Pith Number

pith:4ZDXXANP

pith:2025:4ZDXXANPAKYBBSKM2N64HZY4IS

not attested not anchored not stored refs pending

Filter, Obstruct and Dilute: Defending Against Backdoor Attacks on Semi-Supervised Learning

Chuanxing Geng, Shao-Yuan Li, Songcan Chen, Wenhai Wan, Xinrui Wang

arxiv:2502.05755 v1 · 2025-02-09 · 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{4ZDXXANPAKYBBSKM2N64HZY4IS}

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	2026-07-05T10:11:42.891039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6477b81af02b010c94cd37dc3e71c449c68cabc9f79bfe13f0e9109cc443e7e

Aliases

arxiv: 2502.05755 · arxiv_version: 2502.05755v1 · doi: 10.48550/arxiv.2502.05755 · pith_short_12: 4ZDXXANPAKYB · pith_short_16: 4ZDXXANPAKYBBSKM · pith_short_8: 4ZDXXANP

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/4ZDXXANPAKYBBSKM2N64HZY4IS \
  | 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: e6477b81af02b010c94cd37dc3e71c449c68cabc9f79bfe13f0e9109cc443e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1780707a862e73cdf79b6ea4fb22202408e4db344b3ff729c0ee6f8be125b6e1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-09T03:22:15Z",
    "title_canon_sha256": "7c9cf375a30ed1ce0f5413a503b19db52186072d4ffe2904aca4a69bf6a1f242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05755",
    "kind": "arxiv",
    "version": 1
  }
}