Pith Number

pith:L74SOMRY

pith:2019:L74SOMRYJTHRZ572BVW7O44NHN

not attested not anchored not stored refs pending

Physical Design Obfuscation of Hardware: A Comprehensive Investigation of Device- and Logic-Level Techniques

Arunkumar Vijayakumar, Christof Paar, Daniel E. Holcomb, Sandip Kundu, Vinay C. Patil

arxiv:1910.00981 v1 · 2019-10-02 · 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{L74SOMRYJTHRZ572BVW7O44NHN}

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	2026-07-05T00:09:21.152407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ff92732384ccf1cf7fa0d6df7738d3b76b453bbd66bbc6633ca859307939bb4

Aliases

arxiv: 1910.00981 · arxiv_version: 1910.00981v1 · doi: 10.48550/arxiv.1910.00981 · pith_short_12: L74SOMRYJTHR · pith_short_16: L74SOMRYJTHRZ572 · pith_short_8: L74SOMRY

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/L74SOMRYJTHRZ572BVW7O44NHN \
  | 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: 5ff92732384ccf1cf7fa0d6df7738d3b76b453bbd66bbc6633ca859307939bb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3695e3520d76802e676254efe5ba90dae77437e332db7ebae2e3f9a532cccfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-10-02T14:38:56Z",
    "title_canon_sha256": "a66f4ec5bd0fc3952189cd3100ac87d64602190611f5efe9100dcff1ba88c1f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.00981",
    "kind": "arxiv",
    "version": 1
  }
}