Pith Number

pith:OA33ZWJ7

pith:2026:OA33ZWJ7XYTR475PBKNDQCWKHH

not attested not anchored not stored refs pending

Is the Last Layer Sufficient for Uncertainty Quantification?

Chris van der Heide, Fred Roosta, Joseph Wilson, Liam Hodgkinson

arxiv:2605.30741 v1 · 2026-05-29 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OA33ZWJ7XYTR475PBKNDQCWKHH}

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	2026-06-01T01:03:13.593957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7037bcd93fbe271e7faf0a9a380aca39ccb18a778ae5f8c4f055fd6264286bab

Aliases

arxiv: 2605.30741 · arxiv_version: 2605.30741v1 · doi: 10.48550/arxiv.2605.30741 · pith_short_12: OA33ZWJ7XYTR · pith_short_16: OA33ZWJ7XYTR475P · pith_short_8: OA33ZWJ7

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/OA33ZWJ7XYTR475PBKNDQCWKHH \
  | 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: 7037bcd93fbe271e7faf0a9a380aca39ccb18a778ae5f8c4f055fd6264286bab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "013a40f86f3aab4d360e966bfbdd41f86db6f03247f6d361327b58b70a5f4b91",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-05-29T02:09:27Z",
    "title_canon_sha256": "ee9a5bb8bab45d7310d119d010cc1fb1426f7213ba8185a5fb27d712eb43b615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30741",
    "kind": "arxiv",
    "version": 1
  }
}