Pith Number

pith:VN4LSH4N

pith:2019:VN4LSH4NLHQIQBQXCRPBYQKRLY

not attested not anchored not stored refs pending

ACE-Net: Biomedical Image Segmentation with Augmented Contracting and Expansive Paths

Hongtao Xie, Shuai Zhao, Wenming Guo, Yanhao Zhu, Yongdong Zhang, Zhineng Chen

arxiv:1909.04148 v1 · 2019-08-23 · 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{VN4LSH4NLHQIQBQXCRPBYQKRLY}

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	2026-07-05T00:03:19.154085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab78b91f8d59e0880617145e1c41515e21baac75f1d6e28468923b24187e5e3b

Aliases

arxiv: 1909.04148 · arxiv_version: 1909.04148v1 · doi: 10.48550/arxiv.1909.04148 · pith_short_12: VN4LSH4NLHQI · pith_short_16: VN4LSH4NLHQIQBQX · pith_short_8: VN4LSH4N

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/VN4LSH4NLHQIQBQXCRPBYQKRLY \
  | 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: ab78b91f8d59e0880617145e1c41515e21baac75f1d6e28468923b24187e5e3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba2d4e5b3a5893ea381432d04c3fdf01f39d803c70602c60b2e56a76d81a9aed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-23T07:03:48Z",
    "title_canon_sha256": "ac2bdc32a0606657b760f4156b25686d99efb5990e1909d9b168290972e00a23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04148",
    "kind": "arxiv",
    "version": 1
  }
}