Pith Number

pith:OFXDQC4O

pith:2026:OFXDQC4OLBRCXEZJXXXJSVOQXC

not attested not anchored not stored refs pending

GROW$^2$: Grounding Which and Where for Robot Tool Use

David Hsu, Yuhong Deng, Yuyao Liu

arxiv:2606.30632 v1 · 2026-06-29 · cs.RO · cs.AI · 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{OFXDQC4OLBRCXEZJXXXJSVOQXC}

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	2026-06-30T02:18:23.605478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

716e380b8e58622b9329bdee9955d0b8aa96566ddc5a18921a0efc5d320d1594

Aliases

arxiv: 2606.30632 · arxiv_version: 2606.30632v1 · doi: 10.48550/arxiv.2606.30632 · pith_short_12: OFXDQC4OLBRC · pith_short_16: OFXDQC4OLBRCXEZJ · pith_short_8: OFXDQC4O

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/OFXDQC4OLBRCXEZJXXXJSVOQXC \
  | 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: 716e380b8e58622b9329bdee9955d0b8aa96566ddc5a18921a0efc5d320d1594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98b9c08eef9f030e870b437c7beea80e977928e6b437326cdc0aec38ea39577c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-06-29T17:56:53Z",
    "title_canon_sha256": "581b3fa1db0ba945911b1687bb2482a9d072aa062ff70ebed4de163b8e1d9a5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30632",
    "kind": "arxiv",
    "version": 1
  }
}