Pith Number

pith:CH67B2RL

pith:2007:CH67B2RL6OD5KDE2ISTX2OWXXI

not attested not anchored not stored refs pending

HEBS: Histogram Equalization for Backlight Scaling

Ali Iranli, Hanif Fatemi, Massoud Pedram

arxiv:0710.4710 v1 · 2007-10-25 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CH67B2RL6OD5KDE2ISTX2OWXXI}

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	2026-05-18T04:09:05.774509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11fdf0ea2bf387d50c9a44a77d3ad7ba2b3940d9a9c4ca0c866af6f70ae77528

Aliases

arxiv: 0710.4710 · arxiv_version: 0710.4710v1 · doi: 10.48550/arxiv.0710.4710 · pith_short_12: CH67B2RL6OD5 · pith_short_16: CH67B2RL6OD5KDE2 · pith_short_8: CH67B2RL

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/CH67B2RL6OD5KDE2ISTX2OWXXI \
  | 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: 11fdf0ea2bf387d50c9a44a77d3ad7ba2b3940d9a9c4ca0c866af6f70ae77528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0677441a42c6fb2f0c0a65d7044968b0210221f127faa2a90286cca7b41a7503",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.OH",
    "submitted_at": "2007-10-25T09:31:41Z",
    "title_canon_sha256": "8e3960da44e5871a5300adf46db6f447fad8c314be353dee04601c11ce6d77f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.4710",
    "kind": "arxiv",
    "version": 1
  }
}