Pith Number

pith:IU6PIQSJ

pith:2023:IU6PIQSJVKL4KTNHXISGTUVPHV

not attested not anchored not stored refs pending

ModelObfuscator: Obfuscating Model Information to Protect Deployed ML-based Systems

Chunyang Chen, Jing Wu, John Grundy, Li Li, Mingyi Zhou, Xiang Gao, Xiao Chen

arxiv:2306.06112 v3 · 2023-06-01 · 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{IU6PIQSJVKL4KTNHXISGTUVPHV}

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	2026-07-05T07:50:50.528884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

453cf44249aa97c54da7ba2469d2af3d771ac9e4be0998ec8096740ce07d0f51

Aliases

arxiv: 2306.06112 · arxiv_version: 2306.06112v3 · doi: 10.48550/arxiv.2306.06112 · pith_short_12: IU6PIQSJVKL4 · pith_short_16: IU6PIQSJVKL4KTNH · pith_short_8: IU6PIQSJ

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/IU6PIQSJVKL4KTNHXISGTUVPHV \
  | 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: 453cf44249aa97c54da7ba2469d2af3d771ac9e4be0998ec8096740ce07d0f51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d89778655722c803f027965d2c026be2c229e37d59299d264dd4c16b3e73f51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2023-06-01T05:24:00Z",
    "title_canon_sha256": "f5575622a86844f3dddc6c822d52d709d500810e2e57f306c6240d44544f38c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.06112",
    "kind": "arxiv",
    "version": 3
  }
}