Pith Number

pith:P4KPIEXT

pith:2021:P4KPIEXTUDV2VY7CSPVMS7DBUW

not attested not anchored not stored refs pending

A Frequency Perspective of Adversarial Robustness

Abhinav Shrivastava, Max Ehrlich, Ser-Nam Lim, Shishira R Maiya, Tom Goldstein, Vatsal Agarwal

arxiv:2111.00861 v1 · 2021-10-26 · cs.CV · 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{P4KPIEXTUDV2VY7CSPVMS7DBUW}

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	2026-07-05T03:27:50.548982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f14f412f3a0ebaae3e293eac97c61a5b6e1cda617c5458d56693303f9a01b17

Aliases

arxiv: 2111.00861 · arxiv_version: 2111.00861v1 · doi: 10.48550/arxiv.2111.00861 · pith_short_12: P4KPIEXTUDV2 · pith_short_16: P4KPIEXTUDV2VY7C · pith_short_8: P4KPIEXT

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/P4KPIEXTUDV2VY7CSPVMS7DBUW \
  | 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: 7f14f412f3a0ebaae3e293eac97c61a5b6e1cda617c5458d56693303f9a01b17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56f2a5ab86fb2d158227b6d71332d2409d55fd52e287402d490a89fa8f42cd78",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-10-26T19:12:34Z",
    "title_canon_sha256": "2f634e9da43778bbd4c3c4ee5e2ffb4264a0d3ccdd5e04fa2e03349e2a6c9b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.00861",
    "kind": "arxiv",
    "version": 1
  }
}