Pith Number

pith:EVZWTGLR

pith:2024:EVZWTGLRGLHZQEBSUMGJDVXDIN

not attested not anchored not stored refs pending

Hierarchical Frequency-based Upsampling and Refining for Compressed Video Quality Enhancement

Bolun Zheng, Canjin Wang, Chengang Yan, Qianyu Zhang, Quan Chen, Xinying Chen, Zhunjie Zhu, Zongpeng Li

arxiv:2403.11556 v1 · 2024-03-18 · eess.IV · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EVZWTGLRGLHZQEBSUMGJDVXDIN}

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	2026-07-05T07:57:18.284541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

257369997132cf981032a30c91d6e343479ea56cd39f0fcd3f395351ee6480db

Aliases

arxiv: 2403.11556 · arxiv_version: 2403.11556v1 · doi: 10.48550/arxiv.2403.11556 · pith_short_12: EVZWTGLRGLHZ · pith_short_16: EVZWTGLRGLHZQEBS · pith_short_8: EVZWTGLR

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/EVZWTGLRGLHZQEBSUMGJDVXDIN \
  | 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: 257369997132cf981032a30c91d6e343479ea56cd39f0fcd3f395351ee6480db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "637d0aab52d3e569b096e734638aaa625679c4958cfd3e8004ceb6d8535f497d",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2024-03-18T08:13:26Z",
    "title_canon_sha256": "32c21e732e5c43038f2c953ccc7e73d65fe5955a2bebb72772edbab59c5fa36f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.11556",
    "kind": "arxiv",
    "version": 1
  }
}