Pith Number

pith:TAQAKFWS

pith:2026:TAQAKFWSHJMRUWC67WN2BXNHX2

not attested not anchored not stored refs pending

Gradient Immunity: Null-Space Resistance to Malicious Fine-Tuning

Chaochao Lu, Tianhang Zheng, Xingyu Zeng, Yuxuan Huang

arxiv:2608.05045 v1 · 2026-08-05 · cs.CR · cs.AI · 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{TAQAKFWSHJMRUWC67WN2BXNHX2}

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	2026-08-06T01:48:06.305811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98200516d23a591a585efd9ba0dda7be83acc47f3fae8bedcc8e5d02b12a20c3

Aliases

arxiv: 2608.05045 · arxiv_version: 2608.05045v1 · doi: 10.48550/arxiv.2608.05045 · pith_short_12: TAQAKFWSHJMR · pith_short_16: TAQAKFWSHJMRUWC6 · pith_short_8: TAQAKFWS

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/TAQAKFWSHJMRUWC67WN2BXNHX2 \
  | 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: 98200516d23a591a585efd9ba0dda7be83acc47f3fae8bedcc8e5d02b12a20c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bb741db1baa21bf5502e53621726242d331ada3be03ad0ef670fdc77bed8b67",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-08-05T16:55:59Z",
    "title_canon_sha256": "b1cd915d5bb7355a2ddc301c15dc378bc5395a313a50fda6763fbed6f4279cf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05045",
    "kind": "arxiv",
    "version": 1
  }
}