Pith Number

pith:5JD3EIRO

pith:2026:5JD3EIROJCUS3TJYANL7ZJ26MH

not attested not anchored not stored refs pending

A 3D Isovist World Model -- Revealing a City's Unseen Geometry and Its Emergent Cross-City Signature

Kunyao Li, Nanjiang Chen, Stephen Law, Tao Yang, Xuhui Lin

arxiv:2606.03609 v1 · 2026-06-02 · cs.RO · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JD3EIROJCUS3TJYANL7ZJ26MH}

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	2026-06-03T01:06:02.285052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea47b2222e48a92dcd380357fca75e61c558c428c2c304a6f83576303b31dbf3

Aliases

arxiv: 2606.03609 · arxiv_version: 2606.03609v1 · doi: 10.48550/arxiv.2606.03609 · pith_short_12: 5JD3EIROJCUS · pith_short_16: 5JD3EIROJCUS3TJY · pith_short_8: 5JD3EIRO

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/5JD3EIROJCUS3TJYANL7ZJ26MH \
  | 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: ea47b2222e48a92dcd380357fca75e61c558c428c2c304a6f83576303b31dbf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd79b29d3153c9ef7a936e127229dba2e6968105972eb51c1c8271a180c117a3",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-06-02T13:11:30Z",
    "title_canon_sha256": "aea25beacd03c7244e7205cc1fb49231f9a82745eac10c04fae33bf4b6bc7736"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.03609",
    "kind": "arxiv",
    "version": 1
  }
}