Pith Number

pith:WQZKKYSO

pith:2026:WQZKKYSOK3Z4MK5GE5DILGN4L2

not attested not anchored not stored refs pending

The Geometry of Last-Layer Model Stealing

Snigdha Chandan Khilar

arxiv:2606.06854 v1 · 2026-06-05 · 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{WQZKKYSOK3Z4MK5GE5DILGN4L2}

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	2026-06-08T01:04:31.928159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b432a5624e56f3c62ba627468599bc5eb60ade572393447b1a756ddb50f35404

Aliases

arxiv: 2606.06854 · arxiv_version: 2606.06854v1 · doi: 10.48550/arxiv.2606.06854 · pith_short_12: WQZKKYSOK3Z4 · pith_short_16: WQZKKYSOK3Z4MK5G · pith_short_8: WQZKKYSO

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/WQZKKYSOK3Z4MK5GE5DILGN4L2 \
  | 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: b432a5624e56f3c62ba627468599bc5eb60ade572393447b1a756ddb50f35404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c79df9363b81d66db9fa0f3206551c53e7544cb504f9b8deb37e90e09babbeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-05T02:57:48Z",
    "title_canon_sha256": "1099dd0935467c8dd7be4e6901c16ba809f0e98b563e6761f4f872b4a2294641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06854",
    "kind": "arxiv",
    "version": 1
  }
}