Pith Number

pith:GWZEKW4Q

pith:2026:GWZEKW4QIP5JJEAKWVADBRNH2X

not attested not anchored not stored refs pending

Hierarchical Object Representation for Spatial Robot Perception: Points, Meshes, and Superquadrics

Ceng Zhang, Gregory S. Chirikjian, Mohamed Samshad, Rajat Talak, Wan Su

arxiv:2606.01545 v1 · 2026-06-01 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWZEKW4QIP5JJEAKWVADBRNH2X}

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	2026-06-02T02:04:35.989928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35b2455b9043fa94900ab54030c5a7d5c73c985a969298fb8a72863f8abb3819

Aliases

arxiv: 2606.01545 · arxiv_version: 2606.01545v1 · doi: 10.48550/arxiv.2606.01545 · pith_short_12: GWZEKW4QIP5J · pith_short_16: GWZEKW4QIP5JJEAK · pith_short_8: GWZEKW4Q

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/GWZEKW4QIP5JJEAKWVADBRNH2X \
  | 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: 35b2455b9043fa94900ab54030c5a7d5c73c985a969298fb8a72863f8abb3819

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5a89ab76dfe97fd4de3bb3a49453e7da658a21b55876dd480821ee59286b697",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-06-01T01:45:47Z",
    "title_canon_sha256": "f7764bfb6cb515d6d0ff380b3544e0d1b5018501e1cc3adae9d437d8556f83c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01545",
    "kind": "arxiv",
    "version": 1
  }
}