Pith Number

pith:432JTDM6

pith:2021:432JTDM6PKLVD47VCTKSPFLCOP

not attested not anchored not stored refs pending

How to Inject Backdoors with Better Consistency: Logit Anchoring on Clean Data

Lichao Sun, Lingjuan Lyu, Weiqiang Wang, Xu Sun, Zhiyuan Zhang

arxiv:2109.01300 v2 · 2021-09-03 · cs.LG · 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{432JTDM6PKLVD47VCTKSPFLCOP}

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.

Cited by

1 paper in Pith

Lethe: Purifying Backdoored Large Language Models with Knowledge Dilution

Receipt and verification

First computed	2026-07-05T04:01:31.737071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6f4998d9e7a9751f3f514d527956273f7c2cb18ed0b509e64b541f6a07bca01

Aliases

arxiv: 2109.01300 · arxiv_version: 2109.01300v2 · doi: 10.48550/arxiv.2109.01300 · pith_short_12: 432JTDM6PKLV · pith_short_16: 432JTDM6PKLVD47V · pith_short_8: 432JTDM6

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/432JTDM6PKLVD47VCTKSPFLCOP \
  | 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: e6f4998d9e7a9751f3f514d527956273f7c2cb18ed0b509e64b541f6a07bca01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5de12f3b9e9c8b3f04c22740f88c5394e9065924ff5473b6234593ecaebfa32",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-03T03:59:10Z",
    "title_canon_sha256": "fdc197e4a316704d4ed7f951409576235fcdbd7f4a322152e857f38419d6afed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01300",
    "kind": "arxiv",
    "version": 2
  }
}