Pith Number

pith:MOIOB3IL

pith:2026:MOIOB3ILVG7BSULQESLCHCLLGM

not attested not anchored not stored refs pending

Position: Retire the "Positive Backdoor" Label -- Secret Alignment Requires Strict and Systematic Evaluation

Jianwei Li, Jung-Eun Kim

arxiv:2605.28597 v1 · 2026-05-27 · 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{MOIOB3ILVG7BSULQESLCHCLLGM}

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	2026-05-28T02:04:57.381539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6390e0ed0ba9be195170249623896b333c1bf839e8f851566d59b3a51d0cf7b0

Aliases

arxiv: 2605.28597 · arxiv_version: 2605.28597v1 · doi: 10.48550/arxiv.2605.28597 · pith_short_12: MOIOB3ILVG7B · pith_short_16: MOIOB3ILVG7BSULQ · pith_short_8: MOIOB3IL

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/MOIOB3ILVG7BSULQESLCHCLLGM \
  | 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: 6390e0ed0ba9be195170249623896b333c1bf839e8f851566d59b3a51d0cf7b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9525933ff66f799f6e8028e84f6dbe866a6498a8eb50b8d3c3d71057f29d2a74",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-27T15:15:47Z",
    "title_canon_sha256": "c327d1d8f58902b2f91a8344df372c88155f8f3f838e53d353c8ed384e0f462c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28597",
    "kind": "arxiv",
    "version": 1
  }
}