Pith Number

pith:3RT7GVM4

pith:2019:3RT7GVM4KBJ76WVRLWU7DHQH6D

not attested not anchored not stored refs pending

A Modern Approach to IP Protection and Trojan Prevention: Split Manufacturing for 3D ICs and Obfuscation of Vertical Interconnects

Johann Knechtel, Mohammed Ashraf, Ozgur Sinanoglu, Satwik Patnaik

arxiv:1908.03925 v1 · 2019-08-11 · cs.CR · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3RT7GVM4KBJ76WVRLWU7DHQH6D}

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	2026-07-04T23:53:19.366780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc67f3559c5053ff5ab15da9f19e07f0e5bc8723417649b9aa96ab055ae24d96

Aliases

arxiv: 1908.03925 · arxiv_version: 1908.03925v1 · doi: 10.48550/arxiv.1908.03925 · pith_short_12: 3RT7GVM4KBJ7 · pith_short_16: 3RT7GVM4KBJ76WVR · pith_short_8: 3RT7GVM4

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/3RT7GVM4KBJ76WVRLWU7DHQH6D \
  | 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: dc67f3559c5053ff5ab15da9f19e07f0e5bc8723417649b9aa96ab055ae24d96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e11804d512361929d100ed300e0b1f831b6165dc9100beb7d19f9868db3ebcfe",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-08-11T15:45:49Z",
    "title_canon_sha256": "17857a2356f00f8a598232e4ef837b7e5238a25ef60681e7c2654b651b534cad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03925",
    "kind": "arxiv",
    "version": 1
  }
}