Pith Number

pith:NSS2AYFK

pith:2021:NSS2AYFKASGD7GEP25TXIKVDOE

not attested not anchored not stored refs pending

CIFS: Improving Adversarial Robustness of CNNs via Channel-wise Importance-based Feature Selection

Gang Niu, Hanshu Yan, Jiashi Feng, Jingfeng Zhang, Masashi Sugiyama, Vincent Y. F. Tan

arxiv:2102.05311 v4 · 2021-02-10 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSS2AYFKASGD7GEP25TXIKVDOE}

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	2026-07-05T03:30:38.515644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ca5a060aa048c3f988fd767742aa3713971840356412899c1bdf26483a35565

Aliases

arxiv: 2102.05311 · arxiv_version: 2102.05311v4 · doi: 10.48550/arxiv.2102.05311 · pith_short_12: NSS2AYFKASGD · pith_short_16: NSS2AYFKASGD7GEP · pith_short_8: NSS2AYFK

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/NSS2AYFKASGD7GEP25TXIKVDOE \
  | 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: 6ca5a060aa048c3f988fd767742aa3713971840356412899c1bdf26483a35565

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d545ead1d4e2a2e3599d3c461e3b6d34c45d0c2852434d363688081a44ffd77e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-10T08:16:43Z",
    "title_canon_sha256": "2d42585bef756170265356832cfb3691806c2bbd37abac06b48d02858fadd2f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05311",
    "kind": "arxiv",
    "version": 4
  }
}