Pith Number

pith:7J2RXEKJ

pith:2019:7J2RXEKJVIIZ6G6PMEEFX7TUFV

not attested not anchored not stored refs pending

Towards Cognitive Obfuscation: Impeding Hardware Reverse Engineering Based on Psychological Insights

Carina Wiesen, Christof Paar, Marc Fyrbiak, Max Hoffmann, Nikol Rummel, Nils Albartus, Sebastian Wallat, Steffen Becker

arxiv:1910.00323 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{7J2RXEKJVIIZ6G6PMEEFX7TUFV}

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	2026-07-05T00:08:44.806062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa751b9149aa119f1bcf61085bfe742d469246544c37c8c1fd9d9b342be2d5bd

Aliases

arxiv: 1910.00323 · arxiv_version: 1910.00323v1 · doi: 10.48550/arxiv.1910.00323 · pith_short_12: 7J2RXEKJVIIZ · pith_short_16: 7J2RXEKJVIIZ6G6P · pith_short_8: 7J2RXEKJ

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/7J2RXEKJVIIZ6G6PMEEFX7TUFV \
  | 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: fa751b9149aa119f1bcf61085bfe742d469246544c37c8c1fd9d9b342be2d5bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f3daf625fbbee178781f5161af22b55af760f13d00e117f7a1a7562b1b9f75c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-10-01T11:54:35Z",
    "title_canon_sha256": "79e4087589754f8f19781a15beb94c6afdf54473c9963466ab993334d6414417"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.00323",
    "kind": "arxiv",
    "version": 1
  }
}