Pith Number

pith:V6UE52BQ

pith:2019:V6UE52BQW6IDRJUYQDMMCXIM3E

not attested not anchored not stored refs pending

[Extended version] Rethinking Deep Neural Network Ownership Verification: Embedding Passports to Defeat Ambiguity Attacks

Chee Seng Chan, Kam Woh Ng, Lixin Fan

arxiv:1909.07830 v3 · 2019-09-16 · cs.CR · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6UE52BQW6IDRJUYQDMMCXIM3E}

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	2026-07-05T00:16:36.787461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afa84ee830b79038a69880d8c15d0cd925612f6b85ec7b6836cff690c789342e

Aliases

arxiv: 1909.07830 · arxiv_version: 1909.07830v3 · doi: 10.48550/arxiv.1909.07830 · pith_short_12: V6UE52BQW6ID · pith_short_16: V6UE52BQW6IDRJUY · pith_short_8: V6UE52BQ

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/V6UE52BQW6IDRJUYQDMMCXIM3E \
  | 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: afa84ee830b79038a69880d8c15d0cd925612f6b85ec7b6836cff690c789342e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2bc341bc86c9232227449fe20ab961310cabf432f457cd841688addb706335c",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-09-16T13:48:08Z",
    "title_canon_sha256": "3fe9b5fe52943a6ebef8c2d4ba2dc9a9ed4346c399daa0607eec57cc8231c03d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07830",
    "kind": "arxiv",
    "version": 3
  }
}