Pith Number

pith:GTIK7FVW

pith:2019:GTIK7FVWAGP6EQBFLZ7DE2JWIY

not attested not anchored not stored refs pending

Compressed Image Quality Assessment Based on Saak Features

C.-C. Jay Kuo, Sam Kwong, Xinfeng Zhang

arxiv:1905.02001 v2 · 2019-05-06 · eess.IV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTIK7FVWAGP6EQBFLZ7DE2JWIY}

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	2026-05-17T23:46:03.030623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34d0af96b6019fe240255e7e326936462c06b082d7021c48b78f53c151ccc1cc

Aliases

arxiv: 1905.02001 · arxiv_version: 1905.02001v2 · doi: 10.48550/arxiv.1905.02001 · pith_short_12: GTIK7FVWAGP6 · pith_short_16: GTIK7FVWAGP6EQBF · pith_short_8: GTIK7FVW

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/GTIK7FVWAGP6EQBFLZ7DE2JWIY \
  | 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: 34d0af96b6019fe240255e7e326936462c06b082d7021c48b78f53c151ccc1cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8850fd2284a8dfbb6445fd3b9bc6aa0adb69ca7d8e059ea4e49d789c55322418",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-05-06T12:49:13Z",
    "title_canon_sha256": "7e9b9d351b2d74ac63b5affcf8d8c24c14324efc095126573245737b6372eb60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02001",
    "kind": "arxiv",
    "version": 2
  }
}