Pith Number

pith:P4NN3W4I

pith:2026:P4NN3W4IPIPGVMI22X7JUHUVGO

not attested not anchored not stored refs pending

POPS: Recovering Unlearned Multi-Modality Knowledge in MLLMs with Prompt-Optimized Parameter Shaking

Jianing Zhu, Junyuan Hong, Shuowen Hu, Sungmin Eum, Suya You, Zhangheng Li, Zhangyang Wang

arxiv:2607.06649 v1 · 2026-07-07 · cs.CR · 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{P4NN3W4IPIPGVMI22X7JUHUVGO}

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	2026-07-09T00:19:21.728291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f1adddb887a1e6ab11ad5fe9a1e9533bbbd490e58069dead9be1d753d14478d

Aliases

arxiv: 2607.06649 · arxiv_version: 2607.06649v1 · doi: 10.48550/arxiv.2607.06649 · pith_short_12: P4NN3W4IPIPG · pith_short_16: P4NN3W4IPIPGVMI2 · pith_short_8: P4NN3W4I

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/P4NN3W4IPIPGVMI22X7JUHUVGO \
  | 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: 7f1adddb887a1e6ab11ad5fe9a1e9533bbbd490e58069dead9be1d753d14478d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15c8572262a8592449dc0126a7dd8938691ed35d0de274dcd4c05648eb5a01a1",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-07T16:28:54Z",
    "title_canon_sha256": "a42df67d1273a5a2299c63ea34ce82bf16038dd688d43f7ce81690ef6c694ea7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.06649",
    "kind": "arxiv",
    "version": 1
  }
}