Pith Number

pith:3YBOBCPU

pith:2024:3YBOBCPU6JYDOAYIR4A7WYBZXZ

not attested not anchored not stored refs pending

Reference-Free Image Quality Metric for Degradation and Reconstruction Artifacts

Alfredo De Goyeneche, Boyuan Ma, Efrat Shimron, Han Cui, Michael Lustig

arxiv:2405.02208 v1 · 2024-05-01 · 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{3YBOBCPU6JYDOAYIR4A7WYBZXZ}

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	2026-07-05T08:15:08.313698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de02e089f4f2703703088f01fb6039be4f2fc4532362e915990f6eb7a2fae421

Aliases

arxiv: 2405.02208 · arxiv_version: 2405.02208v1 · doi: 10.48550/arxiv.2405.02208 · pith_short_12: 3YBOBCPU6JYD · pith_short_16: 3YBOBCPU6JYDOAYI · pith_short_8: 3YBOBCPU

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/3YBOBCPU6JYDOAYIR4A7WYBZXZ \
  | 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: de02e089f4f2703703088f01fb6039be4f2fc4532362e915990f6eb7a2fae421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7fcab374c61582402662134a791669b1f370777f54d2ae5190bce40d130e71f",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2024-05-01T22:28:18Z",
    "title_canon_sha256": "1ba2edcf531a6ba5210084946584cc25e6b6a8a52588fc2d4f58264eef49e1f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.02208",
    "kind": "arxiv",
    "version": 1
  }
}