Pith Number

pith:A5NYWOWM

pith:2023:A5NYWOWM3H5F36CF244YCKHMW3

not attested not anchored not stored refs pending

Model-based Federated Learning for Accurate MR Image Reconstruction from Undersampled k-space Data

Cheng Li, Hairong Zheng, Juan Zou, Qiegen Liu, Ruoyou Wu, Shanshan Wang

arxiv:2304.07502 v1 · 2023-04-15 · 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{A5NYWOWM3H5F36CF244YCKHMW3}

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	2026-07-05T06:01:22.223383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

075b8b3accd9fa5df845d7398128ecb6f3300605e85ca1f8e88b75572b025feb

Aliases

arxiv: 2304.07502 · arxiv_version: 2304.07502v1 · doi: 10.48550/arxiv.2304.07502 · pith_short_12: A5NYWOWM3H5F · pith_short_16: A5NYWOWM3H5F36CF · pith_short_8: A5NYWOWM

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/A5NYWOWM3H5F36CF244YCKHMW3 \
  | 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: 075b8b3accd9fa5df845d7398128ecb6f3300605e85ca1f8e88b75572b025feb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36fa55fbc0e29d3462099ea6e12e5c7f229196a6907022f86df22b3992170ab6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2023-04-15T08:12:02Z",
    "title_canon_sha256": "a9aa0999879ea5b07800e58e91f832dfbfe0749f0c7b085919c814a0e61231d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.07502",
    "kind": "arxiv",
    "version": 1
  }
}