Pith Number

pith:FFYH7OJI

pith:2021:FFYH7OJIJKR7CVGSQJMO3STTFD

not attested not anchored not stored refs pending

An Optimization-Based Meta-Learning Model for MRI Reconstruction with Diverse Dataset

Qingchao Zhang, Wanyu Bian, Xiaojing Ye, Yunmei Chen

arxiv:2110.00715 v1 · 2021-10-02 · cs.CV · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFYH7OJIJKR7CVGSQJMO3STTFD}

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	2026-07-05T03:19:47.741352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29707fb9284aa3f154d28258edca7328e03c4e8b0bd1078ec6191df64532be67

Aliases

arxiv: 2110.00715 · arxiv_version: 2110.00715v1 · doi: 10.48550/arxiv.2110.00715 · pith_short_12: FFYH7OJIJKR7 · pith_short_16: FFYH7OJIJKR7CVGS · pith_short_8: FFYH7OJI

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/FFYH7OJIJKR7CVGSQJMO3STTFD \
  | 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: 29707fb9284aa3f154d28258edca7328e03c4e8b0bd1078ec6191df64532be67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e69db0550f68d33e8ef1e61267e5d8dc7771c9a8b08cea7056e83f700c55a04f",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-10-02T03:21:52Z",
    "title_canon_sha256": "4dc327c99492e34d59832c21c43936187016bfd965f5d77ea5a28d0aa0ec855d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.00715",
    "kind": "arxiv",
    "version": 1
  }
}