Pith Number

pith:XAPWZHKY

pith:2026:XAPWZHKY26MCZTL4GAWZEXZ6IU

not attested not anchored not stored refs pending

Group Preference Collapse in Personalized Multimodal Large Language Models

Fan Lyu, Joost Van De Weijer, Wenqi Zhang

arxiv:2607.22603 v1 · 2026-06-12 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XAPWZHKY26MCZTL4GAWZEXZ6IU}

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	2026-07-28T00:21:44.602786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b81f6c9d58d7982ccd7c302d925f3e4535ebe15c34bfeb1c25e49e413cec6b8b

Aliases

arxiv: 2607.22603 · arxiv_version: 2607.22603v1 · doi: 10.48550/arxiv.2607.22603 · pith_short_12: XAPWZHKY26MC · pith_short_16: XAPWZHKY26MCZTL4 · pith_short_8: XAPWZHKY

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/XAPWZHKY26MCZTL4GAWZEXZ6IU \
  | 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: b81f6c9d58d7982ccd7c302d925f3e4535ebe15c34bfeb1c25e49e413cec6b8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "803b6890b4a1b6aee99c2d90ee3f20bac25a58bc27ec667dc3456d45d899d413",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-12T16:52:12Z",
    "title_canon_sha256": "37d964a60e1ff5018cfebe29916055f22a67f966b9ec5dd5c161c7994f8aedc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22603",
    "kind": "arxiv",
    "version": 1
  }
}