Pith Number

pith:YUXRQEUX

pith:2026:YUXRQEUXQK4WZSVFRMMUG6Q5XR

not attested not anchored not stored refs pending

The Platonic Defense: Backdoor Defense for Self-Supervised Encoders in the Era of Large Scale Pre-training

Benlei Cui, Jian Liu, Jie Gui, Minjing Dong, Tuo Chen

arxiv:2606.29451 v1 · 2026-06-28 · cs.CV · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YUXRQEUXQK4WZSVFRMMUG6Q5XR}

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	2026-06-30T01:18:07.062647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c52f18129782b96ccaa58b19437a1dbc67e76808b1817f8e961656ba84e0c5f4

Aliases

arxiv: 2606.29451 · arxiv_version: 2606.29451v1 · doi: 10.48550/arxiv.2606.29451 · pith_short_12: YUXRQEUXQK4W · pith_short_16: YUXRQEUXQK4WZSVF · pith_short_8: YUXRQEUX

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/YUXRQEUXQK4WZSVFRMMUG6Q5XR \
  | 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: c52f18129782b96ccaa58b19437a1dbc67e76808b1817f8e961656ba84e0c5f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b575419470af3fce52b40c673459e8b7247fdc8c0660f7e1dc288b6c4a388b05",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-28T15:16:08Z",
    "title_canon_sha256": "a523af969e2a9bae437ee5da3c41664bcab4e62d4be951d9488efea9412347db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29451",
    "kind": "arxiv",
    "version": 1
  }
}