Pith Number

pith:6U6XYYBW

pith:2022:6U6XYYBWZUP3LQV6UFGZGGHWOL

not attested not anchored not stored refs pending

SPNet: A novel deep neural network for retinal vessel segmentation based on shared decoder and pyramid-like loss

Chuan-Xian Ren, Geng-Xin Xu

arxiv:2202.09515 v1 · 2022-02-19 · eess.IV · 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{6U6XYYBWZUP3LQV6UFGZGGHWOL}

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	2026-07-05T03:58:23.342070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f53d7c6036cd1fb5c2bea14d9318f672c70bf43ffcb33b33a52214cf612faee0

Aliases

arxiv: 2202.09515 · arxiv_version: 2202.09515v1 · doi: 10.48550/arxiv.2202.09515 · pith_short_12: 6U6XYYBWZUP3 · pith_short_16: 6U6XYYBWZUP3LQV6 · pith_short_8: 6U6XYYBW

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/6U6XYYBWZUP3LQV6UFGZGGHWOL \
  | 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: f53d7c6036cd1fb5c2bea14d9318f672c70bf43ffcb33b33a52214cf612faee0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a784b9f311a9a1af5dee40732fad7abd869f9f312cbb7d1a2d2701248c5f70a8",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-02-19T03:44:34Z",
    "title_canon_sha256": "e608ebd9e1abc8de46aa59d837424d89e9accb1a7a48390224e8b511d794bc82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.09515",
    "kind": "arxiv",
    "version": 1
  }
}