Pith Number

pith:4RYKAIM3

pith:2021:4RYKAIM3EUPBKDUZV7VROKPBVF

not attested not anchored not stored refs pending

Bad Characters: Imperceptible NLP Attacks

Ilia Shumailov, Nicholas Boucher, Nicolas Papernot, Ross Anderson

arxiv:2106.09898 v2 · 2021-06-18 · cs.CL · cs.CR · 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{4RYKAIM3EUPBKDUZV7VROKPBVF}

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.

Cited by

1 paper in Pith

Trajectory-Level Redirection Attacks on Vision-Language-Action Models

Receipt and verification

First computed	2026-07-05T03:39:59.964989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e470a0219b251e150e99afeb1729e1a96acaeabeace12b659a1777f5502b6aa8

Aliases

arxiv: 2106.09898 · arxiv_version: 2106.09898v2 · doi: 10.48550/arxiv.2106.09898 · pith_short_12: 4RYKAIM3EUPB · pith_short_16: 4RYKAIM3EUPBKDUZ · pith_short_8: 4RYKAIM3

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/4RYKAIM3EUPBKDUZV7VROKPBVF \
  | 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: e470a0219b251e150e99afeb1729e1a96acaeabeace12b659a1777f5502b6aa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2226e6643c9d2acee94a52e4d685995a5c923afd2cad46d0f8a872457bc77597",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-06-18T03:42:56Z",
    "title_canon_sha256": "d42aad650474525061002259f31ad3ccdf4cb30ad04bd4e2d00b7c04a1334e2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09898",
    "kind": "arxiv",
    "version": 2
  }
}