Pith Number

pith:OZ7CISEQ

pith:2025:OZ7CISEQPNKW7QYOQ7IHML4NWB

not attested not anchored not stored refs pending

HUG: Hierarchical Urban Gaussian Splatting with Block-Based Reconstruction for Large-Scale Aerial Scenes

Chengwei Pan, Guoping Wang, Huishan Au, Mai Su, Xizhe Cao, Yilong Li, Yisong Chen, Zhongtao Wang

arxiv:2504.16606 v2 · 2025-04-23 · cs.GR · 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{OZ7CISEQPNKW7QYOQ7IHML4NWB}

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	2026-07-05T11:27:29.639392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

767e2448907b556fc30e87d0762f8db0744665340ca0ea90a5a7186aaeb8b960

Aliases

arxiv: 2504.16606 · arxiv_version: 2504.16606v2 · doi: 10.48550/arxiv.2504.16606 · pith_short_12: OZ7CISEQPNKW · pith_short_16: OZ7CISEQPNKW7QYO · pith_short_8: OZ7CISEQ

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/OZ7CISEQPNKW7QYOQ7IHML4NWB \
  | 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: 767e2448907b556fc30e87d0762f8db0744665340ca0ea90a5a7186aaeb8b960

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7a51efb5163c65761d100890cd4f669e2482abdff30095e1b7501290e0f7eeb",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2025-04-23T10:40:40Z",
    "title_canon_sha256": "2e217e4ea30eaae3aec7ae368559ce0a06a6a154497cdc67d85456ca7059fdf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16606",
    "kind": "arxiv",
    "version": 2
  }
}