Pith Number

pith:VHG73YXC

pith:2023:VHG73YXC4DMSUVXJOXPX34SEW7

not attested not anchored not stored refs pending

SuperpixelGraph: Semi-automatic generation of building footprint through semantic-sensitive superpixel and neural graph networks

Bo Xu, Han Hu, Haojia Yu, Qing Zhu, Qisen Shang, Zhendong Wang

arxiv:2304.05661 v2 · 2023-04-12 · 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{VHG73YXC4DMSUVXJOXPX34SEW7}

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	2026-07-05T06:22:02.968588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9cdfde2e2e0d92a56e975df7df244b7ddd49191462c77328d85c66c981ab5ea

Aliases

arxiv: 2304.05661 · arxiv_version: 2304.05661v2 · doi: 10.48550/arxiv.2304.05661 · pith_short_12: VHG73YXC4DMS · pith_short_16: VHG73YXC4DMSUVXJ · pith_short_8: VHG73YXC

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/VHG73YXC4DMSUVXJOXPX34SEW7 \
  | 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: a9cdfde2e2e0d92a56e975df7df244b7ddd49191462c77328d85c66c981ab5ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1e3a074da51a2a61d0722437047f79c6854aa5dc3ae926778b394dd3d75b45d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-04-12T07:39:20Z",
    "title_canon_sha256": "752206294ac35bacf0411b34b387f524553fa1a92bc7bea243ff540caf1360a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.05661",
    "kind": "arxiv",
    "version": 2
  }
}