Pith Number

pith:RYQ2LIT6

pith:2025:RYQ2LIT6GYI5C3PKKDXIK5FYBA

not attested not anchored not stored refs pending

Probe before You Talk: Towards Black-box Defense against Backdoor Unalignment for Large Language Models

Biao Yi, Sishuo Chen, Tiansheng Huang, Tong Li, Yiming Li, Zheli Liu, Zhixuan Chu

arxiv:2506.16447 v1 · 2025-06-19 · cs.CR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYQ2LIT6GYI5C3PKKDXIK5FYBA}

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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

1 paper in Pith

LoRAScan: Detecting Backdoor Prompts in Low-Rank Adapters for Large Language Models via Down-Projection Activation Spikes

Receipt and verification

First computed	2026-07-05T11:24:36.619195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e21a5a27e3611d16dea50ee8574b8080290efb34fe0bd9ba1615b4e8e6e40fe

Aliases

arxiv: 2506.16447 · arxiv_version: 2506.16447v1 · doi: 10.48550/arxiv.2506.16447 · pith_short_12: RYQ2LIT6GYI5 · pith_short_16: RYQ2LIT6GYI5C3PK · pith_short_8: RYQ2LIT6

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/RYQ2LIT6GYI5C3PKKDXIK5FYBA \
  | 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: 8e21a5a27e3611d16dea50ee8574b8080290efb34fe0bd9ba1615b4e8e6e40fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dcb577be30472950810744f492fcc94fbdbbaff6b5094e1c4b71cdde54047e5",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-06-19T16:30:56Z",
    "title_canon_sha256": "299f90e2012972ac0a130259ca28f90990588d91d9e0a890a0fb580c7def201c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.16447",
    "kind": "arxiv",
    "version": 1
  }
}