Pith Number

pith:NU42PWV7

pith:2021:NU42PWV7PE3375YZI4SJOUG2DN

not attested not anchored not stored refs pending

The impact of data volume on performance of deep learning based building rooftop extraction using very high spatial resolution aerial images

Bingxu Hu, Hasti Andon Petrosians, Hongjie He, Hongzhang Xu, Jonathan Li, Junbo Wang, Ke Yang, Kun Zhao, Kyle Gao, Linlin Xu, Liyuan Qing, Qiutong Yu, Sarah Narges Fatholahi, Siyu Li, Yan Liu, Yuwei Cai, Zhehan Zhang, Zijian Jiang

arxiv:2103.09300 v2 · 2021-03-16 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NU42PWV7PE3375YZI4SJOUG2DN}

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	2026-07-05T03:20:01.250004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d39a7dabf7937bff71947249750da1b666831b3e53d6cca7be3cabebda6bd17

Aliases

arxiv: 2103.09300 · arxiv_version: 2103.09300v2 · doi: 10.48550/arxiv.2103.09300 · pith_short_12: NU42PWV7PE33 · pith_short_16: NU42PWV7PE3375YZ · pith_short_8: NU42PWV7

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/NU42PWV7PE3375YZI4SJOUG2DN \
  | 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: 6d39a7dabf7937bff71947249750da1b666831b3e53d6cca7be3cabebda6bd17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57b551b4b4fea875e3166a2099f6f40a3030b7c2ad5d790f29eedef6aba59a9e",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-16T20:03:50Z",
    "title_canon_sha256": "7a9417257dc375ef612ac1c5dd80653ba39e1af13defeeaefba03cb733c76d5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09300",
    "kind": "arxiv",
    "version": 2
  }
}