Pith Number

pith:AFAPZZ4A

pith:2018:AFAPZZ4AOPYQHIDQIRYFQZYKFS

not attested not anchored not stored refs pending

Power of Tempospatially Unified Spectral Density for Perceptual Video Quality Assessment

Ghassan AlRegib, Gukyeong Kwon, Mohammed A. Aabed

arxiv:1812.05177 v1 · 2018-12-12 · 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{AFAPZZ4AOPYQHIDQIRYFQZYKFS}

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	2026-05-17T23:58:24.260951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0140fce78073f103a070447058670a2c90bbc5233641fcf1e294697d07f6170f

Aliases

arxiv: 1812.05177 · arxiv_version: 1812.05177v1 · doi: 10.48550/arxiv.1812.05177 · pith_short_12: AFAPZZ4AOPYQ · pith_short_16: AFAPZZ4AOPYQHIDQ · pith_short_8: AFAPZZ4A

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/AFAPZZ4AOPYQHIDQIRYFQZYKFS \
  | 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: 0140fce78073f103a070447058670a2c90bbc5233641fcf1e294697d07f6170f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a03578fe5042fa84c19912ce72d71fc37f6a784a9f813f5c8a19f38fa81a3a56",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-12T22:22:21Z",
    "title_canon_sha256": "9449dcd4beebdbc70bbedbeae39ed996598149a80c1aba197b1133cdba502631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05177",
    "kind": "arxiv",
    "version": 1
  }
}