Pith Number

pith:A2QIVGZC

pith:2019:A2QIVGZCXJFHVUDW3VLH5VOYKK

not attested not anchored not stored refs pending

CTRL-ALT-LED: Leaking Data from Air-Gapped Computers via Keyboard LEDs

Boris Zadov, Dima Bykhovsky, Mordechai Guri, Yuval Elovici

arxiv:1907.05851 v1 · 2019-07-10 · cs.CR · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2QIVGZCXJFHVUDW3VLH5VOYKK}

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	2026-05-17T23:40:44.194602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06a08a9b22ba4a7ad076dd567ed5d8529062b4e6f386bc34c99b2a2f9ef1f6cd

Aliases

arxiv: 1907.05851 · arxiv_version: 1907.05851v1 · doi: 10.48550/arxiv.1907.05851 · pith_short_12: A2QIVGZCXJFH · pith_short_16: A2QIVGZCXJFHVUDW · pith_short_8: A2QIVGZC

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/A2QIVGZCXJFHVUDW3VLH5VOYKK \
  | 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: 06a08a9b22ba4a7ad076dd567ed5d8529062b4e6f386bc34c99b2a2f9ef1f6cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c96dde734dec4078a04713aee8c7b6b030b22ae6e921afd5d26e05ada4507a9",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-07-10T20:07:56Z",
    "title_canon_sha256": "7345e6ad919756ff673ce27febec155bd112328b4550b91b27ee74a9af0f1b8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05851",
    "kind": "arxiv",
    "version": 1
  }
}