Pith Number

pith:JWLH2WK5

pith:2025:JWLH2WK5P54V4RLADODILN43AL

not attested not anchored not stored refs pending

Cryptographic Backdoor for Neural Networks: Boon and Bane

Anh Tu Ngo, Anupam Chattopadhyay, Subhamoy Maitra

arxiv:2509.20714 v2 · 2025-09-25 · cs.CR · 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{JWLH2WK5P54V4RLADODILN43AL}

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.

Cited by

1 paper in Pith

Undetectable Backdoors in Model Parameters: Hiding Sparse Secrets in High Dimensions

Receipt and verification

First computed	2026-06-09T01:04:39.333439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d967d595d7f795e45601b8685b79b02dc180af66d30cbbcc244368e37cb4f70

Aliases

arxiv: 2509.20714 · arxiv_version: 2509.20714v2 · doi: 10.48550/arxiv.2509.20714 · pith_short_12: JWLH2WK5P54V · pith_short_16: JWLH2WK5P54V4RLA · pith_short_8: JWLH2WK5

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/JWLH2WK5P54V4RLADODILN43AL \
  | 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: 4d967d595d7f795e45601b8685b79b02dc180af66d30cbbcc244368e37cb4f70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1db99aef52dbf9caf7becf7919bc9bc528cd41ae9bd1d46241c195615018461e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-09-25T03:27:46Z",
    "title_canon_sha256": "c314960697a1318ddb0369546619032f0602616bb236cb6c16c7a50ead285eca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.20714",
    "kind": "arxiv",
    "version": 2
  }
}