Pith Number

pith:OULSXJ66

pith:2022:OULSXJ66X3ER4PADNKAM3CKTTP

not attested not anchored not stored refs pending

PARCEL: Physics-based Unsupervised Contrastive Representation Learning for Multi-coil MR Imaging

Cheng Li, Hairong Zheng, Juan Zou, Qiegen Liu, Ruoyou Wu, Shanshan Wang, Yan Xi, Ziyao Zhang

arxiv:2202.01494 v3 · 2022-02-03 · eess.IV · cs.AI · 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{OULSXJ66X3ER4PADNKAM3CKTTP}

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	2026-07-05T05:15:37.065666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75172ba7debec91e3c036a80cd89539be13358533c61945e722e26725e6dd2dc

Aliases

arxiv: 2202.01494 · arxiv_version: 2202.01494v3 · doi: 10.48550/arxiv.2202.01494 · pith_short_12: OULSXJ66X3ER · pith_short_16: OULSXJ66X3ER4PAD · pith_short_8: OULSXJ66

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/OULSXJ66X3ER4PADNKAM3CKTTP \
  | 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: 75172ba7debec91e3c036a80cd89539be13358533c61945e722e26725e6dd2dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ca0e9de460414b5de7030b71ed9fdb268b64b8759b6d2b41134339a654a8aab",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-02-03T10:09:19Z",
    "title_canon_sha256": "c1425c61843deca7397470c8c62ea2bbfe364b9e23b0823c9f4cc7cade727124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.01494",
    "kind": "arxiv",
    "version": 3
  }
}