Pith Number

pith:7GYIONXR

pith:2019:7GYIONXRMYPAV44GLIMU5GJYN7

not attested not anchored not stored refs pending

A Look at the Dark Side of Hardware Reverse Engineering -- A Case Study

Christof Paar, Marc Fyrbiak, Moritz Schl\"ogel, Sebastian Wallat

arxiv:1910.01519 v1 · 2019-10-01 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GYIONXRMYPAV44GLIMU5GJYN7}

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	2026-07-05T00:09:31.041528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9b08736f1661e0af3865a194e99386fc0753c647eff32d934db830f9e305ff2

Aliases

arxiv: 1910.01519 · arxiv_version: 1910.01519v1 · doi: 10.48550/arxiv.1910.01519 · pith_short_12: 7GYIONXRMYPA · pith_short_16: 7GYIONXRMYPAV44G · pith_short_8: 7GYIONXR

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/7GYIONXRMYPAV44GLIMU5GJYN7 \
  | 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: f9b08736f1661e0af3865a194e99386fc0753c647eff32d934db830f9e305ff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c73a3cc34170d5fb13a2ab46cabb8fd330b6ace03ba694dc5103a42f1c2004cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-10-01T10:11:50Z",
    "title_canon_sha256": "4b59ad47c4972e692f81f854f2c6063f729858da6fa948b4a583fbb92dcbfcf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.01519",
    "kind": "arxiv",
    "version": 1
  }
}