Pith Number

pith:AHKVIWRY

pith:2025:AHKVIWRYHRBICA6SLXSWXZC52F

not attested not anchored not stored refs pending

What exactly has TabPFN learned to do?

Calvin McCarter

arxiv:2502.08978 v1 · 2025-02-13 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AHKVIWRYHRBICA6SLXSWXZC52F}

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	2026-07-05T10:13:50.686193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01d5545a383c428103d25de56be45dd178391e243bc1847ca606f5cfe0586e45

Aliases

arxiv: 2502.08978 · arxiv_version: 2502.08978v1 · doi: 10.48550/arxiv.2502.08978 · pith_short_12: AHKVIWRYHRBI · pith_short_16: AHKVIWRYHRBICA6S · pith_short_8: AHKVIWRY

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/AHKVIWRYHRBICA6SLXSWXZC52F \
  | 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: 01d5545a383c428103d25de56be45dd178391e243bc1847ca606f5cfe0586e45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a97e4ce5d33dc8b3b1363a70fa50ede093a173ea1abbad408c032915aea1ba4",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-13T05:28:29Z",
    "title_canon_sha256": "b0633c24e06fa8fcec510d4bd2db08c99a68aa23c5dd1848e1faa9c77754bec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.08978",
    "kind": "arxiv",
    "version": 1
  }
}