Pith Number

pith:G5GH7ARR

pith:2026:G5GH7ARRQUN6G6MYXVAQCVEA3U

not attested not anchored not stored refs pending

Multimodal Evaluator Preference Collapse: Cross-Modal Contagion in Self-Evolving Agents

Zewen Liu

arxiv:2606.16682 v2 · 2026-06-15 · cs.LG · 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{G5GH7ARRQUN6G6MYXVAQCVEA3U}

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	2026-06-19T16:12:56.486656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

374c7f8231851be37998bd41015480dd2e1a777c19003b06172dcbe42f2fd8b0

Aliases

arxiv: 2606.16682 · arxiv_version: 2606.16682v2 · doi: 10.48550/arxiv.2606.16682 · pith_short_12: G5GH7ARRQUN6 · pith_short_16: G5GH7ARRQUN6G6MY · pith_short_8: G5GH7ARR

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/G5GH7ARRQUN6G6MYXVAQCVEA3U \
  | 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: 374c7f8231851be37998bd41015480dd2e1a777c19003b06172dcbe42f2fd8b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "077161f4faa9ca5c1fc00ab7adcd0b9eb68eeb64ca6699f902987d4d161fd34e",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-15T13:18:20Z",
    "title_canon_sha256": "fc1417405177012e73e2129833a2c415d00d5d9d8350d4ce2047816c3edff074"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.16682",
    "kind": "arxiv",
    "version": 2
  }
}