Pith Number

pith:7FPBHGQI

pith:2021:7FPBHGQIXCJCR3KWAZXHTWZ3YX

not attested not anchored not stored refs pending

Machine Learning Featurizations for AI Hacking of Political Systems

Bruce Schneier, Nathan E Sanders

arxiv:2110.09231 v2 · 2021-10-08 · cs.CY · 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{7FPBHGQIXCJCR3KWAZXHTWZ3YX}

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	2026-07-05T05:46:51.200587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95e139a08b89228ed56066e79db3bc5f9e441a2ab5c5e041643e5cf8fbc25aa

Aliases

arxiv: 2110.09231 · arxiv_version: 2110.09231v2 · doi: 10.48550/arxiv.2110.09231 · pith_short_12: 7FPBHGQIXCJC · pith_short_16: 7FPBHGQIXCJCR3KW · pith_short_8: 7FPBHGQI

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/7FPBHGQIXCJCR3KWAZXHTWZ3YX \
  | 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: f95e139a08b89228ed56066e79db3bc5f9e441a2ab5c5e041643e5cf8fbc25aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43cf2ccac2e7d6884614432dec778cabdc1195d868b48b8d14ca5fa128bfac2c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2021-10-08T16:51:31Z",
    "title_canon_sha256": "d59445d423fe653cb94254ba2f7ce34079ab64d78ba8d490d8f6b7280da2d8a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.09231",
    "kind": "arxiv",
    "version": 2
  }
}