Pith Number

pith:AAPKDSHY

pith:2021:AAPKDSHYGLNH5NQS256KTMWBNS

not attested not anchored not stored refs pending

SpectralDefense: Detecting Adversarial Attacks on CNNs in the Fourier Domain

Franz-Josef Pfreundt, Janis Keuper, Margret Keuper, Paula Harder

arxiv:2103.03000 v2 · 2021-03-04 · cs.CV · 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{AAPKDSHYGLNH5NQS256KTMWBNS}

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	2026-07-05T02:45:36.884246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

001ea1c8f832da7eb612d77ca9b2c16ca45e9acee9a3f5026759b90ea7ad01db

Aliases

arxiv: 2103.03000 · arxiv_version: 2103.03000v2 · doi: 10.48550/arxiv.2103.03000 · pith_short_12: AAPKDSHYGLNH · pith_short_16: AAPKDSHYGLNH5NQS · pith_short_8: AAPKDSHY

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/AAPKDSHYGLNH5NQS256KTMWBNS \
  | 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: 001ea1c8f832da7eb612d77ca9b2c16ca45e9acee9a3f5026759b90ea7ad01db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dcf82ad0ca90673cc127c6827f0aee198fb560aa3c6172b19ef5e4e368ee451",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-04T12:48:28Z",
    "title_canon_sha256": "c4a6b9132498c230e1b4cabc758facfc304bd19ad76a81d2b30f214b252f0534"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.03000",
    "kind": "arxiv",
    "version": 2
  }
}