Pith Number

pith:BG5XJPWP

pith:2019:BG5XJPWPAZNDISYA747J5M4NGL

not attested not anchored not stored refs pending

Connection Sensitive Attention U-NET for Accurate Retinal Vessel Segmentation

Jiacheng Li, Mingming Li, Ruirui Li, Yating Zhou

arxiv:1903.05558 v2 · 2019-03-13 · 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{BG5XJPWPAZNDISYA747J5M4NGL}

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	2026-05-17T23:47:57.697168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09bb74becf065a344b00ff3e9eb38d32f5d82c37f5375cdcbbc094b80298ca10

Aliases

arxiv: 1903.05558 · arxiv_version: 1903.05558v2 · doi: 10.48550/arxiv.1903.05558 · pith_short_12: BG5XJPWPAZND · pith_short_16: BG5XJPWPAZNDISYA · pith_short_8: BG5XJPWP

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/BG5XJPWPAZNDISYA747J5M4NGL \
  | 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: 09bb74becf065a344b00ff3e9eb38d32f5d82c37f5375cdcbbc094b80298ca10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d571139f021e3217fe483fb287d62099e1d4779008a5094a3d0c28475294a322",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-13T15:51:50Z",
    "title_canon_sha256": "419e66bf7dc40a09f93ceb896f133b586a496a81e39766e3ade45590f96150a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05558",
    "kind": "arxiv",
    "version": 2
  }
}