Pith Number

pith:CPGXLIMC

pith:2025:CPGXLIMCVUEKAZCRA3NSEKFXCA

not attested not anchored not stored refs pending

Dynamic Gradient Sparsification Training for Few-Shot Fine-tuning of CT Lymph Node Segmentation Foundation Model

Guotai Wang, Shichuan Zhang, Wenjun Liao, Xiangde Luo, Zihao Luo, Zijun Gao

arxiv:2503.00748 v1 · 2025-03-02 · 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{CPGXLIMCVUEKAZCRA3NSEKFXCA}

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	2026-07-05T10:22:28.575078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13cd75a182ad08a0645106db2228b7100e06a95c1216af292719d998f5e39b96

Aliases

arxiv: 2503.00748 · arxiv_version: 2503.00748v1 · doi: 10.48550/arxiv.2503.00748 · pith_short_12: CPGXLIMCVUEK · pith_short_16: CPGXLIMCVUEKAZCR · pith_short_8: CPGXLIMC

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/CPGXLIMCVUEKAZCRA3NSEKFXCA \
  | 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: 13cd75a182ad08a0645106db2228b7100e06a95c1216af292719d998f5e39b96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38876db5682245e5b970bdc41c83f379a53a1356b116b25d13500f3273c5ed0c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-03-02T06:02:34Z",
    "title_canon_sha256": "a68b346de9e3193281ed8684b79e5cc71cc35413465b431327b8ff761a594fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.00748",
    "kind": "arxiv",
    "version": 1
  }
}