Pith Number

pith:APYEVV4J

pith:2021:APYEVV4JJBMZ75UUUQBX6MR7BP

not attested not anchored not stored refs pending

Unsupervised Low-Light Image Enhancement via Histogram Equalization Prior

Changxin Gao, Feng Zhang, Kai Zhu, Nong Sang, Yishi Sun, Yuanjie Shao

arxiv:2112.01766 v1 · 2021-12-03 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APYEVV4JJBMZ75UUUQBX6MR7BP}

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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.

Cited by

1 paper in Pith

A Comprehensive Survey on Image Signal Processing Approaches for Low-Illumination Image Enhancement

Receipt and verification

First computed	2026-07-05T03:37:32.020062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03f04ad78948599ff694a4037f323f0bf9e5d1472c7bf680545c9b80c1285ed2

Aliases

arxiv: 2112.01766 · arxiv_version: 2112.01766v1 · doi: 10.48550/arxiv.2112.01766 · pith_short_12: APYEVV4JJBMZ · pith_short_16: APYEVV4JJBMZ75UU · pith_short_8: APYEVV4J

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/APYEVV4JJBMZ75UUUQBX6MR7BP \
  | 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: 03f04ad78948599ff694a4037f323f0bf9e5d1472c7bf680545c9b80c1285ed2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4e0069ee3e126a8ff8bf9b198b69afd036aa93f2d27caf3a0cd952823a7a992",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-03T07:51:08Z",
    "title_canon_sha256": "663f0b4ffe80d07400d3ce5992dd883ee239aa58bd0c6b4735f75d7a3b36e60a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01766",
    "kind": "arxiv",
    "version": 1
  }
}