Pith Number

pith:DDJWPJ5B

pith:2021:DDJWPJ5BJWDCZWKN72WD2MUBEO

not attested not anchored not stored refs pending

Positional Contrastive Learning for Volumetric Medical Image Segmentation

Dewen Zeng, Haiyun Yuan, Jian Zhuang, Jingtong Hu, Meiping Huang, Xiaowei Xu, Xinrong Hu, Yawen Wu, Yiyu Shi

arxiv:2106.09157 v3 · 2021-06-16 · 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{DDJWPJ5BJWDCZWKN72WD2MUBEO}

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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.

Cited by

1 paper in Pith

A CNN-Transformer for Classification of Longitudinal 3D MRI Images -- A Case Study on Hepatocellular Carcinoma Prediction

Receipt and verification

First computed	2026-07-05T03:18:28.219240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18d367a7a14d862cd94dfeac3d328123b5401b63477abdbf7e3b188a7c0d4e4e

Aliases

arxiv: 2106.09157 · arxiv_version: 2106.09157v3 · doi: 10.48550/arxiv.2106.09157 · pith_short_12: DDJWPJ5BJWDC · pith_short_16: DDJWPJ5BJWDCZWKN · pith_short_8: DDJWPJ5B

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/DDJWPJ5BJWDCZWKN72WD2MUBEO \
  | 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: 18d367a7a14d862cd94dfeac3d328123b5401b63477abdbf7e3b188a7c0d4e4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d52b99a1f59729e52fa02dd484057bec86aec222260edaddb3e7992332e5cd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-16T22:15:28Z",
    "title_canon_sha256": "e17e9a84d995e783dfb4e074e49d50ea1001ef4a418d2db59ba6bc931e2e613b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09157",
    "kind": "arxiv",
    "version": 3
  }
}