Pith Number

pith:JC4B7E6L

pith:2022:JC4B7E6L7SRKMPXNXXFKRT44XQ

not attested not anchored not stored refs pending

Planting Undetectable Backdoors in Machine Learning Models

Michael P. Kim, Or Zamir, Shafi Goldwasser, Vinod Vaikuntanathan

arxiv:2204.06974 v2 · 2022-04-14 · cs.LG · 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{JC4B7E6L7SRKMPXNXXFKRT44XQ}

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

2 papers in Pith

Backdoor Channels Hidden in Latent Space: Cryptographic Undetectability in Modern Neural Networks

Receipt and verification

First computed	2026-07-05T09:33:22.769245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48b81f93cbfca2a63eedbdcaa8cf9cbc130edcebe692acbf17e759d7038073d2

Aliases

arxiv: 2204.06974 · arxiv_version: 2204.06974v2 · doi: 10.48550/arxiv.2204.06974 · pith_short_12: JC4B7E6L7SRK · pith_short_16: JC4B7E6L7SRKMPXN · pith_short_8: JC4B7E6L

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/JC4B7E6L7SRKMPXNXXFKRT44XQ \
  | 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: 48b81f93cbfca2a63eedbdcaa8cf9cbc130edcebe692acbf17e759d7038073d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82e8b1ce4e615f6cc6023fba425540dab5a614d34b6da51b7ed420d70e13f749",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-04-14T13:55:21Z",
    "title_canon_sha256": "bdbf653750b695f82699f422d9675af40fa6fcf2ad026c6e6fd97850cc74fdde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.06974",
    "kind": "arxiv",
    "version": 2
  }
}