Pith Number

pith:4I5FNNXR

pith:2021:4I5FNNXRX6W5PNKLP4URR7FZ7B

not attested not anchored not stored refs pending

Quality and Complexity Assessment of Learning-Based Image Compression Solutions

Brunno Abreu, Jo\~ao Dick, Mateus Grellert, Sergio Bampi

arxiv:2107.09136 v1 · 2021-07-19 · 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{4I5FNNXRX6W5PNKLP4URR7FZ7B}

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	2026-07-05T02:59:26.361725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e23a56b6f1bfadd7b54b7f2918fcb9f858c8f13d5d5d6b66af6531ceea89ee72

Aliases

arxiv: 2107.09136 · arxiv_version: 2107.09136v1 · doi: 10.48550/arxiv.2107.09136 · pith_short_12: 4I5FNNXRX6W5 · pith_short_16: 4I5FNNXRX6W5PNKL · pith_short_8: 4I5FNNXR

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/4I5FNNXRX6W5PNKLP4URR7FZ7B \
  | 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: e23a56b6f1bfadd7b54b7f2918fcb9f858c8f13d5d5d6b66af6531ceea89ee72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "644b5f8a81f4b7f9fd34e0034e979695d2e34df9a21a9e4e7f98a2cc8d172319",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-07-19T20:20:38Z",
    "title_canon_sha256": "c4eff9e1b6fd771a649b4c082aa8c3fb1e12a4703079d88bae54f8b008748b1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09136",
    "kind": "arxiv",
    "version": 1
  }
}