Pith Number

pith:W75NYE45

pith:2026:W75NYE45WBDL6GXN7YZUPGFTD3

not attested not anchored not stored refs pending

PGT: Procedurally Generated Tasks for improving visual grounding in MLLMs

Adriana Romero-Soriano, Amir Bar, Michal Drozdzal, Rim Assouel

arxiv:2605.23883 v1 · 2026-05-22 · cs.CV · 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{W75NYE45WBDL6GXN7YZUPGFTD3}

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	2026-05-25T02:02:37.470960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7fadc139db046bf1aedfe334798b31ed97ecdcc3dde14edfac753afa75b40b4

Aliases

arxiv: 2605.23883 · arxiv_version: 2605.23883v1 · doi: 10.48550/arxiv.2605.23883 · pith_short_12: W75NYE45WBDL · pith_short_16: W75NYE45WBDL6GXN · pith_short_8: W75NYE45

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/W75NYE45WBDL6GXN7YZUPGFTD3 \
  | 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: b7fadc139db046bf1aedfe334798b31ed97ecdcc3dde14edfac753afa75b40b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0214041ba1670db67fa8dd2c3780c1dc6e41cb4310dd625fd438dcb5457286a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-22T17:45:01Z",
    "title_canon_sha256": "9387b6343e176d442a6f5923dbc23dc55f191ad54de8da8c1ac76fbffc5ba10b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23883",
    "kind": "arxiv",
    "version": 1
  }
}