Pith Number

pith:7NOA7IHQ

pith:2018:7NOA7IHQJFM42T7LWI6V4DSJWP

not attested not anchored not stored refs pending

A Retinex-based Image Enhancement Scheme with Noise Aware Shadow-up Function

Chien Cheng Chien, Hitoshi Kiya, Sayaka Shiota, Yuma Kinoshita

arxiv:1811.03280 v1 · 2018-11-08 · 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{7NOA7IHQJFM42T7LWI6V4DSJWP}

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	2026-05-18T00:01:17.052998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb5c0fa0f04959cd4febb23d5e0e49b3d0eb6dc3010668f24260b760217b6ee2

Aliases

arxiv: 1811.03280 · arxiv_version: 1811.03280v1 · doi: 10.48550/arxiv.1811.03280 · pith_short_12: 7NOA7IHQJFM4 · pith_short_16: 7NOA7IHQJFM42T7L · pith_short_8: 7NOA7IHQ

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/7NOA7IHQJFM42T7LWI6V4DSJWP \
  | 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: fb5c0fa0f04959cd4febb23d5e0e49b3d0eb6dc3010668f24260b760217b6ee2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d371bc2b8f252c16ccd4be9f4fd7b2de998ded12d91de761e534f9299ab89f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-08T05:35:02Z",
    "title_canon_sha256": "573c7ff767bddc114ba7dcdd83f5986f4925f032b04cf47da495d4f6f0599a14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03280",
    "kind": "arxiv",
    "version": 1
  }
}