Pith Number

pith:7Z4BZZSH

pith:2025:7Z4BZZSHDLOBQUVNME7CQLZINA

not attested not anchored not stored refs pending

OpenGround: Planning-based Online Perception for Open-World 3D Visual Grounding

Fang Zhao, Jian Yang, Ting Huang, Wenyuan Huang, Zhao Wang, Zhenyu Zhang, Zhou Wei

arxiv:2512.23020 v3 · 2025-12-28 · 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{7Z4BZZSHDLOBQUVNME7CQLZINA}

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	2026-07-08T01:18:23.486750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe781ce6471adc1852ad613e282f2868089032b73e51028621872877ddf4341c

Aliases

arxiv: 2512.23020 · arxiv_version: 2512.23020v3 · doi: 10.48550/arxiv.2512.23020 · pith_short_12: 7Z4BZZSHDLOB · pith_short_16: 7Z4BZZSHDLOBQUVN · pith_short_8: 7Z4BZZSH

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/7Z4BZZSHDLOBQUVNME7CQLZINA \
  | 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: fe781ce6471adc1852ad613e282f2868089032b73e51028621872877ddf4341c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7ddd2a2af8e1488426e665e739505076b9d45b3825adecaf99db0788a87f1c1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-12-28T17:44:20Z",
    "title_canon_sha256": "d214974f210105884420ca1c41ebc68ef4ae62b5117147f11d0eccd48a1ea1fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.23020",
    "kind": "arxiv",
    "version": 3
  }
}