Pith Number

pith:PLQRGUCU

pith:2026:PLQRGUCUG24BELR3YLUHV4OQZU

not attested not anchored not stored refs pending

On the Vulnerability of Parameter-Level Defenses to Model Merging

Jian Liang, Kuangpu Guo, Qingyan Zheng, Ran He, Tieniu Tan, Yongcan Yu, Zilei Wang

arxiv:2606.30360 v1 · 2026-06-29 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PLQRGUCUG24BELR3YLUHV4OQZU}

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	2026-06-30T02:18:11.849442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ae113505436b8122e3bc2e87af1d0cd04c4c55707e387d28e3373ba06c5f293

Aliases

arxiv: 2606.30360 · arxiv_version: 2606.30360v1 · doi: 10.48550/arxiv.2606.30360 · pith_short_12: PLQRGUCUG24B · pith_short_16: PLQRGUCUG24BELR3 · pith_short_8: PLQRGUCU

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/PLQRGUCUG24BELR3YLUHV4OQZU \
  | 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: 7ae113505436b8122e3bc2e87af1d0cd04c4c55707e387d28e3373ba06c5f293

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d08b3c7bc9e9eb9c77e0f164d716440841f5dfdbb5aba2c062f01d4def547ebf",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-29T14:26:13Z",
    "title_canon_sha256": "eb53eeef268d6dcbb5b1d35ba420dfadf2344d8e99819e20a0fcff3ba6261de4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30360",
    "kind": "arxiv",
    "version": 1
  }
}