Pith Number

pith:T2GHQJW2

pith:2026:T2GHQJW2FM5CU4DWJMSCI32SBI

not attested not anchored not stored refs pending

Understanding Context Sampling in TabPFN on Small Tabular Datasets

Mohammed Abdullah

arxiv:2607.26628 v1 · 2026-07-29 · 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{T2GHQJW2FM5CU4DWJMSCI32SBI}

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	2026-07-30T01:21:37.374354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

9e8c7826da2b3a2a70764b24246f520a3f796b90514b6c169d758d1868a79cbd

Aliases

arxiv: 2607.26628 · arxiv_version: 2607.26628v1 · doi: 10.48550/arxiv.2607.26628 · pith_short_12: T2GHQJW2FM5C · pith_short_16: T2GHQJW2FM5CU4DW · pith_short_8: T2GHQJW2

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/T2GHQJW2FM5CU4DWJMSCI32SBI \
  | 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: 9e8c7826da2b3a2a70764b24246f520a3f796b90514b6c169d758d1868a79cbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6e2e432df8e363c48eda888157c38009d478ea83aaf104f53cf827e692aeaa3",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-29T08:54:45Z",
    "title_canon_sha256": "468db77967d7c6c9e207944b799c64f0cde7cae215f51235e8b190d1aee1556b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26628",
    "kind": "arxiv",
    "version": 1
  }
}