Pith Number

pith:SFRY5MDR

pith:2022:SFRY5MDRYMPZFSSRZ4YG6L6Q44

not attested not anchored not stored refs pending

The Perils of Learning From Unlabeled Data: Backdoor Attacks on Semi-supervised Learning

Amir Houmansadr, Lingjuan Lyu, Virat Shejwalkar

arxiv:2211.00453 v1 · 2022-11-01 · 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{SFRY5MDRYMPZFSSRZ4YG6L6Q44}

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	2026-07-05T05:12:22.769132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91638eb071c31f92ca51cf306f2fd0e71415033719e3c7089a44816817603930

Aliases

arxiv: 2211.00453 · arxiv_version: 2211.00453v1 · doi: 10.48550/arxiv.2211.00453 · pith_short_12: SFRY5MDRYMPZ · pith_short_16: SFRY5MDRYMPZFSSR · pith_short_8: SFRY5MDR

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/SFRY5MDRYMPZFSSRZ4YG6L6Q44 \
  | 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: 91638eb071c31f92ca51cf306f2fd0e71415033719e3c7089a44816817603930

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dac27fd8caba19357b7c2330bd6f1f1df6873ab3893b9e84462fe226ccea558",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-11-01T13:34:36Z",
    "title_canon_sha256": "c0c79264ced9c9bf27e766bbbdecafad7e643943945ad9f4c3a076917373d345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.00453",
    "kind": "arxiv",
    "version": 1
  }
}