Pith Number

pith:X5EILJQ2

pith:2025:X5EILJQ2QJGI3C6NIK4BC5CRKP

not attested not anchored not stored refs pending

Stabilizing Data-Free Model Extraction

Dat-Thinh Nguyen, Kim-Hung Le, Nhien-An Le-Khac

arxiv:2509.11159 v1 · 2025-09-14 · 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{X5EILJQ2QJGI3C6NIK4BC5CRKP}

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	2026-07-05T12:11:34.538163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf4885a61a824c8d8bcd42b811745153e18d19d7508ac6f56dac792a3d89717b

Aliases

arxiv: 2509.11159 · arxiv_version: 2509.11159v1 · doi: 10.48550/arxiv.2509.11159 · pith_short_12: X5EILJQ2QJGI · pith_short_16: X5EILJQ2QJGI3C6N · pith_short_8: X5EILJQ2

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/X5EILJQ2QJGI3C6NIK4BC5CRKP \
  | 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: bf4885a61a824c8d8bcd42b811745153e18d19d7508ac6f56dac792a3d89717b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14fe97fb5a988b913c096ce9c9cc83a42734c551033e3deba6da23dbe880b982",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-14T08:36:56Z",
    "title_canon_sha256": "cc6aea9f6f81b3acc1d10e9f4321ab780fd20eafb7a196ff6d5d290f7ccbc617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.11159",
    "kind": "arxiv",
    "version": 1
  }
}