Pith Number

pith:LDA7VD4A

pith:2020:LDA7VD4AIS2SULAWMWL5RHLGOV

not attested not anchored not stored refs pending

Securing Digital Systems via Split-Chip Obfuscation

Joseph Sweeney, Lawrence Pileggi, Samuel Pagliarini

arxiv:2005.10083 v1 · 2020-05-20 · 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{LDA7VD4AIS2SULAWMWL5RHLGOV}

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	2026-07-05T01:04:36.789199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58c1fa8f8044b52a2c166597d89d66756b803a0fcb6f4685945201ae3e810072

Aliases

arxiv: 2005.10083 · arxiv_version: 2005.10083v1 · doi: 10.48550/arxiv.2005.10083 · pith_short_12: LDA7VD4AIS2S · pith_short_16: LDA7VD4AIS2SULAW · pith_short_8: LDA7VD4A

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/LDA7VD4AIS2SULAWMWL5RHLGOV \
  | 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: 58c1fa8f8044b52a2c166597d89d66756b803a0fcb6f4685945201ae3e810072

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d2ca9b7c9c34c4498e177b1965be3da50d0f10a17c2693702d1f9d66a7355c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-05-20T14:43:25Z",
    "title_canon_sha256": "bdfd8af33573cb16981f74326ba8cfd48a94d296d4910388272e73ec3c777d67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10083",
    "kind": "arxiv",
    "version": 1
  }
}