Pith Number

pith:QPFOIXP6

pith:2023:QPFOIXP6BPU3AW32YFTV6GLX5P

not attested not anchored not stored refs pending

GCL: Gradient-Guided Contrastive Learning for Medical Image Segmentation with Multi-Perspective Meta Labels

Danny Z. Chen, Jiahuan Yan, Jian Wu, Jintai Chen, Yiheng Zhu, Yixuan Wu

arxiv:2309.08888 v1 · 2023-09-16 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPFOIXP6BPU3AW32YFTV6GLX5P}

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	2026-07-05T06:51:31.034469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83cae45dfe0be9b05b7ac1675f1977ebd2feb46e154f39bb31a223838d5fe7a1

Aliases

arxiv: 2309.08888 · arxiv_version: 2309.08888v1 · doi: 10.48550/arxiv.2309.08888 · pith_short_12: QPFOIXP6BPU3 · pith_short_16: QPFOIXP6BPU3AW32 · pith_short_8: QPFOIXP6

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/QPFOIXP6BPU3AW32YFTV6GLX5P \
  | 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: 83cae45dfe0be9b05b7ac1675f1977ebd2feb46e154f39bb31a223838d5fe7a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a556616194695c5870dbce079e266e704b36621d4bd4e663e0ad611214a8d7a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-09-16T05:56:38Z",
    "title_canon_sha256": "a9cc1f8e64cb586425803abaf8890ed5bf39d7056d76fc554e17b5a81647e3c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.08888",
    "kind": "arxiv",
    "version": 1
  }
}