Pith Number

pith:HTVIQW7L

pith:2021:HTVIQW7LRCCX2LYA6YSTX7WRJJ

not attested not anchored not stored refs pending

NTIRE 2021 Challenge on Perceptual Image Quality Assessment

Ales Leonardis, Ali Royat, Byungyeon Kang, Chao Dong, Dounia Hammou, Gwangjin Yoon, Hai Wang, Haiyang Guo, Haoming Cai, Hengliang Luo, Hengxing Cai, Hiroaki Akutsu, Jiahao Wang, Jimmy S. Ren, Jingyu Guo, Jinjin Gu, Jose Costa Pereira, Junlin Li, Junwoo Lee, Kele Xu, Kiyoharu Aizawa, Koki Tsubota, Lehan Yang, Longtao Feng, Manri Cheon, Mingdeng Cao, Pengfei Sun, Qingyan Bai, Qing Zhang, Radu Timofte, Sewoong Ahn, Seyed Mehdi Ayyoubzadeh, Shuhang Gu, Shuwei Shi, Sid Ahmed Fezza, Steven McDonagh, Sungjun Yoon, Tao Zhang, Wassim Hamidouche, Weihao Xia, Wenming Yang, William Thong, Yang Li, Yi Bin, Yifan Chen, Yiting Liao, Yujiu Yang, Yu Qiao, Yuqing Hou, Zirui Wang

arxiv:2105.03072 v3 · 2021-05-07 · eess.IV · 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{HTVIQW7LRCCX2LYA6YSTX7WRJJ}

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	2026-07-05T02:52:44.942461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cea885beb88857d2f00f6253bfed14a70963cff29b494b3e637fe1121173146

Aliases

arxiv: 2105.03072 · arxiv_version: 2105.03072v3 · doi: 10.48550/arxiv.2105.03072 · pith_short_12: HTVIQW7LRCCX · pith_short_16: HTVIQW7LRCCX2LYA · pith_short_8: HTVIQW7L

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/HTVIQW7LRCCX2LYA6YSTX7WRJJ \
  | 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: 3cea885beb88857d2f00f6253bfed14a70963cff29b494b3e637fe1121173146

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e2969af84ac9519f56aa739f6cf88bdf5aa2456845c31369f2e91492d92a0ac",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-05-07T05:36:54Z",
    "title_canon_sha256": "6cdec08a5c5353a9254a4fc9823654ddacb030cb30178004bb411e78555b5e66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03072",
    "kind": "arxiv",
    "version": 3
  }
}