Pith Number

pith:GR5KSBTR

pith:2015:GR5KSBTRIBASWWRJWZNA7M2CQ4

not attested not anchored not stored refs pending

A comparative study between proposed Hyper Kurtosis based Modified Duo-Histogram Equalization (HKMDHE) and Contrast Limited Adaptive Histogram Equalization (CLAHE) for Contrast Enhancement Purpose of Low Contrast Human Brain CT scan images

Nirmalya Ghosh, Prasanta K. Panigrahi, Ritwik Burman, Sabyasachi Mukhopadhyay, Satyasaran Changdar, Sawon Pratiher, Soham Mandal

arxiv:1505.06219 v1 · 2015-04-07 · 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{GR5KSBTRIBASWWRJWZNA7M2CQ4}

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	2026-05-18T02:03:47.922856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

347aa9067140412b5a29b65a0fb342871c1822f5c1fda0ed2126ce90e55dae62

Aliases

arxiv: 1505.06219 · arxiv_version: 1505.06219v1 · doi: 10.48550/arxiv.1505.06219 · pith_short_12: GR5KSBTRIBAS · pith_short_16: GR5KSBTRIBASWWRJ · pith_short_8: GR5KSBTR

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/GR5KSBTRIBASWWRJWZNA7M2CQ4 \
  | 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: 347aa9067140412b5a29b65a0fb342871c1822f5c1fda0ed2126ce90e55dae62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07cf47ee550ac8ce55ab86fd03a79c470a1ad70c0f5177e7f6b8220d6aced428",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-04-07T01:26:06Z",
    "title_canon_sha256": "35cb7aaafce560657bbf45560726334ebd1a6feb1fd41cc782550ece366deedd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06219",
    "kind": "arxiv",
    "version": 1
  }
}