Pith Number

pith:ZBIFWSXZ

pith:2026:ZBIFWSXZCRK25QX3ZE4WQV57YY

not attested not anchored not stored refs pending

Are Prompt Optimizers Blind? Cross-Modal Visual Feedback for Automatic Prompt Optimization

Haoyue Liu, Xiaoying Tang, Xiaoyu Ma, Ye Chen, Yuexian Zou

arxiv:2607.24354 v1 · 2026-07-27 · 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{ZBIFWSXZCRK25QX3ZE4WQV57YY}

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	2026-07-28T02:23:58.881587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8505b4af91455aec2fbc9396857bfc63b772b1a2a5a8f40b992b9547ae02d45

Aliases

arxiv: 2607.24354 · arxiv_version: 2607.24354v1 · doi: 10.48550/arxiv.2607.24354 · pith_short_12: ZBIFWSXZCRK2 · pith_short_16: ZBIFWSXZCRK25QX3 · pith_short_8: ZBIFWSXZ

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/ZBIFWSXZCRK25QX3ZE4WQV57YY \
  | 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: c8505b4af91455aec2fbc9396857bfc63b772b1a2a5a8f40b992b9547ae02d45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e077e947455c08faeeffd580af4ac6df67e4d70cea716257013f40d32d2322a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-27T12:31:58Z",
    "title_canon_sha256": "c337b1cb1beb64f1a46d0711724b311cf5c639e9c049e33d0260d67687bd933e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.24354",
    "kind": "arxiv",
    "version": 1
  }
}