Pith Number

pith:PQJ47BD4

pith:2026:PQJ47BD4DLVI7B2RA33C7Y6DWG

not attested not anchored not stored refs pending

PruneGround: Plug-and-play Spatial Pruning for 3D Visual Grounding

Bernhard Sch\"olkopf, Chris Ngo, Duc Cao Dinh, Florent Draye, Khai Le-Duc, Terry Jingchen Zhang, Zhijing Jin

arxiv:2606.31148 v1 · 2026-06-30 · cs.CV · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQJ47BD4DLVI7B2RA33C7Y6DWG}

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	2026-07-01T01:17:30.567825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c13cf847c1aea8f875106f62fe3c3b18b4bd0d970df653e608c22560efc5237

Aliases

arxiv: 2606.31148 · arxiv_version: 2606.31148v1 · doi: 10.48550/arxiv.2606.31148 · pith_short_12: PQJ47BD4DLVI · pith_short_16: PQJ47BD4DLVI7B2R · pith_short_8: PQJ47BD4

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/PQJ47BD4DLVI7B2RA33C7Y6DWG \
  | 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: 7c13cf847c1aea8f875106f62fe3c3b18b4bd0d970df653e608c22560efc5237

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "973a18e30bd45025812a9994a902f4994c2155ea58b7763205a64aee328be43a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-30T05:21:11Z",
    "title_canon_sha256": "668e72cd09aaab99a0095192890fda68bfb9cf22c87a9142dd867fd0a7d13929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31148",
    "kind": "arxiv",
    "version": 1
  }
}