Pith Number

pith:SNIDUPRC

pith:2026:SNIDUPRCJHTHGPOU6YRXIUKDHE

not attested not anchored not stored refs pending

From Demonstrations to Rewards: Test-Time Prompt Optimization for VLM Reward Models

Andrii Zadaianchuk, Christian Gumbsch, Efstratios Gavves, Fabien Despinoy, Lennard Sch\"unemann, Leonardo Barcellona, Platon Karageorgis, Rahaf Aljundi, Sergey Zakharov, Zehao Wang

arxiv:2606.00083 v1 · 2026-05-22 · cs.LG · cs.AI · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SNIDUPRCJHTHGPOU6YRXIUKDHE}

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	2026-06-02T00:03:14.547425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93503a3e2249e6733dd4f62374514339001bdb14f5efbb64834e1dee41a1cec7

Aliases

arxiv: 2606.00083 · arxiv_version: 2606.00083v1 · doi: 10.48550/arxiv.2606.00083 · pith_short_12: SNIDUPRCJHTH · pith_short_16: SNIDUPRCJHTHGPOU · pith_short_8: SNIDUPRC

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/SNIDUPRCJHTHGPOU6YRXIUKDHE \
  | 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: 93503a3e2249e6733dd4f62374514339001bdb14f5efbb64834e1dee41a1cec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "011db65715406c3838fab887ad3bacaa820e56ccc9c1f89bef233d76d985786c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-22T16:04:22Z",
    "title_canon_sha256": "796580e31263eed9ee68cd70cdf8b32ac06d4291b87f55c4f3fc15c02cd2d6ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00083",
    "kind": "arxiv",
    "version": 1
  }
}