Pith Number

pith:A4TWWNFK

pith:2021:A4TWWNFKXEDQVCECQK7I3ARB6A

not attested not anchored not stored refs pending

NTD: Non-Transferability Enabled Backdoor Detection

Alsharif Abuadbba, Anmin Fu, Derek Abbott, Hua Ma, Said F. Al-Sarawi, Yansong Gao, Yifeng Zheng, Yinshan Li, Zhi Zhang

arxiv:2111.11157 v1 · 2021-11-22 · cs.CR · cs.AI · 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{A4TWWNFKXEDQVCECQK7I3ARB6A}

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	2026-07-05T03:34:00.410525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07276b34aab9070a888282be8d8221f005acf1c9985fbecabdac2280c0405639

Aliases

arxiv: 2111.11157 · arxiv_version: 2111.11157v1 · doi: 10.48550/arxiv.2111.11157 · pith_short_12: A4TWWNFKXEDQ · pith_short_16: A4TWWNFKXEDQVCEC · pith_short_8: A4TWWNFK

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/A4TWWNFKXEDQVCECQK7I3ARB6A \
  | 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: 07276b34aab9070a888282be8d8221f005acf1c9985fbecabdac2280c0405639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30057d4c2ebe0e2e16c843e0415781c14466b41b4ee4f7c03bdd863e3b7e112a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-11-22T12:48:19Z",
    "title_canon_sha256": "2ca65097af845963c8c58cc23a2645805a8c9dc45ed4e02cdf3f88acd7c63112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11157",
    "kind": "arxiv",
    "version": 1
  }
}