Pith Number

pith:GCLK2GH7

pith:2019:GCLK2GH7H4CZK56Q3M4TMKI6Q3

not attested not anchored not stored refs pending

Principal Component Analysis Using Structural Similarity Index for Images

Benyamin Ghojogh, Fakhri Karray, Mark Crowley

arxiv:1908.09287 v1 · 2019-08-25 · eess.IV · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCLK2GH7H4CZK56Q3M4TMKI6Q3}

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	2026-07-04T23:59:38.878634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3096ad18ff3f059577d0db3936291e86e302a9c646d7544711f6927c2e851853

Aliases

arxiv: 1908.09287 · arxiv_version: 1908.09287v1 · doi: 10.48550/arxiv.1908.09287 · pith_short_12: GCLK2GH7H4CZ · pith_short_16: GCLK2GH7H4CZK56Q · pith_short_8: GCLK2GH7

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/GCLK2GH7H4CZK56Q3M4TMKI6Q3 \
  | 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: 3096ad18ff3f059577d0db3936291e86e302a9c646d7544711f6927c2e851853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69efaaab618d810c0195f637b2347572fc381bf90031c2f7354088390e342175",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-08-25T09:18:03Z",
    "title_canon_sha256": "95e81f01bf296e32936d960fe86784d6c688bb83361b06dc396a988bcb393b29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09287",
    "kind": "arxiv",
    "version": 1
  }
}