Pith Number

pith:WXKOU3PV

pith:2021:WXKOU3PVICAIVL5WRLRNKIPD4J

not attested not anchored not stored refs pending

LUAI Challenge 2021 on Learning to Understand Aerial Images

Chang Meng, Chao-hui Yu, Fang Liu, Gui-Song Xia, Hao Wang, Jiahao Wang, Jiaming Han, Jian Ding, Jiaxuan Zhao, Jiebo Luo, Jie Zhang, Kaixuan Hu, Liangpei Zhang, Licheng Jiao, Lingqi Wang, Marcello Pelillo, Michael Ying Yang, Mihai Datcu, Ming Qian, Nan Xue, Qiang Zhou, Qianyue Bao, Serge Belongie, Shang Liu, Shengyang Li, Tianzhi Ma, Wei Li, Wenming Tan, Xiang Bai, Yiming Hui, Yingjia Bu, Yi Zuo, Zhe Yang, Zhuojun Dong, Zi-han Gao, Zixiao Zhang

arxiv:2108.13246 v2 · 2021-08-30 · 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{WXKOU3PVICAIVL5WRLRNKIPD4J}

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	2026-07-05T03:15:11.726654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5d4ea6df540808aafb68ae2d521e3e251137f1e80c6e7fb0d47a2aa7081cd51

Aliases

arxiv: 2108.13246 · arxiv_version: 2108.13246v2 · doi: 10.48550/arxiv.2108.13246 · pith_short_12: WXKOU3PVICAI · pith_short_16: WXKOU3PVICAIVL5W · pith_short_8: WXKOU3PV

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/WXKOU3PVICAIVL5WRLRNKIPD4J \
  | 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: b5d4ea6df540808aafb68ae2d521e3e251137f1e80c6e7fb0d47a2aa7081cd51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98700f70cf174c421bf2ebfe6d8de500c9a6a0e82bf811c213a3e5bab23ae2a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-30T14:03:54Z",
    "title_canon_sha256": "deeacbd0b73f9727a28377fa7945aada97410f546b07334edc1c0f3114f9a6d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13246",
    "kind": "arxiv",
    "version": 2
  }
}