Pith Number

pith:CL5522R5

pith:2020:CL5522R5BSNTSWNBQKDB7PZLJP

not attested not anchored not stored refs pending

Comparing Different Preprocessing Methods in Automated Segmentation of Retinal Vasculature

Alireza Golestaneh, Faraz Kalantari, Meysam Tavakoli

arxiv:2004.11696 v1 · 2020-04-18 · physics.med-ph · eess.IV

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CL5522R5BSNTSWNBQKDB7PZLJP}

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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	2026-07-05T00:57:56.665292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12fbdd6a3d0c9b3959a182861fbf2b4bd50298e3ee6b97a8c825d8c89adf43e4

Aliases

arxiv: 2004.11696 · arxiv_version: 2004.11696v1 · doi: 10.48550/arxiv.2004.11696 · pith_short_12: CL5522R5BSNT · pith_short_16: CL5522R5BSNTSWNB · pith_short_8: CL5522R5

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/CL5522R5BSNTSWNBQKDB7PZLJP \
  | 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: 12fbdd6a3d0c9b3959a182861fbf2b4bd50298e3ee6b97a8c825d8c89adf43e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4626f9eefcfc2c431e84326046a793678e1fb3e6f0a370c2a19ee8d4ec8111e0",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2020-04-18T06:53:58Z",
    "title_canon_sha256": "b9b9645cf03f83bb5c694e8c92280b163b0e3516617a3917dd19ad902f627662"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11696",
    "kind": "arxiv",
    "version": 1
  }
}