f832d7a1ea491e93ebe591b06c3bc80faa96f6a243d9ced0163d1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-18T18:00:45Z",
    "title_canon_sha256": "f1aa8d80115ea256dd350e9e98126fa23e41d8054ae0241c4d2c9d4ddd55e703"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18971",
    "kind": "arxiv",
    "version": 1
  }
}