Pith Number

pith:UHUKB36B

pith:2020:UHUKB36B7LLDE5NBPGLDKIY2J2

not attested not anchored not stored refs pending

Robust Retinal Vessel Segmentation from a Data Augmentation Perspective

Dongwei Zhu, Huihui Fang, Junwei Liu, Lei Wang, Xu Sun, Yanwu Xu, Yehui Yang

arxiv:2007.15883 v2 · 2020-07-31 · 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{UHUKB36B7LLDE5NBPGLDKIY2J2}

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	2026-07-05T03:17:44.969814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1e8a0efc1fad63275a1799635231a4e849a1a65ee0fadb0e444f59037b31c69

Aliases

arxiv: 2007.15883 · arxiv_version: 2007.15883v2 · doi: 10.48550/arxiv.2007.15883 · pith_short_12: UHUKB36B7LLD · pith_short_16: UHUKB36B7LLDE5NB · pith_short_8: UHUKB36B

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/UHUKB36B7LLDE5NBPGLDKIY2J2 \
  | 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: a1e8a0efc1fad63275a1799635231a4e849a1a65ee0fadb0e444f59037b31c69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49944265b6d2db5d51c37230c93e59fc357ac49679a2b9e1248481f8c2392ed0",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-07-31T07:37:14Z",
    "title_canon_sha256": "430d1864494c2421d3e3225119799583dd7ac72ffe24fc95a7b5b0e6d2b59d79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.15883",
    "kind": "arxiv",
    "version": 2
  }
}