Pith Number

pith:XBT7QP7R

pith:2025:XBT7QP7RBDFDXG6QIWWOXEHQVT

not attested not anchored not stored refs pending

LEGO Co-builder: Exploring Fine-Grained Vision-Language Modeling for Multimodal LEGO Assembly Assistants

Chuang Yu, Haochen Huang, Jiahuan Pei, Junxiao Wang, Mohammad Aliannejadi, Moonisa Ahsan, Pablo Cesar, Xin Sun, Zhaochun Ren

arxiv:2507.05515 v2 · 2025-07-07 · cs.AI · cs.CL · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBT7QP7RBDFDXG6QIWWOXEHQVT}

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.

Cited by

4 papers in Pith

Brick-Composer: Using MLLMs for Assembly with Diverse Bricks

AssemblyBench: Physics-Aware Assembly of Complex Industrial Objects

Operating Within the Operational Design Domain: Zero-Shot Perception with Vision-Language Models

Receipt and verification

First computed	2026-07-05T11:41:44.029056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b867f83ff108ca3b9bd045aceb90f0acc8f1d77329bb3ff9d44d4678f588c345

Aliases

arxiv: 2507.05515 · arxiv_version: 2507.05515v2 · doi: 10.48550/arxiv.2507.05515 · pith_short_12: XBT7QP7RBDFD · pith_short_16: XBT7QP7RBDFDXG6Q · pith_short_8: XBT7QP7R

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/XBT7QP7RBDFDXG6QIWWOXEHQVT \
  | 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: b867f83ff108ca3b9bd045aceb90f0acc8f1d77329bb3ff9d44d4678f588c345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "621673460073877dd9eea92d1fb7301dbe21122b3d7270bf5f3d8e2734825c7b",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-07-07T22:29:01Z",
    "title_canon_sha256": "61f999f172635b64958106a402f6ce8d5e5201b9219b4c4fe89dbb5d56949f88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.05515",
    "kind": "arxiv",
    "version": 2
  }
}