Pith Number

pith:YS36OPKZ

pith:2025:YS36OPKZ5KA7L6XOIFPE347NLQ

not attested not anchored not stored refs pending

Multi-level Certified Defense Against Poisoning Attacks in Offline Reinforcement Learning

Andrew C. Cullen, Benjamin I. P. Rubinstein, Paul Montague, Sarah Erfani, Shijie Liu

arxiv:2505.20621 v1 · 2025-05-27 · cs.LG · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YS36OPKZ5KA7L6XOIFPE347NLQ}

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	2026-07-05T11:10:15.532183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b7e73d59ea81f5faee415e4df3ed5c2c9321e4650c869298c54ae85305a5a2

Aliases

arxiv: 2505.20621 · arxiv_version: 2505.20621v1 · doi: 10.48550/arxiv.2505.20621 · pith_short_12: YS36OPKZ5KA7 · pith_short_16: YS36OPKZ5KA7L6XO · pith_short_8: YS36OPKZ

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/YS36OPKZ5KA7L6XOIFPE347NLQ \
  | 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: c4b7e73d59ea81f5faee415e4df3ed5c2c9321e4650c869298c54ae85305a5a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a524f7108af924e9c5a1a0fb009e2465bdc5855e0bce8442cce22176127470c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-27T01:59:25Z",
    "title_canon_sha256": "72d7edacc1d1634cd35f8d7c0482c9e41b011806777e704d0ec88065a1bc0045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.20621",
    "kind": "arxiv",
    "version": 1
  }
}