Pith Number

pith:3U5DVZVD

pith:2021:3U5DVZVD7XPMPLVB5IJCVP7HYN

not attested not anchored not stored refs pending

Convolutional Block Design for Learned Fractional Downsampling

Alan C. Bovik, Chao Chen, Christos G. Bampis, Li-Heng Chen, Zhi Li

arxiv:2105.09999 v1 · 2021-05-20 · 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{3U5DVZVD7XPMPLVB5IJCVP7HYN}

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	2026-07-05T02:42:06.279730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd3a3ae6a3fddec7aea1ea122abfe7c36850f0e6030f7b064909a59a3990e388

Aliases

arxiv: 2105.09999 · arxiv_version: 2105.09999v1 · doi: 10.48550/arxiv.2105.09999 · pith_short_12: 3U5DVZVD7XPM · pith_short_16: 3U5DVZVD7XPMPLVB · pith_short_8: 3U5DVZVD

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/3U5DVZVD7XPMPLVB5IJCVP7HYN \
  | 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: dd3a3ae6a3fddec7aea1ea122abfe7c36850f0e6030f7b064909a59a3990e388

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a49d0e6f120239eb11365e1f494fb053f4d4ed5a82248753cc6c18cc971f2274",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-05-20T19:24:28Z",
    "title_canon_sha256": "078256c9a6eb7340d3667ec7cee070b1740e4476e5b7f2460078d0e80b547574"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09999",
    "kind": "arxiv",
    "version": 1
  }
}