Pith Number

pith:GN2TD5ED

pith:2026:GN2TD5EDITCANU333BH6ZNJPJP

not attested not anchored not stored refs pending

Luminosity-Adaptive Contrast Enhancement Using CLAHE for Retinal Fundus Images with Quantitative Validation and Comparative Analysis

K. Mithra, Prem Kumar Santhanam

arxiv:2607.17691 v1 · 2026-07-20 · eess.IV · cs.CV · cs.ET

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GN2TD5EDITCANU333BH6ZNJPJP}

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	2026-07-21T02:21:54.888900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

337531f48344c406d37bd84fecb52f4bd5fb188963efa7975914b205308f8be2

Aliases

arxiv: 2607.17691 · arxiv_version: 2607.17691v1 · doi: 10.48550/arxiv.2607.17691 · pith_short_12: GN2TD5EDITCA · pith_short_16: GN2TD5EDITCANU33 · pith_short_8: GN2TD5ED

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/GN2TD5EDITCANU333BH6ZNJPJP \
  | 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: 337531f48344c406d37bd84fecb52f4bd5fb188963efa7975914b205308f8be2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d89e92e17fe3eca93e00f6a87e352b43443031e0eb264dd6b25144f4d1ddbd1d",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.ET"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-07-20T08:39:13Z",
    "title_canon_sha256": "211dce4bf41271b6b270df2002ad9fe74eba8ff710da149c020e600e036239be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17691",
    "kind": "arxiv",
    "version": 1
  }
}