Pith Number

pith:WGKVCDXT

pith:2022:WGKVCDXTVJPB7LA36BJDZJR553

not attested not anchored not stored refs pending

VAFO-Loss: VAscular Feature Optimised Loss Function for Retinal Artery/Vein Segmentation

An Zhao, Daniel C. Alexander, Moucheng Xu, Pearse A. Keane, Siegfried K. Wagner, Stefano B. Blumberg, Yipeng Hu, Yukun Zhou

arxiv:2203.06425 v1 · 2022-03-12 · 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{WGKVCDXTVJPB7LA36BJDZJR553}

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	2026-07-05T04:13:13.150527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b195510ef3aa5e1fac1bf0523ca63deece00754b5a773a86b6287134089aa50a

Aliases

arxiv: 2203.06425 · arxiv_version: 2203.06425v1 · doi: 10.48550/arxiv.2203.06425 · pith_short_12: WGKVCDXTVJPB · pith_short_16: WGKVCDXTVJPB7LA3 · pith_short_8: WGKVCDXT

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/WGKVCDXTVJPB7LA36BJDZJR553 \
  | 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: b195510ef3aa5e1fac1bf0523ca63deece00754b5a773a86b6287134089aa50a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d78e63ff8bb0b3904ac1a42b3a0a7b0ba8df4113286d0a56340873f62fafa29f",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-03-12T12:40:20Z",
    "title_canon_sha256": "aec7c13851a7d600f6192b303ec071b015ebdf2c3138c62838cb5756d259984c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.06425",
    "kind": "arxiv",
    "version": 1
  }
}