Pith Number

pith:XDE7FHC7

pith:2020:XDE7FHC7LXVVB4QDBBXTA4O6RJ

not attested not anchored not stored refs pending

Quantization Guided JPEG Artifact Correction

Abhinav Shrivastava, Larry Davis, Max Ehrlich, Ser-Nam Lim

arxiv:2004.09320 v2 · 2020-04-17 · eess.IV · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDE7FHC7LXVVB4QDBBXTA4O6RJ}

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	2026-07-05T01:19:39.447035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8c9f29c5f5deb50f203086f3071de8a7671d0419fde1e67f86007e3716e42fd

Aliases

arxiv: 2004.09320 · arxiv_version: 2004.09320v2 · doi: 10.48550/arxiv.2004.09320 · pith_short_12: XDE7FHC7LXVV · pith_short_16: XDE7FHC7LXVVB4QD · pith_short_8: XDE7FHC7

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/XDE7FHC7LXVVB4QDBBXTA4O6RJ \
  | 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: b8c9f29c5f5deb50f203086f3071de8a7671d0419fde1e67f86007e3716e42fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6a4913044193ed39e0ff8e4c187e7099db4dd90071c3918574403ce0e3c4fa3",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-04-17T00:10:08Z",
    "title_canon_sha256": "f10e6b49e31076f29fc8f4604cc88ff22c3c1f72d3fe36b328163f05483e440e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09320",
    "kind": "arxiv",
    "version": 2
  }
}