Pith Number

pith:QUAB3CUM

pith:2021:QUAB3CUMSALSYDLVCID52LUBGS

not attested not anchored not stored refs pending

Blind Image Quality Assessment for MRI with A Deep Three-dimensional content-adaptive Hyper-Network

Cheng Li, Chuyu Rong, Hairong Zheng, Haoran Li, Kehan Qi, Shanshan Wang, Yu Gong

arxiv:2107.06888 v1 · 2021-07-13 · 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{QUAB3CUMSALSYDLVCID52LUBGS}

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	2026-07-05T02:58:07.940765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85001d8a8c90172c0d751207dd2e813496afd5844611370cd6137aa6b68d55d6

Aliases

arxiv: 2107.06888 · arxiv_version: 2107.06888v1 · doi: 10.48550/arxiv.2107.06888 · pith_short_12: QUAB3CUMSALS · pith_short_16: QUAB3CUMSALSYDLV · pith_short_8: QUAB3CUM

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/QUAB3CUMSALSYDLVCID52LUBGS \
  | 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: 85001d8a8c90172c0d751207dd2e813496afd5844611370cd6137aa6b68d55d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "083d4f54a40fe4f9c722a785e011d3255137a33551a0f77b965d478ea5257244",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-07-13T09:04:20Z",
    "title_canon_sha256": "333b154762ec3e273de28556afa22063eaf044dfacb66bfa7bf5eb14777f5318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06888",
    "kind": "arxiv",
    "version": 1
  }
}